Final Anatomy Questions

A ______ joint allows for the widest range of movement, while a ____ joint allows for the smallest range of motion. A. Saddle; pivot B. Ball-and-socket; pivot C. Saddle; plane D. Ball-and-socket; plane

D

In Fick's first law, diffusion rate is directly impacted by all the following variables except: A. Solute concentration difference B. Diffusion coefficient C. Surface area for diffusion D. Solute temperature E. Diffusion distance

D

In the ovary, the granulosa cells and thecal cells release _________, while the corpus luteum produces _________. A. FSH; progesterone B. Progesterone; estrogen C. FSH; estrogen D. Estrogen; progesterone E. Estrogen; FSH

D

In the scenarios below, which will lead to an increase in pH. A. A decrease in breathing frequency B. An decrease in bicarbonate production. C. An increase in CO2 unbinding from Hb D. An increase in breathing frequency E. An decrease in the elimination of hydrogen ions from the body.

D

Nails provide protection to the tips of the _______ phalanges. Humans use deodorant to the mask the smells generated by their _______ glands. A. Proximal; Eccrine B. Proximal; Apocrine C. Distal; Eccrine D. Distal; Apocrine

D

Once the _______ enters the stomach, the _______ cells will start to produce HCl that will drop the pH of the stomach to a value of ___. A. bolus; parietal; 4 B. bolus; chief; 4 C. chyme; parietal; 4 D. bolus; parietal; 2 E. chyme; chief; 2 F. bolus; chief; 2 G. chyme; chief; 4 H chyme; parietal; 2

D

The ______ portion of an ECG represents ventricular depolarization. The AV bundle is found in the _______ side of the heart. A. P-wave; left B. P-wave; right C. QRS complex; left D. QRS complex; right

D

The _______ phase of the uterine cycle coincides with the formation of the corpus luteum. Prior to ovulation there is a large surge of ______ that weakens the follicular wall. A. Menstrual; LH B. Menstrual; FSH C. Proliferative; LH D. Secretory; LH E. Secretory; FSH F. Proliferative; FSH

D

The ________ respiratory group located in the __________ of the brain will stimulate muscles only associated with forced ventilation. A. Dorsal; Medulla oblongata B. Ventral; Pons C. Dorsal; Pons D. Ventral; Medulla oblongata

D

The __________ valve is found in the left side of the heart and depends on stimulation of the ___________ to prevent its inversion. A. Tricuspid; papillary muscles B. Tricuspid; cusps C. Bicuspid; cusps D. Bicuspid; papillary muscles

D

Which group of connective tissue types are most closely related? A. Elastic cartilage; fibrous cartilage; blood B. Dense regular; lymph; reticular C. Areolar; bone; elastic cartilage D. Reticular; areolar; adipose E. Adipose; elastic; blood

D

Which lymphocyte is incorrectly paired with its function? A. NK cell: destroy cancer cells B. Regulatory T cells: regulate the immune response C. Memory B cells: produce antibodies to a previously encountered antigen D. Cytotoxic T cells: enhance antibody production E. Plasma cells: produce antibodies

D

Which of the following bones are not part of the face. A. Zygomatic B. Vomer C. Palatine D. Sphenoid E. Lacrimal F. Maxillae

D

Which of the following is NOT an anatomical synapomorphy for all vertebrates: A. Dorsal hollow nerve cord B. Braincase C. Pharyngeal arches D. Limbs

D

Which of the following is false: A. Antigens on the surface of RBCs are used to determine blood type B. Agglutination is the clumping of antibodies and RBCs C. Blood Type AB+ is considered the universal recipient D. A Rh- person will produce Rh antibodies since birth E. Blood types are genetically determined

D

Which of the following is false: A. Hair plays a role in protecting skin from UV damage. B. The thickness of the epidermis on the soles and palms prevent their tanning. C. Exposure to extensive UV radiation can damage fibrocytes which will cause premature wrinkling. D. An increase in UV exposure will stimulate the melanocytes to produce more carotene pigment. E. Exposure to extensive UV radiation can cause skin cancer.

D

Which of the following is true: A. Osteons are parallel to the bone axis in spongy bone. B. Tendons and ligaments are attached to the periosteum. C. Nerves are only associated with the periosteum of the bone. D. In bone that is not changing in shape or size osteoblast activity is greater than osteoclast activity. E. All of the statements listed are false.

