Anatomy 1: Tortora Chapter 11
The _________ assists in erection of the penis and clitoris, helps to expel urine, and to propel semen along the urethra.
Bulbospongiosus
what is the innervation to the zygomaticus minor muscle? a) Facial Nerve VII b) Oculomotor Nerve III c) Mandibular Division of Trigeminal Nerve V d) Hypoglossal Nerve XII
a) Facial Nerve VII
The flexor hallucis brevis, located in the third layer of the intrinsic foot muscles, flexes the big toe. a) True b) False
a) True
The scalenes include (select all that apply) a) anterior scalene b) middle scalene c) posterior scalene d) superior scalene
a) anterior scalene b) middle scalene c) posterior scalene
Infrahyoid muscles are innervated by a) cervical nerves b) thoracic nerves c) sacral nerves d) cranial nerves
a) cervical nerves
What is the function of the levator scapulae? a) elevates scapulae and rotates it downward b) abducts scapula and rotates it upward c) stabilizes pectoral girdle d) elevates third through fifth ribs during forced inhalation
a) elevates scapulae and rotates it downward
The figure shown is a right anterolateral superficial view of the abdomen. What is the name of indicated muscle? a) external oblique b) internal oblique c) transversus abdominis d) rectus abdominus e) linea alba
a) external oblique
Which of the following muscles originate on the ilium? Select all that apply. a) iliacus b) tensor fasciae latae c) gluteus minimus d) gluteus maximus e) gluteus medius
a) iliacus b) tensor fasciae latae c) gluteus minimus d) gluteus maximus e) gluteus medius
Which extrinsic larynx muscle is most lateral? a) omohyoid b) thyroarytenoid c) sternothyroid d) sternohyoid
a) omohyoid
The levator ani consists of (select all that apply) a) pubococcygeus b) puborectalis c) iliococcygeus d) ischiococcygeus
a) pubococcygeus b) puborectalis c) iliococcygeus
Development of a "six pack" during exercise involves the a) rectus abdominis b) internal oblique c) external oblique d) transversus abdominis
a) rectus abdominis
Which of the following muscles would not flex the knee joint? a) rectus femoris b) biceps femoris c) semitendinosis d) semimembranosus
a) rectus femoris
The trapezius muscle of the neck is named according to its: a) shape b) size c) location d) action e) number of tendons of origin
a) shape
What type of muscle tissue would you expect the constrictor muscles of the pharynx to be? a) skeletal muscle b) cardiac muscle c) both skeletal and smooth muscle d) smooth muscle
a) skeletal muscle
Intrinsic muscles of the larynx move structures associated with a) speech b) the hand c) chewing d) the humerus
a) speech
The gluteus maximum is ____ to the gluteus medius. a) superficial b) deep c) distal
a) superficial
The primary arm muscle used when doing a push-up would be the _______? a) triceps brachii b) biceps brachii c) brachialis d) deltoid
a) triceps brachii
Which of the following extends and abducts the hand at the wrist? a) Flexor digitorum profundus b) Extensor carpi radialis longus c) Biceps femoris d) Rectus femoris e) Brachioradialis
b) Extensor carpi radialis longus
Opening and closing of the eyes are actions provided by the same muscle. a) True b) False
b) False
What do the hyoglossus and palatoglossus muscles have in common? a) They both insert into the tongue, depress the tongue, and are innervated by cranial nerve XII. b) They both insert into the tongue. c) They both insert into the tongue and are innervated by cranial nerve XII. d) They both depress the tongue.
b) They both insert into the tongue.
