What is an advantage of the electron microscope over the compound light microscope?
A) It can function in complete darkness.
B) It is older, more reliable technology.
C) It is less expensive.
D) It allows much greater magnification of a specimen.
E) It is portable.
D
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The inner lining of blood vessels is called
A) endoangium. B) endostatin. C) endothelium. D) basal lamina. E) endocardium.
During respiratory compensation for metabolic alkalosis,
a. breathing becomes shallower b. breathing becomes slower c. CO2 levels in the body decrease d. both a and b occur e. both b and c occur
In a negative feedback loop, a change from a set point _____.
helps to maintain homeostasis occurs in all negative feedback mechanisms can be the result of positive feedback mechanisms never occurs in the body
Which of the following is NOT true of the female sexual response?
A. The Bartholin glands secrete mucus for lubrication. B. Breasts swell and nipples become erect. C. A refractory period follows orgasm. D. The clitoris can engorge with stimulation.