B

Which of the following organs can alter the pH of ingesta? 1 - pancreas 2 - liver 3 - salivary glands 4 - stomach 5 - jejunum 6 - duodenum A. 1; 4; 6 B. 1; 3; 4; 6 C. 1; 2; 4; 6 D. 1; 2; 3; 4; 5; 6 E. 1; 4

B

Which of the following statements about bone growth are true? A. Bone growth is stimulated by plastic deformation of the bone. B. All of the options listed are true. C. A deficit in calcium and citrate will impair bone growth. D. Osteoblasts in the periosteum will lay down new bone. E. Calcitriol increases Ca absorption in the small intestines F. Vitamin C will stimulate collagen formation.

B

Which of the following statements are true? A. Type II alveolar cells produce surfactant. B. All of the listed statements are true. C. The vibrissae in the nose act as a physical filter for the respiratory system. D. The epiglottis prevents ingesta from entering the glottis during swallowing. E. In the pulmonary circuit veins carry oxygen rich blood.

B

Which organelle is not properly paired with its function: A. Nucleus: stores genetic information B. Flagella: increase surface area C. Lysosome: digest foreign materials D. Golgi apparatus: renewal of the plasma membrane E. Peroxisomes: neutralize toxic compounds F. Mitochondria: ATP synthesis

B

Which of the following is false? A. The epididymis is where sperm mature and damaged/old sperm are degraded. B. The cremaster muscle raises and descends the scrotum to ensure optimal temperature for sperm production. C. Secretions of the seminal gland are involved with capacitation of sperm. D. The corpus cavernosa contains the spongy urethra. E. The nurse cells help to maintain the blood testis barrier.

D

Which of the following muscles are not associated with breathing? A. External oblique B. Quadratus lumborum C. Iliocostalis lumborum D. Longus colli E. Rectus abdominus

D

Which of the following options correctly orders the layers of epidermis in thin skin from superficial to deep? A. Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum B. Stratum basale, stratum spinosum, stratum granulosum, stratum corneum C. Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale D. Stratum corneum, stratum granulosum, stratum spinosum, stratum basale

D

Which of the following parings is incorrect? A. Pharynx: stratified squamous cells B. Sinuses: mucous cells C. All of the listed pairings are correct D. Alveoli: simple columnar cells E. Trachea: Pseudostratified ciliated columnar cells

D

Which of the following portions of the respiratory system can constrict and dilate to alter resistance to airflow? A. Terminal bronchioles B. Trachea C. Respiratory bronchioles D. Terminal bronchioles & trachea E. Respiratory bronchioles & trachea F. Respiratory bronchioles & alveoli G. Alveoli

D

Which of the following statements about cardiac muscle are false: A. All of the listed statements are true. B. The intercalated discs allow for the transfer of ions between cells. C. Cardiac muscle has shorter T-tubules than skeletal muscle. D. Cardiac muscle depends on neural input to initiate the cardiac cycle. E. Cardiac muscle has a very high amount of myoglobin. F. Cardiac muscle is highly dependent on aerobic metabolism.

D

Which of the following statements are true: A. Areolar tissue acts as a site for energy storage. B. Plasma is the portion of lymph that acts as the matrix for this tissue type. C. The matrix of bone is a mixture of calcium salts and elastin fibers. D. All of the listed statements are false. E. Cartilage is capable of extensive repair after severe damage.

D

Which of the following statements are true: A. The duodenum is the main site for absorption in the small intestine B. The pharyngeal swallowing phase is voluntary C. The stomach produces large amounts of bicarbonate to digest proteins D. All of the listed statements are false E. Segmentation will mix and propel ingesta along the GI tract

D

Which set of anatomical regions are properly matched with their respective area on the body? A. Femoral: calf; Cephalic: head; Antebrachial: forearm B. Inguinal: groin; Crural: arm; Abdominal: abdomen C. None of the listed options are correct D. Carpal: wrist; Lumbar: lower back; Sural: calf E. Pedal: foot; Cervical: head; Brachial: arm

D

_________ marrow serves to store energy. The _________ covers the outer surface of bone and is composed of multiple layers of cells. A. Red; Endosteum B. Yellow; Endosteum C. Red; Periosteum D. Yellow; Periosteum

D

__________ is when leukocytes leave capillaries to attack pathogens. ______ travels in plasma and is activated by thrombocytes during hemostasis. A. Chemotaxis; Fibrinogen B. Diapedesis; Fibrin C. Chemotaxis; Fibrin D. Diapedesis; Fibrinogen

