Anatomy Lecture Exam 2 Fun fact / ICS

Which statement best describes the relationship of structures in the femoral triangle? (A) the femoral vein lies medial to the femoral artery B) the femoral artery is lateral to the femoral nerve C) the femoral vein is within the femoral canal D) the femoral artery is medial to the femoral vein E) the femoral nerve is medial to the femoral artery

(A) the femoral vein lies medial to the femoral artery

An unskilled nurse placed an intramuscular injection to the posterior part of the gluteal region to a 35-year-old patient. The needle injured a motor nerve in the area. Laler. he had difficulty rising to a standing position from a seated position. Which muscle is most likely affected by the injury? A: gluteus maximus B: gluteus medius C: obturator internus D: hamstrings E: iliopsoas

A. Gluteus Maximus

A 44-year-old man complains of shooting pain in the lateral aspect of his right. thigh that worsens with sitting and coughing. He also has some numbness in the area. The physician tests sensation over the area of distribution of the lateral cutaneous nerve of thigh. Which of the following nerve roots is being tested? A)L2 and L3 B) L1 and L2 C) L4 and L5 D) S1 and S2 E) S3 and S4

A. L2 and L3

A 44-year-old man was involved in a road traffic accident and suffers compression of a nerve that passes through the obtur foramen. Which of the following functions would be most affected in this patient? A) Abduction of the leg (B) Adduction of the thigh C) Abduction of the thigh D) Flexion of the thigh E) Extension of the thigh

B. Addiction of the thigh

The opening of the penis is on top in this: A. Hydrocele of the testes B. Epispadia C. Hyospadioss

B. Epispadia (the cause for this is unknown)

Difficulty in flexing the thigh, which nerve is damaged? A) Sciatic nerve B) Femoral nerve C) Superior gluteal nerve D) Inferior gluteal nerve E) Obturator nerve

B. Femoral Nerve

The scrotum in the male is developmentally homologous to which structure in the female? A. Clitoris B. Labia majors C. Labia minora D. Mesovarium

B. Labia majors

What is the middle layer of the uterine wall called? A. Mesometrium B. Myometrium C. Mesosalpinx D. Endometrium E. Peritonium

B. Myometrium

What structure of the knee is described? Prevents posterior dsplacementand/hasmetaliohatedlatenmemnionte A. Medial meniscus B. Posterior Cruciate Ligament C. Lateral Collateral Ligament D. Anterior Cruciate Ligament E. Medial Collateral Ligament

B. Posterior Cruciate Ligment

A patient is suffering from recurrent ischialgia. The sciatic nerve is noticed to be incarcerated in the infrapiriformis foramen. What structure defines the inferior border of the foramen. A) Pectineus muscle B) Sacrospinal ligament C) Piriformis muscle D) Sacro-tuberous Ligament E) Inguinal ligament

B. Sacrospinal Ligament

Within which extraembryonic membrane are blood cells formed in the early stages of development? A. Chorion B. Allantois C. Amnion D. Yolk Sac

D.

In a patient claw is associated with? drop wrist is associated with?

Claw - ulnar artery Drop wrist- radial artery

A 54 year old female refers loss of sensation over the lateral aspect of her forearm after shoulder surgery. After the physical exam, you suspect that the lateral cutaneous nerve of the forearm is the one affected, which is a branch of the: A. median nerve B. radial nerve C. ulnar nerve D. musculocutaneous nerve E. axillary nerve

D. musculocutaneous nerve

What anatomical space exits both in males and females? (He accepted two answers) A. Vessico-uterine pouch B. Rectouterine pouch C. Retropubic D. Retrovessical pouch

C,D

Select the correct options below for the embryonic contribution to the female uterus and vagina. (More than one answer is correct) A. Wolffian duct B. Utereric duct C. Müllerian duct D. Paramesonephric duct E. Urogwnital sinus

C,D,E C and D= upper 1/3 of vagina E= lower 2/3 of vagina

A 34-year-old male presents to the clinic with back pain afte dragging a heavy box. The pain was in the right posterior thig and posterior calf extending down to the foot. Examination shows symmetrical knee reflexes, but the ankle jerk reflex is diminished on the right. Which of the following nerve roots is most likely affected in this patient? A) L2 B) L3 C) L4 D) L5 (E) S1

