CORRECT Answers
1. Q: What is the neural circuitry that travels out- Peripheral nervous system (the cor-
side the spinal cord? rect answer)
2. Q: Which of the following is a sensory receptor Muscle spindle (the correct answer)
within a muscle that detects changes in length
and helps regulate contraction?
3. Q: Which of the following are branches of the Dendrites (the correct answer)
cell body that act as receivers, collecting infor-
mation from other neurons?
4. Q: A cascade of events, resulting in muscle con- Acetylcholine (the correct answer)
traction, is triggered when which of the follow-
ing chemical neurotransmitters binds to recep-
tors on the muscle?
5. Q: Which division of the peripheral nervous sys- Somatic nervous system (the correct
tem controls voluntary movement? answer)
6. Q: Which type of motor unit can contract for Slow (S) of Motor Unit (the correct
many hours, or even days if necessary? answer)
7. Q: Which type of motor unit has a large motor Fast fatigable (FF) (the correct an-
neuron and consists of a large bundle of type swer)
IIx muscle fibers?
8. Q: Voluntary movement starts in the cerebral cortex. (the correct answer)
9. Q: Which of the following is the process that Alpha-gamma co-activation (the
allows a muscle spindle to contract at the same correct answer)
rate as the muscle where it resides?
,10. Q: How many nerves are contained within the 43 pairs (the correct answer)
peripheral nervous system, which includes all
, the neurons and glia outside of the brain and
spinal cord?
11. Q: The muscular system includes how many Approximately 650 (the correct an-
muscles? swer)
12. Q: Which muscle fiber type are the largest, and Type IIx (the correct answer)
produce the most amount of force?
13. Q: The cross-bridge cycle requires energy, ATP hydrolysis. (the correct answer)
which is provided by
14. Q: The function of epimysium is to protect muscle from friction against
other muscles or bone. (the correct
answer)
15. Q: With regard to mitochondrial density, which Type IIx (the correct answer)
muscle fiber type has a very small amount of
mitochondria?
16. Q: Regarding the make-up of a person's muscle It can't be changed to a large degree
fiber ratio, which of the following is correct? (the correct answer)
17. Q: It is currently theorized that training with equal growth of type I and type II
heavy loads causes fibers. (the correct answer)
18. Q: Which of the following functions like girdles Fascia (the correct answer)
and guy wires to provide an interconnected
structure?
19. Q: Current research demonstrates what three Mechanical tension, metabolic
possible mechanisms for inducing hypertro- stress, muscle damage (the correct
phy? answer)