Which of the following is not a function of the mucus-lined nasal passages?
A. Entrapping small particles
B. Cooling exhaled air
C. Moistening inspired air
D. Warming inspired air
Answer: B
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During its embryological development, the autonomic nervous system forms from
A. neural tube cells. B. neural crest cells. C. both neural tube cells and neural crest cells.
The blood-brain barrier consists of
A) a sheet of muscle tissue that separates the brain from the skull. B) aligned blood cells. C) capillaries joined by desmosomes that are closer together than they are elsewhere. D) capillaries whose cells are firmly attached by overlapping tight junctions surrounded by astrocytes.
Air enters from the buccal cavity into the lungs of
a. amphibians. b. mammals. c. birds. d. reptiles. e. none of these.
Acclimatization to a hot environment includes which of these physiological changes?
A. Increased volume and decreased salt concentration of sweat from the sweat glands B. Decreased volume and increased salt concentration of sweat glands C. Decreased volume and salt concentration of sweat from the sweat glands D. A decrease in the set point temperature regulated by the hypothalamus E. Increased volume and salt concentration of sweat from the sweat glands