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1.
Identify the option that represents the muscle type shown below and then
choose the letter below that names the type of muscle that does not contain
the same arrangement of actin and myosin as this image.
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 identify
of the type of muscle below. Write the characteristic of this
muscle that makes it unique to the other muscle types.
a) Striations/Skeletal muscle
b) IC disc/Cardiac muscle
c) Muscle tear/Smooth muscle
d) Visceral muscle
e) Both c and d
Amitotic tissue (or
simultaneous contractions
of all cells)
3. What muscle is synergistic to this muscle and write the name
of the muscle that is antagonistic to muscle #3 ?
a) Trapezius.
b) Sternocleidomastoid.
c) Pectoralis minor.
d) Serratus anerior.
e) Rhomboideus minor.
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Trapezius
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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 and write the name of
the muscle seen here medial to your first answer
a) Rectus abdominis
b) Transversus abdominis
c) External oblique
d) Internal oblique
e) Latissimus dorsi
Rectus abdominis
8.
Write the name of the muscle below and choose the
letter below to describe the main action of muscle # 8:
Triceps (Long Head)
a) Extends the arm at the shoulder
joint
b) Stabilizes the shoulder joint
c) Abducts the arm at the shoulder
joint
d) Extends the elbow
e) Adducts the arm at the shoulder
joint
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9.
Write the name of this muscle and choose the letter
corresponding to which of the following are the
correct actions of muscle #9?
Deltoid
a) Adducts and flexes the forearm
b) Extends and medially rotates the
arm at the shoulder
c) Abducts the arm at the
shoulder
d) Adducts and extends the arm at
the shoulder
e) Adducts and flexes the arm at the
shoulder
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10. Choose the letter that corresponds to the name of the
white connective tissue that would compartmentalize the
structure at the arrow. Write the name of the
structure(s) that make up the structure at the arrow.
a) Endomysium
b) Epimysium
c) Perimysium
d) Fascia
e) Both b and d
Myofibrils
11. Which of the following muscles are rotator cuff muscles?
Choose every letter that applies. Write the name of the
muscle that acts on the scapula.
Infraspinatus
b) Supraspinatus
c) Teres minor
d) Subscapularis
e) Trapezius
a)
Trapezius
12. What muscle is a synergist to muscle #12? Write the specific function that
they share.
a) Buccinator
b) Masseter
c) Orbicularis oris
d) Temporalis
e) Zygomaticus
Mastication
(chewing)
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13. Name the muscle at the arrow using the options below and write
the name of the bone that it inserts into.
a) Rectus abdominis
b) Transversus abdominis
c) External oblique
d) Serratus anterior
e) Latissimus dorsi
Scapula-inferior angle
14. The main action of muscle # 14 is:
What is the name of this muscle. Supraspinatus
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 using the options below and write the
name of the bone that it inserts into.
a) Teres minor
b) Sternocleidomastoid
c) Pectoralis minor
d) Serratus anterior
e) Coracobrachialis
Temporal bone (mastoid
process)
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16. Write the name of muscle 16 .Which of the following states
the correct actions of muscle #16? Pectoralis major
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 using the options below and write the
name of the muscle immediately superior to your answer.
a) Levator scapulae
b) Trapezius
c) Rhomboideus major
d) Rhomboideus minor
e) Supraspinatus
Levator scapulae
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18. Choose the type of muscle below that is not fatigue-resistant and write two
characteristics that are unique to this muscle type: How many cells are seen in the
image?
Voluntary and multi-nucleated– 6 cells
a) Voluntary muscle
b) Cardiac muscle
c) Smooth muscle
d) Visceral muscle
e) Both c and d
19. Write the name of #19. What is the insertion of muscle #19 ?
Latissimus dorsi
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 using the options below and write the name of the
muscle listed below that shares a function with your answer. What is
this function?
a) Orbicularis oculi
b) Orbicularis oris
c) Buccinator
d) Frontalis
e) Zygomaticus major
Buccinator- both are for
mastication (chewing)
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22. Which of the following muscles originates at two separate
points on the scapula and inserts on the proximal radius? Write
the name of the muscle in this list that is antagonistic to your
answer.
Triceps brachii
b) Coracobrachialis
a)
Biceps brachii
d) Brachioradialis
e) Subscapularis
Triceps brachii
c)
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23. Choose the name of region #23 in the options below. What proteins does
it contain?
a) A band
H zone
c) Z line
d) I band
e) M line
actin, myosin, troponin, tropomyosin
b)
24. Name the white connective tissue at the arrow and
write the name of the structure that is pulled out of it.
a) Endomysium
b) Epimysium
c) Perimysium
d) Fascia
e) Both b and d
Muscle fiber
25. Which of the following describes the correct action of
muscle #25 ? Write the name 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
Trapezius
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