Air flow through the smaller bronchioles can be adjusted by varying the contractile activity of the smooth muscle within their walls
Indicate whether the statement is true or false
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The cell body of a neuron is also called a(n) __________.
A. neuroglia B. dendrite C. nerve fiber D. neurosoma
Before an olfactory receptor can detect an odorant, it has to
A) contact a basal cell. B) bind to receptors on olfactory dendrites. C) open ion channels. D) respond to applied pressure. E) be transported to the olfactory bulbs.
Loop diuretics reduce body water content by acting on the ________
A) feedback loop between the kidney and posterior pituitary gland B) countercurrent exchanger system C) countercurrent multiplier system D) thirst mechanism and water intake E) aquaporins of the collecting duct
As a result of the long refractory period, cardiac muscle cannot exhibit
A) tetany. B) treppe. C) recruitment. D) tonus. E) fatigue.