1.Q: What is the neural circuitry that travels outside the spinal cord
ANS Periph- eral nervous system (the correct answer)
2.Q: Which of the following is a sensory receptor within a muscle that
detects changes in length and helps regulate contraction
ANS Muscle spindle (the correct answer)
3.Q: Which of the following are branches of the cell body that act as
receivers, collecting information from other neurons
ANS Dendrites (the correct answer)
4.Q: A cascade of events, resulting in muscle contraction, is triggered
when which of the following chemical neurotransmitters binds to receptors
on the muscle
ANS Acetylcholine (the correct answer)
5.Q: Which division of the peripheral nervous system controls voluntary movement
ANS Somatic nervous system (the correct answer)
6.Q: Which type of motor unit can contract for many hours, or even days if necessary
ANS Slow (S) of Motor Unit (the correct answer)
7.Q: Which type of motor unit has a large motor neuron and consists of a large bundle of type IIx muscle fibers
ANS Fast fatigable (FF) (the correct answer)
8.Q: Voluntary movement starts in the: ANS cerebral cortex. (the correct answer)
9.Q: Which of the following is the process that allows a muscle spindle
to contract at the same rate as the muscle where it resides
ANS Alpha-gamma co-activation (the correct answer)
10.Q: How many nerves are contained within the peripheral nervous system, which includes all the neurons and glia outside of the brain and spinal cord?-
: ANS 43 pairs (the correct answer)
11.Q: The muscular system includes how many muscles
ANS Approximately 650 (the correct answer)
12.Q: Which muscle fiber type are the largest, and produce the most amount of force
ANS Type IIx (the correct answer) .Q: The cross-bridge cycle requires energy, which is provided by: ANS ATP hy- drolysis. (the correct answer)
14.Q: The function of epimysium is to: ANS protect muscle from friction against other muscles or bone. (the correct answer)
15.Q: With regard to mitochondrial density, which muscle fiber type has a very small amount of mitochondria
ANS Type IIx (the correct answer)
16.Q: Regarding the make-up of a person's muscle fiber ratio, which of the
following is correct
ANS It can't be changed to a large degree (the correct answer)
17.Q: It is currently theorized that training with heavy loads causes: ANS
equal growth of type I and type II fibers. (the correct answer)
18.Q: Which of the following functions like girdles and guy wires to provide an interconnected structure
ANS Fascia (the correct answer) .Q: Current research demonstrates what three possible mechanisms
for inducing hypertrophy
ANS Mechanical tension, metabolic stress, muscle damage (the correct answer)
20.Q: The functional units that can make a muscle shorten are:: ANS
Sarcomeres (the correct answer)
21.Q: Which of the following is found within the appendicular skeleton
ANS -
Bones of the upper and lower extremities (the correct answer)
22.Q: Movement between two adjacent vertebrae is made possible by:
ANS facet joints. (the correct answer)
23.Q: Wolff's Law describes the way: ANS the body responds by increasing or de- creasing the bone's diameter (the correct answer)
24.Q: In addition to being a barrier to pain, what important role does cartilage play
ANS Bone development (the correct answer)
25.Q: Which of the following are mature bone cells that maintain a bone's matrix
ANS Osteocytes (the correct answer)