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1. Name the type of muscle below that does not contain
the vertical striations seen in this picture:
b) Cardiac muscle
c) Smooth muscle
d) Visceral muscle
e) Both c and d
2. What is the name of the structure at the pointer and
identity of the type of muscle below:
a) Striations/Skeletal muscle
b) IC disc/Cardiac
muscle
c) Muscle tear/Smooth
muscle
d) Visceral muscle
e) Both c and d
3. What muscle is antagonistic to muscle #3 ?
a) Trapezius.
b) Sternocleidomastoid.
c) Pectoralis minor.
d) Serratus anerior.
e) Rhomboideus minor.
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4. Identify structure A and name the ion that travels
within it. T-tubules containing Na+ ions
A.
myofibril
sarcoplasmic reticulum
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5. Name region #5. Is this muscle partially contracted ?
Explain. Contracted due to actin overlapping in the H zone
a) A band
b) H zone
c) Z line
d) I band
e) M zone
6. Which of the following must occur in order
for the Na+ gates to open and generation of an
action potential within skeletal muscle?
a) Repolarization.
b) Propagation of nerve impulse down the
muscle fiber.
c) Ach binding to the motor end plate.
d) A sudden positive change in membrane
potential.
e) None of the above.
7. Name the muscle at the arrow:
a) Rectus abdominis
b) Transversus abdominis
c) External oblique
d) Internal oblique
e) Latissimus dorsi
8. The main action of muscle # 8 is:
a) Extends the arm at the shoulder
b)
c)
d)
e)
joint
Stabilizes the shoulder joint
Abducts the arm at the shoulder
joint
Extends the elbow
Adducts the arm at the shoulder
joint
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9. Which of the following are the correct
actions of muscle #9?
a)
b)
c)
d)
e)
Adducts and flexes the forearm
Extends and medially rotates the
arm at the shoulder
Abducts the arm at the
shoulder
Adducts and extends the arm at
the shoulder
Adducts and flexes the arm at the
shoulder
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10. Name the white connective tissue that
would compartmentalize the structure at
the arrow.
a) Endomysium
b) Epimysium
c) Perimysium
d) Fascia
e) Both b and d
11. Which of the following muscles are rotator
cuff muscles? Choose every letter that applies.
Infraspinatus
b) Subscapularis
c) Trapezius
d) Supraspinatus
e) Teres minor
a)
12. What muscle is a synergist to muscle #12?
a) Buccinator
b) Masseter
c) Orbicularis oris
d) Temporalis
e) Zygomaticus
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13. Name the muscle at the arrow.
a) Rectus abdominis
b) Transversus abdominis
c) External oblique
d) Serratus anterior
e) Latissimus dorsi
14. The main action of muscle # 14 is:
a) Extends the arm at the shoulder
b)
c)
d)
e)
joint
Stabilizes the elbow joint
Abducts the arm at the
shoulder joint
Extends the elbow
Adducts the arm at the shoulder
joint
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15.
Name muscle #15
a) Teres minor
b) Sternocleidomastoid
c) Pectoralis minor
d) Serratus anterior
e) Coracobrachialis
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16. Which of the following states the
correct actions of muscle #16?
a) Adducts and flexes the arm at
b)
c)
d)
e)
the shoulder joint
Extends and medially rotates the arm
at the shoulder
Abducts the arm at the shoulder
Adducts and extends the arm at the
shoulder
Abducts and extends the arm at the
shoulder
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17. Name muscle #17
a) Levator scapulae
b) Trapezius
c) Rhomboideus major
d) Rhomboideus minor
e) Supraspinatus
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18. Name the type of muscle below and write two
characteristics that are unique to this muscle type:
Voluntary and multi-nucleated
a) Skeletal muscle
b) Cardiac muscle
c) Smooth muscle
d) Visceral muscle
e) Both c and d
19.
What is the insertion of muscle #19 ?
a) Lateral clavicle
b) Vertebrae
c) Iliac crest
d) Anterior humerus
e) Spine of scapula
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20. Identify muscle A. What group of muscles,
medial to region A, would act upon the fingers ?Flexors
a) All antebrachial muscles
b) Flexor digitorum muscles
A
c) Extensor muscles
d) Thenar muscles
e) Brachioradialis
Supine position
21. Name muscle #21
a) Orbicularis oculi
b) Orbicularis oris
c) Buccinator
d) Frontalis
e) Zygomaticus major
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22. Which of the following muscles originates
at two separate points on the scapula and
inserts on the proximal radius?
Triceps brachii
b) Coracobrachialis
c) Biceps brachii
d) Brachioradialis
e) Subscapularis
a)
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23. Name region #23
a) A band
b) H zone
c) Z line
d) I band
e) M line
24. Name the white connective tissue at
the arrow
a) Endomysium
b) Epimysium
c) Perimysium
d) Fascia
e) Both b and d
25. Which of the following are correct
actions of muscle #25 ?
a) Pulls scapula towards the ribs
b) Elevates the scapula
c) Abducts the arm at the shoulder
joint
d) Flexes the vertebrae
e) Flexes the head
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