What are the air passages beneath the conchae that create turbulence within the nasal cavity called?
A. Choanae
B. Nares
C. Meatuses
D. Conchae
E. Fossae
Answer: C
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During mastication, the tongue is limited in its movement by its attachment to the
A. hard palate. B. uvula. C. soft palate. D. fauces. E. lingual frenulum.
The concentration neurotransmitters in the fluid of the synaptic cleft must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for aiding in this regulation?
A) satellite cells B) astrocytes C) Schwann cells D) oligodendrocytes
Perspiration cools the body by ________
A) the retention of water from merocrine sweat glands on the surface of the skin B) the evaporation of water from apocrine sweat glands on the surface of the skin C) the retention of water from apocrine sweat glands on the surface of the skin D) the evaporation of water from merocrine sweat glands on the surface of the skin
What is responsible for the phenomenon in skeletal muscle known as muscle tone?
A. the passive elastic properties of muscles and joints and some degree of alpha motor neuron activity B. spontaneous entry of calcium into the cytosol and the background phosphorylation of cross-bridges C. depletion of ATP in some individual muscle fibers, and the inability for cross-bridges to detach D. cross-bridges that continuously cycle, even in the absence of cytosolic Ca2+ E. a buildup of K+ in the T-tubules and resulting depolarization of the sarcolemma