E. S1

When assessing the brachial pulse at the cubital fossa, one must keep in mind that the brachial artery lies just medially next to the following structure. A. radial n. B. ulnar n C. bicipital aponeurosis D. brachialis tendon E. biceps brachii tendon

E. biceps brachii tendon TAN (tendon of biceps brachii, brachial artery, median nerve)

A physician tests the patellar tendon reflex. Anormal response of the involuntary contraction of the quadriceps femors muscle is noted. This reflex confirms the integrity of what nerve? A) Tibial nerve B)Deep fibular nerve C)Superficial fibular nerve D) Obturator nerve E) Femoral nerve

E. femoral nerve

Deep palmar arch is supplied by?

Radial artery

Superficial palmar arch is supplied by?

Ulnar artery

what muscles are innervated by the median nerve?

all pollicis muscles except the deep head of the flexor pollicis and adductor pollicis 1st and 2nd lumbricals muscles

what muscles are innervated by the ulnar nerve?

flexor pollicis, deep head adductor pollicis all digiti minimi 3rd and 4th lumbricals all interosseous

A patients presents in your clinic with the complain of instability of gait. While Walking, he is pressing on the distal end of the thigh to prevent unintentional flexion of the knee You suspect a paralyzed quadriceps muscle. Which of the following will be observed in this patient? A) patient cannot invert the foot against resistance B) patient cannot extend the thigh against resistance C) patient cannot extend the foot against resistance (D) patient cannot extend the leg against resistance E) patient cannot abduct the thigh against resistance

(D) patient cannot extend the leg against resistance

Name the components of the femoral canal, working laterally to medially. A. Femoral artery, lymphatics/lacunar ligament, Femoral nerve, Femoral vein, empty space B. Empty space, Femoral vein, Femoral artery, Femoral nerve, lymphatics/lacunar ligament C. Lymphatics/lacunar ligament, empty space, femoral artery, femoral nerve, femoral vein D. Femoral nerve, femoral artery, femoral vein, empty space, lymphatics/ Lacunar ligament

(D.) Femoral nerve, femoral artery, femoral vein, empty space, lymphatics/lacunar ligament

Median Nerve is responsible for what THREE movements?

-Abduction -Flexion -Opposition

During a fight if stabbed between index and thumb anteriorly, what is damaged ? -if posteriorly what is damaged?

-Adductor pollucis -1st interosseous muscle

What nerve and vein are associated with the brachial artery? *VAN

-Basilic vein -Median nerve

If a patient cuts their wrist what branch of the median nerve is NOT affected?

-Collateral branches

What tissue surrounds the urethra?

-Corpus spongiosum

Damage to the lateral thoracic directly related to ?

-Dorsal scapula

If a patient is experiencing carpal tunnel what is affected?

-Median nerve

Interosseous muscle is supplied by?

-Median nerve

If a humeral fracture occurs at the medial condyle what is affected ?

-Superior ulnar collateral ligament

Median nerve control what fingers?

-Thumb -index -middle

If you are on CRUTCHES what is affected ?

-axillary

If the head of femur is damaged what is affected?

-branch of axillary

Gluteus maximus main function is?

-function for standing

Teres minor performs what moevment?

-lateral rotation

Infraspinatus performs what movement?

-lateral rotation and abduction

If the neck of femur is fractured what is affected?

-medial humeral circumflex artery

Subsacpularis performs what movement ?

-medial rotation

Radial nerve damage affects what 3 main areas?

-mid shaft -deep brachial artery -lateral artery

Ulnar nerve controls what fingers?

-ring finger -pinky finger

If the femur is posteriorly dislocated what's is affected?

-sciatic nerve

Gluteus maximus is supplied by? main function?

-superior gluteal artery -function for walking

Damage to the long thoracic nerve leads to?

