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True/False Quiz
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Please answer all questions

1
Tenosynovitis is an inflammation of the connective tissue associated with muscles.
A)True
B)False
2
Treatment for compartment syndrome may involve a fasciotomy.
A)True
B)False
3
The myofilaments are comprised of myofibril units.
A)True
B)False
4
The motor end plate is the specialized thickened membrane of the muscle fiber.
A)True
B)False
5
The tropomyosin-troponin complexes block the active sites on the actin preventing the contraction.
A)True
B)False
6
Troponin is a muscle protein whose chemical activity causes contraction of muscle fibers.
A)True
B)False
7
Acetylcholine causes the release of calcium from the sarcoplasmic reticulum.
A)True
B)False
8
Energy is normally not consumed during the relaxation process.
A)True
B)False
9
The enzyme acetylcholinesterase acts to increase the force of a muscle contraction.
A)True
B)False
10
Food poisoning from botulism can cause death from respiratory failure.
A)True
B)False
11
The inability to contract, or fatigue, is primarily caused by a lack of glucose and oxygen in muscle.
A)True
B)False
12
The liver can convert lactic acid to glucose.
A)True
B)False
13
Skeletal muscles continue to contract following death.
A)True
B)False
14
Red muscles are slow contracting and are typically found in the eyelids and hands.
A)True
B)False
15
Recruitment is the process in which there is an increase in the number of motor units activated.
A)True
B)False
16
The staircase effect refers to an increase in the strength of a muscle contraction that occurs during exercise.
A)True
B)False
17
Smooth muscles are not striated and as such do not have actin and myosin filaments.
A)True
B)False
18
Smooth muscle can be stimulated to contract by stretching.
A)True
B)False
19
Smooth muscle fibers usually can respond faster than skeletal muscle.
A)True
B)False
20
Cardiac muscle is striated, found only in the heart, and does not rely on calcium as much as skeletal muscles do for contraction.
A)True
B)False
21
The heart only contains cardiac muscle.
A)True
B)False
22
The part of the muscle that moves is referred to as its insertion.
A)True
B)False
23
A muscle causing flexion is the antagonist to one that could cause extension at the same time.
A)True
B)False
24
The orbicularis muscles are sphincter muscles, which cause the eyes to squint and lips to compress.
A)True
B)False
25
The temporalis is attached to the temporal bone and plays its greatest role in facial expression.
A)True
B)False
26
The triceps brachii is an antagonist of the brachioradialis.
A)True
B)False
27
The triceps has one head of origin on the humerus and two on the scapula.
A)True
B)False
28
The biceps brachii is located on the humerus but has no major attachments to the humerus.
A)True
B)False
29
In general, the flexors of the hand and fingers are located on the posterior surface of the forearm.
A)True
B)False
30
The abdominal muscles commonly insert on the linea alba.
A)True
B)False
31
There are skeletal muscles attached to the penis or clitoris.
A)True
B)False
32
When one is standing upright, the gluteus muscles are mainly in a state of relaxation.
A)True
B)False
33
Torticollis is a condition in which the neck muscles contract involuntarily.
A)True
B)False







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