D

__________ regulate the amount of blood that flows to capillary beds; these structures __________ to decrease the amount of blood flowing to a capillary bed. A. Thoroughfare channels; dilate B. Arteriovenous anastomoses; constrict C. Thoroughfare channels; constrict D. Arteriovenous anastomoses; dilate

D

A ______ joint allows the most movement, while a ____ joint allows none. A. Amphiarthrosis; Diarthrosis B. Synarthrosis; Amphiarthrosis C. Amphiarthrosis; Synarthrosis D. Synarthrosis; Diarthrosis E. Diarthrosis; Synarthrosis F. Diarthrosis; Amphiarthrosis

E

A person with type A blood can only receive blood (Erythrocytes) from donors with: A. Type O, Type B, Type A, or Type AB B. Type O, Type A, or Type AB C. Type O or Type AB D. Type O, Type B, or Type AB E. Type O or Type A F. Type O or Type B

E

As a stimulus passes through the ________ it causes contraction of both atria, which is also known as atrial _________. A. AV node; systole B. Purkinje fibers; diastole C. Internodal pathways; diastole D. Purkinje fibers; systole E. Internodal pathways; systole

E

Of the following statements regarding body cavities, which is false? A. The serous membranes provide lubrication to organs. B. The parietal peritoneum lines the body wall. C. The thoracic and abdominopelvic cavities are separated by the diaphragm. D. The visceral pleura cover the outside surface of each lung. E. All of the gastrointestinal system is solely housed within the abdominal cavity.

E

The __________ is the lymph organ that destroys damaged RBCs; and the _________ is the lymph organ that primarily activates T cells. A. Thymus; Spleen B. Red Marrow; Spleen C. Red Marrow; Thymus D. Thymus; Red Marrow E. Spleen; Thymus F. Spleen; Red Marrow

E

The muscles of the urogenital triangle are involved with all of the following except: A. Ejaculation B. Tightening the vaginal opening. C. All of the listed options are functions of the urogenital triangle. D. Opening and closing the urethra. E. Opening and closing the anus

E

Which anatomical joint is incorrectly paired with its joint type? A. Humero-ulnar: hinge joint B. Radiocarpal joint: condylar joint C. Tibiotalar joint: hinge joint D. First (thumb) carpometacarpal joint: saddle joint E. Glenohumeral joint: condylar joint

E

Which of the following is false: A. Microvilli increase the surface area of the apical surface. B. Epithelial tissues cells are replaced by stem cells. C. Epithelial tissue is avascular. D. Exocrine glands secrete products that empty into a body opening or space. E. Holocrine secretion has a rapid production rate.

E

Which of the following is true? A. Flexion increases the angle between bones. B. Synovial joints are not innervated. C. When use your head to "Say NO", you are using a hinge joint. D. Adduction is motion away from the longitudinal axis. E. All of the listed options are false F. Fibrous syndesmosis joints have synovial fluid. G. The joint cavity of synovial joints is filled with blood.

E

Which of the following statements about erythrocytes are true? A. Their shape also gives them high flexibility B. They lack nuclei C. They lack ribosomes D. They use anaerobic metabolism E. All of the listed options are true F. Are shaped as a biconcave disc which gives them a large surface area

E

Which of the following statements about sebaceous glands is false? A. Sebaceous glands are absent from the soles of feet and palms of hands. B. Sebaceous glands use the holocrine secretion method for producing product. C. Sebum is a lipid mixture helps to maintain the epidermis and hair. D. Blocked sebaceous glands can cause acne. E. Sebaceous glands are only found in association with hair follicles.

E

Which of the following statements about spongy bone are true? A. Spongy bone will allow bone to tolerate multidirectional strain. B. Spongy bone is formed by a branching network of trabeculae. C. Spongy bone can decrease the weight of bones. D. Spongy bone contains red bone marrow which mainly produces blood cells. E. All of the options listed are true.

E

_________ are one of the few organelles that have a double-layered membrane. A _________ is a vesicle that is filled with digestive enzymes. A. Mitochondria; Lysosome B. Endoplasmic reticulum; Peroxisome C. Endoplasmic reticulum; Lysosome D. Mitochondria; Peroxisome

A

Choose the option that correctly pairs each organ system with a main homeostatic function: A. Lymphatic: water balance; Cardiovascular: gas transport; Skeletal: support B. None of the sets shown are correct. Cardiovascular: pH balance; Skeletal: protection; Digestion: water absorption C. Lymphatic: immunity; Nervous: relay information; Integument: thermoregulation D. Lymphatic: water balance; Skeletal: support; Integument: sensory