-winged scapula

Select the correct options below describing aspects of gonad development? 1. Testis cortical and ovary medullary 2. ovary cortical and testis medullary 3. prenatal meiosis in the ovary germ cells 4. prenatal meiosis in the testis germ cells 5. prenatal mitosis in the ovary germ cells

2

The sequential development of the genital system can best be described as: 1. internal and external genital tract dependent upon primordial germ cell hormone secretion 2. gonadal differentiation and hormone secretion determining internal then eternal tact development 3. mesonephric duct hormone secretion forming genital ridge then internal and external tract development 4. internal tract determining gonadal then hormone secretion for external tract development 5. paramesonephric duct forming genital ridge then hormone secretion for internal and external tract development

2

Identified the structure labeled with the blue star 1. Hamate 2. Trapezium 3. Scaphoid 4. Capitate

3

A 60-year-old man was diagnosed wilh a carcinoma of the prostate gland. After radical prostatectomy, he is incapable of achieving an erection. Which of the following nerves was most likely injured during the surgery? A. lliohypogastric B. Genital branch of genitofemoral nerve C. llioinguinal D. Femoral branch of genito femotal E. Pudendal

A

A YOUNG FEMALE IS BEING EVALUATED FOR INFERTILITY. A HYSTEROGRAM IS OBTAINED AS PART OF COMPREHENSIVE EVALUATION. WHICH OF THE FOLLOWING PROCESSES FAILED IN THIS PATIENT? A. Fusion would paramesonephric duct B. Fusion of the mesonephric duct C. Differentiation of the mesonephric tubules D. Involution of the paramesonephric ducts E. Fusion of the urethral folds

A

A72-year-old woman is admitted to the hospital with a painful right fool. A CT scan examination reveals a thrombotic occlusion of the femoral artery in the proximal part of the adductor canal. Which artery will most likely provide blood supply to the leg through the genicular anastomosis? A)A B) B C) C D) D E)E

A

Paresthesia of the region with blue color is associated to damage or laceration of the A. Ulnar nerve B. Median nerve C. Radial nerve D. Brachial nerve

A

The greater vestibular glands (Bartholin/are found in the: A. Superficial perineal pouch B. Deep perineal pouch C. Pelvic ioor D. Dorsal to the clitoris

A

The image is the clinical expression of the damage or laceration of the A. Ulnar nerve B. Median nerve C. Radial nerve D. Brachial nerve

A

The intervillous space of the placenta contains (A) maternal blood ipecialila (B). fetal blood (C). maternal and fetal blood (D). amniotic fluid (E). maternal blood and amniotic fluid

A

The portion of the placenta contributed by the embryo is the A) chorion B) allantois C) amnion D) yolk sac

A

Which of the following structures is not part of the male superficial perineal pouch? A. Bulbourethral glands b. Proximal part of spongy urethra C. Root (crura and bulb) of the penis d. Ischiocavernous muscle

A

A 19-year-old male was celebrating during a new year's eve block party, He suddenly felt something enter his right neck and started bleeding. Al the hospital, they concluded that he got hit by a lost bullet. Neurological evaluation confirmed some damage to roots C5 and C6 in the right side of the neck. The patient had an adducted right arm, with an extended elbow and pronated forearm. Knowing that, what sensory deficit would you expect in the upper

A (musculocutaneous)

An embryo that is genetically male (46, XY) but lacks the receptors required to respond to testosterone will usually have: A. A vaginal opening, but NOT a uterus B. Oviducts C. Ovaries D. Normal genitalia

A. A vaginal opening, but NOT a uterus Explaination: the person has external male features, but without testosterone, the external features of a male do not form

The term used for testes that don't descend: A. Cyrptorchidism B. Hydrocele of the testes C. Bifid scrotum

A. Cyrptorchidism

What muscle laterally rotates the femur to unlock the knee? A. Popliteus B. Biceps Femoris C. Adductor Magnus D. Gracilis

A. Popliteus

A34-year-old female developed difficulty walking. On examination, he was leaning to the right while walking. When asked to stand on one foot, his right hip tilts downwards. Which of the following nerves is most likely injured in this patient? (A) Superior gluteal B) Inferior gluteal C) Obturator D) Femoral E) Sciatic

