The testicles belong to which two systems?
A. Endocrine and excretory
B. Reproductive and excretory
C. Reproductive and lymphatic
D. Reproductive and endocrine
Answer: D
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Antagonistic control of efferent output is typical of the ________ division.
A) autonomic B) somatic and autonomic C) sensory D) somatic E) somatic and sensory
Proprioception is defined as:
A) a person's ability to sense light touch. B) the loss of thermoregulatory function distal to an injury. C) a person's awareness of pain and the ability to localize it. D) the ability to perceive the position and movement of one's body.
Which is one of the major inhibitory neurotransmitters in the CNS?
A. Glutamate B. Gamma-aminobutyric acid (GABA) C. Beta-endorphin D. Norepinephrine E. Dopamine
What is released from axon terminals to stimulate a muscle fiber to contract?
A. Troponin B. Acetylcholine C. Calcium ions D. ATP