A

In males the _________ urethra is the portion of the urethra that passes through the penis. The external urethral sphincter is made of __________ muscle. A. Spongy; skeletal B. Spongy; smooth C. Membranous; skeletal D. Membranous; smooth

A

Products synthesized by the endoplasmic reticulum are delivered to the Golgi apparatus by: A. Transport vesicles B. Cisternae C. Ribosomes D. Microfilaments E. Bulk transport

A

The ________ is impermeable to water and the ________ is what secretes urine into the minor calyx. A. Ascending loop of Henle; papillary duct B. Ascending loop of Henle; connecting tubules C. Descending loop of Henle; papillary duct D. Descending loop of Henle; connecting tubules

A

The most superficial layer of skin that has vasculature is the: A. Papillary layer B. Reticular layer C. Epidermis D. Hypodermis

A

The most superficial layer of the epidermis where cells still possess nuclei is the: A. stratum granulosum B. stratum basale C. stratum lucidum D. stratum corneum E. stratum spinosum

A

When _________ leaves the myosin head, the ___________ occurs and tension is generated. A. Phosphate; Power stroke B. ADP; Power stroke C. ADP; Rigor D. Phosphate; Rigor

A

Which cell is not correctly paired with what it secretes? A. All of the listed cells are correctly paired with their product B. Acinar cells: enzymes C. Chief cells: pepsinogen D. Pancreatic islet cells: hormones E. Parietal cells: HCl

A

Which of the following do not secrete enzyme(s) during digestion? A. Liver B. Stomach C. Pancreas D. Small intestine E. Salivary gland

A

Which of the following is True? A. All of the listed options are true. B. Nephrons can alter body-wide blood pressure by producing renin. C. Renal excretion is not a function of nephrons. D. The juxtaglomerular complex monitors arteriole BP and DCT filtrate ion concentration. E. Sympathetic nerve fibers are the most common nerve type found within the kidney. F. Glomerular filtration rate can be altered via vasoconstriction and vasodilation of the efferent & afferent arterioles.

A

Which of the following is false ? A. Once sperm leave the seminiferous tubules they are fully functional and ready to fertilize an oocyte. B. Sperm depend on fructose as an energy source. C. The acrosome contains enzymes that will allow for fertilization of an oocyte. D. Sperm production is continuous after puberty. E. Testosterone stimulates spermatogenesis and spermiogenesis

A

Which of the following is not a function of the lymphatic system: A. All of the listed options are functions of the lymphatic system B. Maintain composition of interstitial fluid C. Transport hormones D. Produce lymphocytes E. Maintain blood volume F. Transport nutrients

A

Which of the following measurements will be impacted by changes in activity level and/or posture? A. All of the listed measurements will be impacted by changes in activity level and/or posture. B. Inspiratory reserve volume C. Tidal volume D. Inspiratory capacity E. Functional residual capacity

A

Which of the following statements about hair are true: A. All of the statements listed are false. B. Hair color is derived from carotene. C. Hair depends on sweat to maintain structural integrity. D. Hair shaft is living tissue. E. All hairs have a cortex, medulla, and cuticle.

A

Which of the following statements are false: A. Veins only conduct oxygen poor blood. B. Veins always conduct blood towards the heart. C. Some veins have valves that aid in the one-way propagation of blood. D. The endothelial lining of veins is smooth. E. Some veins depend on the activity of skeletal muscles to conduct blood.

A

Which of the following structures are only found in the right side of the heart: A: Moderator band B: Opening of the coronary sinus C: Trabeculae carneae D: Pectinate muscles A. A; B B. B; C C. A; B; C; D D. A; D E. C; D

A

Your fingertips are _______ to your wrist and your nose is ________ to your ears. A. Distal; medial B. Distal; lateral C. Proximal; lateral D. Proximal; medial

A

Which intercellular connection allows for the free passage of material between cells? A. Hemidesmosomes B. Gap junctions C. Cell adhesion molecules (CAMs) D. Tight junctions E. None of the listed options have this ability

B

Which of the following bones do not help to form the orbit A. Sphenoid B. Temporal C. Zygomatic D. Maxillae E. Ethmoid F. Lacrimal

B

At rest, the slight ____________ pressure caused by the ____________ allows alveoli and lungs to stay partially inflated. A. Negative; transpulmonary pressure B. Negative; intrapleural pressure C. Positive; intrapleural pressure D. Negative; intrapulmonary pressure E. Positive; intrapulmonary pressure