A. Superior Gluteal

The main arterial supply to the gluteus medius and minimus muscle is A. Superior gluteal artery B) Inferior gluteal artery C) Obturator artery D)Medial circumflex femoral artery E) superficial external pudendal artery

A. Superior gluteal artery

During a surgical removal of the uterus (hysterectomy), care must be taken when lighting the uterine vessels. Which of the following structures crosses them posteriorly? A. Ureter B. Ovary C. Urinary bladder D. Ovarian artery E. Cervix of uterus

A. Ureter

The lower end of the Mesonephric duct branches to form the: A. Ureteric bud B. Uterus bud C. Urethral bud D. Gonadal bud E. Paramesonephric duct

A. Ureteric bud

A 10 year old is hospitalized with a hand infection (cellulitis) that started last week. The infection has started to spread proximally to the arm using the venous circulation. Which of the following veins would be key for this infection to spread to the medial arm? A. basilic v. B. cephalic v. C. median cubital v. D. perforating v.

A. basilic v.

A 55 year old diabetic female punctures her skin on the medial side of her wrist while gardening on a spiny bush. A few days later, an infection is seen spreading up the medial side of her arm along the large cutaneous vein extending from the dorsum of her hand to the medial side of her arm. The vein involved is the: A. basilic vein B. cephalic vein C. median cubital vein D. ulnar vein E. brachial vein

A. basilic vein

If the medial epicondyle of the humerus is fractured and the nerve passing dorsal to it is injured, which muscle would be most affected? A. flexor carpi ulnaris B. extensor digitorum C. extensor carpi ulnaris D. flexor digitorum profundus E. flexor digitorum superficialis

A. flexor carpi ulnaris

A 4 year old boy comes to the ER severely dehydrated. The pediatrician in charge asks you to withdraw a blood sample. The first vein of choice would be the: A. median cubital vein. B. basilic vein C. median antebrachial vein D. cephalic vein

A. median cubital vein.

The pain in carpal tunnel syndrome is given by compression of the following nerve? A. median nerve B. cubital nerve C. brachial nerve D. radial nerve

A. median nerve

A gang member would had a deep cut to the antecubital region where the median nerve was completely cut. Would you expect his to retain some finger flexion function in the injured upper limb? A. yes B. no

A. yes

During a football game, a 20-year-old wide receiver was illegally blocked by a linebacker, who threw himself against the posterolateral aspect of the runner's legs. The wide receiver grasped his knees and was in obvious pain. The teams's physician suspects an unhappy triad. Which of the following knee structure is involved in this lesion and usually prevents hyperextension of the knee? A: anterior cruciate ligament B: tibial collateral ligament C: posterior cruciate ligament D: oblique popliteal ligament E: posterior meniscofemoral ligament

A: anterior cruciate ligament foward (extend) ACL

A 34-year-old woman in week 32 of a complication-free pregnancy is rushed to the emergency department because of profuse vaginal bleeding. The bleeding subsides, but afterward no fetal heart sounds can be heard, indicating intrauterine fetal death. The woman goes into labor and delivers a stillborn infant. On examination of the afterbirth, a velamentous placenta is detected. Although not much can be done at this point, what is the diagnosis? • (A). Placenta previa • (B). Vasa previa • (C). Hydatidiform mole • (D). Premature rupture of the amniochorionic membrane • (E). Amniotic band syndrome

B

A young insulin-dependent diabetic woman in her first pregnancy is concerned that her daily injection of insulin will cause a congenital malformation in her baby. What should the physician tell her? (A). Insulin is highly teratogenic; discontinue treatment (B) Insulin does not cross the placental membrane (C). Insulin crosses the placental membrane but is degraded rapidly (D). Insulin will benefit her baby by increasing glucose metabolism (E). Insulin crosses the placental membrane but is not teratogenic

B

During the development of the placenta: A. cytotrophoblast cells divide and their progeny fuse to form syncytiotrophoblast cells. B. syncytiotrophoblast cells invade the uterine wall. C. fetal blood vessels attach directly to maternal vessels such that there is mixing of fetal and maternal blood. D. the placenta develops from the chorionic plate. E. most of the placenta is derived from embryonic intermediate mesoderm.

