WorksheetsSOCHi A&P Chapter 8
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
From superficial to deep, the correct order of muscle structure is
a)
deep fascia, epimysium, perimysium, and endomysium
b)
epimysium, perimysium, endomysium, and deep fascia
c)
deep fascia, endomysium, perimysium, and epimysium
d)
endomysium, perimysium, epimysium, and deep fascia
2.
What is the function of calcium ions in skeletal muscle contraction?
a)
bind to receptors on the motor end plate to stimulate muscle contraction
b)
cause a pH change in the cytoplasm to trigger muscle contraction
c)
block the myosin-binding sites on actin
d)
bind to regulatory proteins to expose myosin-binding sites on actin
3.
Which structure is a broad flat extension that attaches muscle to bone or other muscle?
a)
tendon
b)
fascicle
c)
aponeurosis
d)
motor end plate
4.
What is the term for decrease in muscle size, as from disuse?
a)
colic
b)
strain
c)
seizure
d)
atrophy
5.
Which disease is characterized by widespread muscle aches, tenderness, stiffness, and has no known cause?
a)
shin-splints
b)
fibromyalgia
c)
myositis
d)
tendinitis
6.
A single neuron and all the muscle fibers it stimulates make up a(n) _______.
a)
motor unit
b)
motor neuron
c)
axon
d)
neuromuscular junction
7.
A contraction in which there is no change in muscle length but there is an increase in muscle tension is _______.
a)
isotonic
b)
isometric
c)
concentric
d)
eccentric
8.
This muscle raises and pulls back the shoulder.
a)
masseter
b)
trapezius
c)
anterior deltoid
d)
pectoralis major
9.
Which muscle is the main agonist for arm extension?
a)
Biceps brachii
b)
Triceps brachii
c)
Biceps femoris
d)
Extensor digitorum
10.
The adductor muscle group is located on which part of the thigh?
a)
Anterior
b)
Posterior
c)
Medial
d)
Lateral
100 %