B

Choose the correct order of levels of decreasing biological complexity: A. Organism, Tissue, Organ system, Organ, Cellular, Chemical/molecular B. Organism, Organ system, Organ, Tissue, Cellular, Chemical/molecular C. Organism, Organ system, Tissue, Organ, Cellular, Chemical/molecular D. Organism, Organ system, Organ, Cellular, Tissue, Chemical/molecular E. Organism, Cellular, Organ system, Organ, Tissue, Chemical/molecular

B

Due to the bacteria found within, the vagina is _______ . The _______ is the erectile tissue of the female reproductive tract. A. Basic; clitoris B. Acidic; clitoris C. Basic; fornix D. Acidic; fornix

B

During the Bohr effect, Hb increases its affinity for _______ due to _______ in pH. A. Carbon dioxide; a decrease B. Oxygen; an increase C. Oxygen; a decrease D. Carbon dioxide; an increase

B

Hemopoiesis occurs in ____ bone marrow. Megakaryocytes shed portions of their cytoplasm and plasma membrane to form ____ . A. yellow; erythrocytes B. red; thrombocytes C. yellow; thrombocytes D. red; erythrocytes

B

Of the following hormones which will stimulate bone growth? A. Growth hormone B. All of the listed hormones will stimulate bone growth C. Thyroxine D. Estrogen E. Calcitonin F. Testosterone

B

Plasma membranes engage in all of the following functions except: A. Regulating exchange with extracellular fluid B. All of the choices listed are functions of the plasma membrane C. Cell structural support D. Cell to cell communication E. Cell adhesion F. Sense extracellular stimuli

B

The __________ nephrons have LOHs that span deeply into the medulla. The __________ is the capillary bed that drains these extended LOHs. A. Cortical; peritubular B. Juxtamedullary; vasa recta C. Cortical; vasa recta D. Juxtamedullary; peritubular

B

The __________ system reduces CO by releasing Acetylcholine. CO is the product of HR and ______. A. Sympathetic; TPR B. Parasympathetic; SV C. Sympathetic; SV D. Parasympathetic; TPR

B

The ______________ surrounds each muscle, the ____________ surrounds muscle fascicles, and the _________ surrounds individual muscle fibers. A. Endomysium; Perimysium; Epimysium B. Epimysium; Perimysium; Endomysium C. Perimysium; Epimysium; Endomysium D. Endomysium; Epimysium; Perimysium

B

The bulk of the body's lymph is drained by the __________ duct which enters the venous system via the __________ vein. A. Thoracic; brachiocephalic B. Thoracic; subclavian C. Right lymphatic; subclavian D. Right lymphatic; brachiocephalic

B

The human body is predominately made up of which elements: A. Hydrogen, Calcium, Nitrogen, Oxygen B. Hydrogen, Carbon, Nitrogen, Oxygen C. Hydrogen, Chloride, Nitrogen, Oxygen D. Phosphorus, carbon, Nitrogen, Oxygen

B

The presence of _______ in bone matrix imparts limited flexibility. _______ deformation of bone results in no change in shape. A. Hydroxyapatite crystals; Elastic B. Collagen fibers; Elastic C. Hydroxyapatite crystals; Plastic D. Collagen fibers; Plastic

B

When Ca ions enter the muscle fiber they bind to _________. When ATP binds to ________ rigor is ended. A. Tropomyosin; Actin B. Troponin; Myosin C. Tropomyosin; Myosin D. Troponin; Actin

B

When someone shrugs " ¯\_(ツ)_/¯ ", typically their shoulders undergo _______ their hands undergo _______. A. Elevation; adduction B. Elevation; abduction C. Depression; abduction D. Depression; adduction

B

Which enzyme is not correctly paired with the compound that it breaks down? A. Lipase: Fats B. Maltase: Fats C. Nuclease: Nucleic acids D. Amylase: Carbohydrates E. All of the enzymes are correctly paired with their target compound. F. Pepsin: Protein

B

A plane that divides a specimen into dorsal and ventral halves is called: A. Parasagittal plane B. Transverse plane C. Frontal plane D. Midsagittal plane

C

Due to the ______ of veins, the venous system acts as capacitance vessels, the _______ of veins shifts more blood towards the arterial side of circulation. A. Rigidity; venodilation B. Flexibility; venodilation C. Flexibility; venoconstriction D. Rigidity; venoconstriction

C

In lab you will primarily study large easily-seen structures, which is also referred to as _________ anatomy. ________ is the branch of anatomy that studies cells. A. Microscopic; Histology B. Gross; Histology C. Gross; Cytology D. Microscopic; Cytology

C

In muscle fibers, ATP does all of the following except: A. End rigor. B. Used in active transport of Ca ions into the sarcoplasmic reticulum. C. Change the shape of DHPR proteins. D. Serve as the source of ADP and phosphate that is used in the cross bridge cycle. E. All of the listed choices are functions of ATP.