B

During the fourth month of pregnancy, a woman complains about dragging pain in the womb. The gynecologist explains that the pain arises from the stretching of the ligaments of the uterus. Which ligament supports the anteversion of the uterus, enters the pelvis through the deep inguinal ring (anulus inguinalis profundus) and can lead to the described pain during pregnancy? A. Medial Pubovessical Ligament B. Round Ligament of the uterus C. Proper Ovarian ligament D. Broad ligament of the uterus E. Uterosacral ligament

B

The 4 cellular layers separating maternal and fetal blood in sequence are: A. spiral artery wall, Nichbaur layer, cytotrophoblast and Hofbaur layer B. syncitiotrophoblast, cytotrophoblast, villi connective tissue and fetal capillary endothelium C. maternal lacuna, trophoblast layer, endothelial and fetal red blood cell D. fetal capillary endothelium, villi connective tissue, cytotrophoblast and syncitiotrophoblast

B

The image is the clinical expression of the damage or laceration of the A Ulnar nerve B Median nerve C. Radial nerve D. Brachial nerve

B

Which membrane plays the greatest role in nutrient and wastes exchanges? A. Amnion B. chorion C. Allantois D. Yolk Sac

B

Which of the following muscles has dual innervation by the tibial and obturator nerve? A A B)B C)C D) D E) E

B

Which of the following muscles is not part of the pelvic floor (Diaphragm)? levator ani m. a. Puborectalis muscle b. Piriformis muscle C. Pubococcygeus muscle d. lliococcygeus muscle

B

Which segment of the fallopian tube is where fertilization occurs? a. Uterine part b. Isthmus c. Ampulla d. Infundibulum

B

If the musculocutaneous nerve is injured at its origin on the brachial plexus. Flexion at the elbow would be greatly weakened, but not abolished. What muscle remains operative that can contribute to flexion of the elbow? A. brachialis B. brachioradialis C. coracobrachialis D. long head of ticeps E. short head of triceps

B. brachioradialis

A student from the nursing department decided to withdraw a blood sample from the median cubital vein of a patient. The needle passed slightly medial and deep to it. Which nerve might possibly be injured at this location? A. superficial radial nerve B. medial cutaneous nerve of arm C. lateral cutaneous nerve of the forearm D. posterior cutaneous nerve of the forearm E. dorsal ulnar cutaneous nerve

B. medial cutaneous nerve of arm

A gang member who was involved in a street fight got a deep knife cut at the antecubital region (anterior elbow). After neurological evaluation, it was determined that the median nerve was completely cut. Would you expect his wrist flexion to be completely lost? A. yes (median and ulnar: motor for flexors) B. no (brachial artery for anterior arm)

B. no (brachial artery for anterior arm)

A multiple sclerosis (MS) patient recently had a new flare of the disease. Following this, it is evident that she is having weak extension of her 2nd digit in the right hand. Which of the following nerves was most likely the target of this last MS episode? A. anterior interosseous n. B. superficial branch of radial n. C. median n. D. ulnar n. E. posterior interosseous n.

B. superficial branch of radial n.

A painter suddenly lost his balance and fell from the ladder he was using. His left elbow and distal arm was deformed and very painful. At the emergency room, after the X-rays were done, they diagnosed a humeral fracture at the level of medial epicondyle. Besides the expected ulnar nerve lesion, what blood vessel could also be damaged? A. profunda brachii a. B. superior ulnar collateral a. C. posterior humeral circumflex a. D. inferior ulnar collateral a. E. radial a.

B. superior ulnar collateral a. branch of brachial running posterior to the medial epicondyle

A 60 year old diabetic female has been complaining of right forearm pain for the last 2 days. The pain is felt worse upon extension of the wrist. An angiography was done and revealed thrombosis (blood clot) in the posterior interosseous artery. Which of the following major forearm arteries gives rise to the affected vessel? A. radial a. B. ulnar a. C. recurrent radial a. D. profunda brachii a. E. superior ulnar collateral a.

