What type of neural circuit is best for producing a prolonged output?
A) A converging circuit
B) A reverberating circuit
C) A presynaptic pool
D) A diverging circuit
E) An autonomic pool
B
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The muscle(s) that adduct(s) the humerus is/are the
A) coracobrachialis. B) deltoid. C) trapezius. D) latissimus dorsi. E) coracobrachialis and latissimus dorsi.
Identify the cranial nerves NOT involved in carrying taste information from the tongue into the CNS
A) hypoglossal nerves (CN XII) B) facial nerves (CN VII) C) glossopharyngeal nerves (CN IX) D) vagus nerves (CN X)
At rest, a normal person breathes about ________ times per minute.
A. 8 B. 32 C. 26 D. 50 E. 12
Which of the following statements regarding contraction in skeletal and smooth muscle is TRUE?
A. In skeletal muscle, calcium initiates contraction by binding to myosin light-chain kinase, while in smooth muscle calcium initiates contraction by binding directly to tropomyosin. B. In skeletal muscle, calcium initiates contraction by binding to troponin, while in smooth muscle calcium initiates contraction by binding to calmodulin. C. In skeletal muscle, calcium ions bind to a regulatory protein on thin filaments; in smooth muscle, calcium ions bind to a regulatory protein on thick filaments. D. In skeletal muscle, calcium initiates contraction by binding to troponin, while in smooth muscle calcium initiates contraction by binding directly to myosin. E. All of the choices are true.