C

The _________ is the smallest functional unit of a muscle. Bundles of actin are directly linked to each other along the ____________. A. Myofibril; M disc B. Sarcomere; M disc C. Sarcomere; Z disc D. Myofibril; Z disc

C

The concentration of _______ gives each fiber type its color. __________ fibers are small, have many mitochondria, and are fatigue resistant. A. Myofibrils; Slow B. Myofibrils; Fast C. Myoglobin; Slow D. Myoglobin; Fast

C

The release of CSFs will increase the production of ___________ except for _________. A. Formed elements; thrombocytes B. Leukocytes; monocytes C. Leukocytes; lymphocytes D. Formed elements; leukocytes E. Formed elements; lymphocytes

C

Vasculature plays a role in regulating whole body blood pressure through the alteration of SV by the ________ and alteration of TPR by the ________. A. Arteries; Arteries B. Veins; Veins C. Veins; Arteries D. Arteries; Veins

C

Which of the following cells are found within lacunae? A. Osteoclast B. Osteoblast C. Osteocyte D. Osteoprogenitor cells

C

Which of the following muscles are not associated with the hyoid? A. Geniohyoid B. Thyrohyoid C. Sternocleidomastoid D. Digastric E. Omohyoid.

C

Which tissue type is not correctly paired with its function A. Dense regular connective: high tensile strength which works with muscles to move limbs B. Adipose: energy storage C. All of the pairings listed are correct D. Neural: transmit information E. Serous membrane: lubricate organs

C

________ are neural cells that can divide. _______ muscle can grow and/or repair itself due to its ability to undergo hyperplasia. A. Neurons; Skeletal B. Neuroglia; Skeletal C. Neuroglia; Smooth D. Neurons; Smooth

C

_________ membranes produce fluid that reduces the friction in joints. _________ membranes produce transudate that reduces friction between organs and body cavities. A. Mucous; Serous B. Serous; Mucous C. Synovial; Serous D. Serous; Synovial E. Synovial; Mucous

C

__________ capillaries are flattened and allow for the diffusion of very large solutes; while __________ capillaries have complete endothelial linings and are the most common in the body. A. Continuous; sinusoid B. Fenestrated; continuous C. Sinusoid; continuous D. Fenestrated; sinusoid E. Continuous; fenestrated F. Sinusoid; fenestrated

C

Which of the following statements are true: A. Second-class levers generate a large amount of force at the expense of limited movement. B. The origin is the muscle attachment point that remains stationary. C. Muscles grow via hypertrophy. D. The cross sectional area of a muscle determines its strength. E. All of the listed statements are true. F. Pennate muscles produce the most tension due to their high muscle fiber concentration. G. Anatomical pulleys redirect tension.

E

Oxygen poor blood enters the heart via the ____________. The ___________ prevents oxygen rich blood from coming back into the heart. A. Pulmonary trunk; pulmonary semilunar valve B. Pulmonary vein; pulmonary semilunar valve C. Pulmonary trunk; aortic semilunar valve D. Pulmonary vein; aortic semilunar valve E. Vena cava; pulmonary semilunar valve F. Vena cava; aortic semilunar valve

F

Which of the following is not a unique function of the axial skeleton? A. Houses the central nervous system. B. Used for feeding. C. Houses the senses. D. Used for breathing. E. Used for sound production. F. All of the options listed are unique functions of the axial skeleton.

F

Which of the following pairs of tissue types have the ability to repair themselves after major damage? A. Neurons & Cardiac muscle B. Cardiac muscle & Smooth muscle D. Bone & Elastic cartilage E. lastic cartilage & Smooth muscle F. Bone & Smooth muscle

F

Which of the following processes do not directly use energy? A. Phagocytosis B. Pinocytosis C. Active transport D. All of the processes listed directly use energy E. Exocytosis F. Osmosis

F

Which of the following statements are true: A. Acetylcholine stimulates the motor end plate. B. When DHPR proteins undergo a conformational change, Ca ions are released. C. Ca ions enter the sarcoplasmic reticulum via active transport. D. Slow fibers are absent from hand muscles. E. Motor units have a set tension strength per contraction. F. All of the listed statements are true.

F