B. ulnar a. branch of the posterior interosseous

What is your diagnosis?

Broken radial head

A 36-year-old pregnant woman experiences repeated episodes of bright red vaginal bleeding at week 28, week 32, and week 34 of pregnancy. The bleeding spontaneously subsided each time. Use of ultrasound shows that the placenta is located in the lower right portion of the uterus over the internal os. What is the diagnosis? • (A). Hydatidiform mole • (B). Vasa previa • ((C). Placenta previa • (D). Placental abruption • (E). Premature rupture of the amniochorionic membrane

C

A. Ulnar head B. Styloid process of Radius C. Radial head D. Olecranon E. Radial tuberosity

C

Epithelial linings of the digestive tract, respiratory tract, urinary bladder, and urethra all form from the layer of the gastrula A. Ectoderm B. Mesoderm C. Endoderm D. Chorionic Villi

C

Most sebaceous glands develop as: a. Downgrowth of the stratum germinativum b. Thickened areas of the epidermis c. Buds from the sides of the hair follicle d. Downgrowth from the surface ectoderm e. Ingrowth along the glandular ridges

C

Regarding the internal anal sphincter, which of the following is correct a. Deep, superficial and subcutaneous muscles b. Voluntary c. Innervated by parasympathetic nerves d. Inferior two thirds of anal canal

C

The Deep (investing) fascia is labeled as letter

C

The ectoderm is a derivate from the: A. Hypoblast B. Mesoderm C. Epiblast D. Somite E. Sclerotome

C

The membranous deep (Colles) fascia of the perineum continue to abdomen as: a. Camper's fascia b. Ischiocavernous fascia C. Scarpa's fascia d. Deep (Buck) fascia of penis

C

Which hormone prevents a second pregnancy during gestation? A) FSH B) LH C) progesterone D) HCG

C

Which of the following is correct below the pectinate (dentate) line? A. Is also known as the hindgut B. Irrigated by superior rectal artery C. Lymphatic drainage is to the superficial inguinal lymph nodes D. Innervated by the hypogastric plexus (autonomic)

C

Which of the following is derived from Endoderm? A. Endoneural fibroblasts and Schwann cells of peripheral nerves B. endothelial lining of blood vessels meso C. epithelial lining of the respiratory tract D. cells lining the amniotic membrane E. cytotrophoblast placental cells

C

A 15-year-old boy was stabbed during a gang fight resulting in transection of the obturator nerve. Which d the following muscles is completely paralyzed? A. Pectineus B. Adductor magnus C. Adductor longus D. Biceps femoris E.Semimembranosus

C. Adductor Longus

Which nerves arise from the coccygeal plexus and supply the area of skin between the tip of the coccyx and the anus? A. Posterior femoral cutaneous nerve B. Inferior gluteal C. Anococcygeal nerve D. Nerve to o trust or inter us muscle E. Superior gluteal

C. Anococcygeal nerve

The relative movement of organs with the peritoneal cavity can be best described as: A. Descent of the adrenal glands and gonads B. Ascent of the glands and genital tubercle C. Ascent of the kidneys and descent of the gonads D. Descent of the kidneys and adrenal glands E. None of the above

C. Ascent of the kidneys and descent of the gonads

Lateral malleolus of the ankle is given by A. Tibia B. Femur C. Fibula D. Calcaneus

C. Calcaneus

After spending 2 days moving heavy furniture out of her house, a 56-year-old woman goes to an emergency room in acute pain. The patient reports nausea, vomiting, and severe abdominal pain. On examination, the doctor discovers a painful, globular mass located inferior and lateral to the pubic tubercle. Given her presentation and history, what is the most likely diagnosis? A) Indirect inguinal hernia B) Direct inguinal hernia C) Femoral Hernia Lymphadenitis of superficial inguinal nodes E) Fractured hip

C. Femoral Hernia

The condition known as female psuedointersexuality: A. Occurs in genetically male (46, XY) individuals B. Is characterized by the presence of feminized external genitalia C. Is commonly caused by congenital adrenal hyperplasia D. Paramesonephric duct regression

