Which of the following is NOT a stimulus for breathing?
A) rising blood pressure
B) arterial PO2 below 60 mm Hg
C) acidosis resulting from CO2 retention
D) rising carbon dioxide levels
A
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Which of the following is a chemical barrier type contraceptive?
A. Coitus interruptus B. Diaphragm C. Spermicidal cream D. Intrauterine device
Which system contains short preganglionic axons that branch extensively?
A. Parasympathetic nervous system B. Somatic nervous system C. Sympathetic nervous system
What causes the flow of lymph to slow within lymph nodes?
A) There are more afferent vessels than efferent vessels. B) Valves at the exit site regulate lymph flow, allowing only small amounts out at a time. C) Afferent vessels contract, restricting lymph flow. D) Afferent vessels are much larger in diameter than efferent vessels.
Select all that apply. The limbic system includes theA) amygdaloid body.B) parahippocampal gyrus.C) Broca area.D) olfactory cortex.
What will be an ideal response?