Muscles in the pharynx that occur in three layers and assist in deglutition are a) pharyngeus muscles b) constrictor muscles c) capitis muscles d) lingual muscles
b) constrictor muscles
Which nerve would innervate muscles of the face? a) thoracic nerve III b) cranial nerve V c) sacral nerve II d) lumbar nerve II
b) cranial nerve V
Which of the following is a third class lever? a) effort - fulcrum - load (resistance) b) fulcrum - effort - load c) fulcrum - load - effort d) load - fulcrum - load e) none of these choices
b) fulcrum - effort - load
The flexor pollicis longus muscle is named based upon its a) shape b) location c) number of origins d) relative size
b) location
Which of these muscles does not contribute to the rotator cuff? a) supraspinatus b) scalenes c) infraspinatus d) teres minor
b) scalenes
Which of the suprahyoid muscles do not depress the mandible? a) geniohyoid b) stylohoid c) digastric d) mylohyoid
b) stylohoid
A muscle with an origin in the supraspinous fossa and an insertion at the head of the humerus 1. causes adduction of the shoulder joint 2. causes depression of the scapula 3. is part of the rotator cuff a) 1 only b) 2 only c) 3 only d) 1 and 3
c) 3 only
Incontinence issues may be resolved by Kegel exercises, which muscles are involved? a) pubococcygeus b) levator ani c) all of the choices are correct d) iliococcygeus
c) all of the choices are correct
A muscle that has an origin on the spine of the scapula and an insertion on the occipital nuchal line is capable of a) abducting the shoulder joint b) depressing the scapula c) extending the head d) rotating the neck
c) extending the head
Which extrinsic eye muscle elevates the eye and turns it laterally? a) lateral rectus b) superior oblique c) inferior oblique d) superior rectus e) medial rectus
c) inferior oblique
Using the analogy of a spring on a screen door, the part of the spring attached to the door represents the __________; the part attached to the non-movable frame is the ___________. a) origin; insertion b) origin; belly c) insertion; origin d) ligament; tendon e) insertion; belly
c) insertion; origin
A unilateral contraction of the sternocleidomastoid muscle will result in a) extension of the head b) flexion of the cervical portion of the vertebral column c) lateral flexion of the head and rotation d) extension of the head and vertebral column
c) lateral flexion of the head and rotation
The frontalis muscle and occipitalis muscle of the scalp are named according to their a) relative shapes b) relative sizes c) location d) number of origins
c) location
Which is your "kissing" muscle? (You contract it to pucker your lips.) a) orbicularis oculi b) levator palpebrae superioris c) orbicularis oris d) depressor labii inferioris
c) orbicularis oris
The orientation of the fascicles in the rectus abdominis muscle run in which direction relative to the body's midline? a) diagonal to midline b) perpendicular to midline c) parallel to midline d) all of these are correct e) none of these are correct
c) parallel to midline
The origin of most muscles that move the thigh is the a) head of the femur b) sacral vertebrae c) pelvis d) tibia
c) pelvis
All of the following muscles are involved in the chewing process EXCEPT a) styloglossus b) lateral pterygoid c) platysma d) masseter
c) platysma
Which muscle inserts to the calcaneus via the Achilles (calcaneal) tendon? a) popliteus b) plantaris c) soleus d) iliocostalis
c) soleus
This muscle's sole action is to extend the head and vertebral column a) splenius capitis b) iliocostalis c) spinalis capitis d) longissimus thoracis
c) spinalis capitis
Loss of motor control to the external anal sphincter due to nerve damage of the inferior rectal branch of the pudendal nerve would also result in loss of control in the a) superficial transverse perineal b) bulbospongiosus c) compressor urethrae d) external urethral sphincter
d) external urethral sphincter
Hallucis muscles in the foot move the a) tarsals b) small toe c) metatarsals d) great toe
d) great toe
Which of these muscles is not associated with breathing (alterations of thoracic volume)? a) external intercostals b) internal intercostals c) pectoralis minor d) latissiumus dorsi
d) latissiumus dorsi
Which muscle functions to elevate the mandible as in chewing? a) genioglossus b) superior constrictor c) sternohyoid d) masseter
d) masseter
In order to adduct the second (index) finger, the muscle would most likely be located __________ to the second metacarpal. a) anterior b) posterior c) lateral d) medial
d) medial
Which of the following is not an action of the trapezius muscle? a) shrugging the shoulders (elevation of scapulae) b) extension of the head c) retraction of the scapulae d) protraction of the scapulae, i.e. a "boxer's punch"
d) protraction of the scapulae, i.e. a "boxer's punch"
he femoral triangle, shown in the figure, is defined superiorly by the inguinal ligament, medially by the lateral border of the adductor longus muscle, and laterally by medial border of what muscle? a) gracilis b) vastus lateralis c) rectus femoris d) sartorius e) vastus medialis
d) sartorius
The muscle that separates the thoracic cavity from the abdomen and increases the volume of the thoracic cavity during inhalation is the
diaphragm
In the figure shown, what muscle is indicated? Hint: This muscle is required for blowing out your birthday candles. a) orbicularis oculi b) masseter c) mentalis d) orbicularis oris e) buccinator
e) buccinator
Movement of the thumb across the hand to meet the little finger is
opposition