C. Is commonly caused by congenital adrenal hyperplasia Explaination: the excessive androgen production leads to testosterone production, resulting in male external genitalia

The ventral aspect and raphe of the penis in the male is developmentally homologous to which structure in the female? A. Clitoris B. Labia majora C. Labia minor D. Perineal body E. Mons pubis

C. Labia minor

Select the correct options below for the embryonic contribution to the female uterus and vagina: A. Wolffian duct (Mesonephric ducts) B. Utereric duct C. Müllerian duct (Paramesonephric ducts) D. Urogenital sinus

C. Müllerian duct (Paramesonephric ducts)

Sex determination occurs initially through the SRY transcription factor acting on: A. Primordial germ cells B. Anterior pituitary C. Testes support cells D. Ovary support cells E. Mesonephric duct cells

C. Testes support cells

A 5-year-old boy was admitted for sepsis. An intramuscular injection was given at the gluteal region. Which quadrant should the injection be given, and which nerve is the most commonly injured by misplaced injection to the gluteal region? A) Lower outer region, sciatic nerve. B) Upper outer region, superior gluteal nerve. (C) Upper outer region, Sciatic nerve D) Upper inner region, inferior gluteal nerve E) Lower inner region sciatic nerve

C. Upper outer region , sciatic region

If C5 and C5 is affected what is most likely affected?

Musculocutaneus nerve

Which of the following muscles is innervated for the ulnar nerve? A. extensor pollicis brevis B. opponens pollicis C. adductor pollicis D. 1st and 2nd lumbricals

C. adductor pollicis

Which of the following is the main elbow flexor? A. coracobrachialis m. B. biceps brachii m. C. brachialis m. D. brachioradialis m.

C. brachialis m.

Regarding the elbow arterial anatomosis. Which of the following pairs of arteries anatomose with each other? A. sup. ulnar collateral a. = ant. ulnar recurrent a. B. inf. ulnar collateral a. = post. ulnar recurrent a. C. middle collateral a. = recurrent interosseous a. D. humeral nutrient a. = recurrent radial a.

C. middle collateral a. = recurrent interosseous a.

A handyman spent the whole morning and afternoon doing a lot of woodwork. He heavily used a screwdriver for all the work. Tonight, he is complaining of tingling sensation of his lateral anterior palmar region of his left hand. which of the following muscles should be the one compressing the affected nerve? A. pronator quadratus m B. flexor digitorum profundus m. C. pronator teres m. D. flexor digitorum superficialis m. E. palmaris longus m.

C. pronator teres m. compression of the median nerve

Which of the following arteries is the main contribution to the deep palmar arch? A. ulnar artery B. princeps pollicis artery C. radial artery D. brachial nerve

C. radial artery

A 23-year-old woman comes to the emergency department because of a 5-day history of nausea and vomiting. She has no fever, abdominal pain. constipation. diarnea.ordsura She is sexually active and uses condoms inconsistently. Her last menstrual period was 10 weeks ago. Her temperature is 37.0°C (98 6°F), pulse is 90 min, respirations are 18/min. and blood pressure is 110/70 mm Hg. The abdomen is soft, there is no rebound tenderness or guarding. A urine pregnancy test is positive. Ultrasonography shows an intrauterine pregnancy consistent in size with an 8-week gestation. The hormone that was measured in this patient's urine to detect the pregnancy is also directly responsible for which of the following processes? A) Inhibition of ovulation B) Fetal angiogenesis C) Preparation of uterine endometrium for implantation D) Maintenance of Corpus Luteum E) Hypertrophy of uterine myometrium

D

A 24 year old female was brought to the ER after a motorcycle accident. An x-ray reveals a spiral groove fracture on the humerus. A very powerful supinator that would remain intact is the: a. Brachioradialism. b. Brachialis m. C. Supinator m. d. Biceps brachii m. e. Flexor carpi radialis m.

D

During the later stages of pregnancy, maternal blood is separated from fetal blood by the (A). syncytiotrophoblast only (B). cytotrophoblast only (C). syncytiotrophoblast and cytotrophoblast (D) syncytiotrophoblast and fetal endothelium (E). cytotrophoblast and fetal endothelium

D

In a 32-year-old woman regional anaesthesia is to be performed during the expulsion stage in order to alleviate pain during delivery. What nerve needs to be anaesthetised in order to numb the vagina and perineum? A. Femoral B. Obturator C. Sciatic D. Pudendal E. lliohypogastric

D

Which extraembryonic membrane is closest to the embryo? A. Allantois B. Yolk Sac C. Chorion D. Amnion

D

Which of the following best describes the placental components of dizygotic twins? A). One placenta, two amniotic sacs, one chorion B). One placenta, two amniotic sacs, two chorions C). Two placentas, two amniotic sacs, one chorion D). Two placentas, two amniotic sacs, to chorions E). One placenta, two amniotic sacs, two chorions

D

Which of the following does not pass through the primitive umbilical ring? (A). Allantois (B). Amnion (C). Vitelline duct (D). Connecting stalk

D

The bladder (except the trigone) is derived from tissues associated with the: A. Metanephric blastema B. Mesonephric ducts C. Paramesonephric ducts D. Cloaca/ urogenital sinus

D. Cloaca/ urogenital sinus

In the normal female development, non-fusion of the urethral folds forms the vestibule of the vagina. In the male, non-fusion of the urethral folds would cause: A. Cryptorchidism B. Hydrocele of the testis C. Epispadia D. Hypospadioss E. Bifid scrotum

D. Hypospadioss

The interstitial cells (of Leydig) of the testis are primarily derived from: A. Neural crest B. Splanchnic mesoderm C. Somatic mesoderm D. Intermediate mesoderm E. Endoderm

D. Intermediate mesoderm

A patient with hereditary blood clotting problems presents with pain in the back of her knee. An arteriograph reveals a blood clot in the popliteal artery at its proximal end. Which of the following arteries will allow blood to reach the foot? A. Anterior tibial B. Posterior tibial C. Peroneal D. Lateral circumflex femoral E. Superior medial genicular

D. Lateral circumflex femoral

The ductus deferens is derived from the: A. Ureteric bud B. Metanephric blastema C. Paramesonephric ducts D. Mesonephric ducts

D. Mesonephric ducts

Which of the following structures is never reached by spermatozoa? A. Uterine tube B. Vagina C. Cervix D. Ovary E. Body of uterus

D. Ovary

The oviducts are derived from the: A. Metanephric blastema B. Cloaca/ urogenital sinus C. Mesonephric ducts D. Paramesonephric ducts

D. Paramesonephric ducts

A human fetus with a 46, XY genotype has testes with normally functioning leydig cells but total absence of Sertoli cells. Which of the following phenotypes is the most likely to develop? A. Male internal and external genitalia B. Female internal and external genitalia C. Female internal genitalia and male external genitalia D. Male internal and female external genitalia E. Both male and female internal genitalia and male external genitalia

E. Both male and female internal genitalia and male external genitalia

The lower 2/3 of vagina is most commonly associated with the: A. Metanephric blastema mesenchyme B. Ureteric bud C. Mesonephric D. Paramesonephric duct E. Cloaca/ urogenital sinus

E. Cloaca/ urogenital sinus

An infant born to a 23-year-old females has ambiguous genitalia. The gonadal cells contain Y chromosome and there is no uterus on pelvic examination. The absence of the uterus is due to the effects of which of the following substances in the fetal period? A. Testosterone B. Dihydrotestosterone C. Dehydroepiandrosterone D. Luetinizing hormone E. Müllerian inhibitory factor

E. Müllerian inhibitory factor

Damage to ulnar affects what bone?

Hamate

Damage to the acute compartment syndrome damages what bone in hand?

Lunate

Which structure is associated with the area surrounding the white arrow? A. Obturator artery B. Superior genicular artery C. Medial circumflex artery D. Deep artery of the thigh E. Inferior gluteal artery

Medial Circumflex Artery