Which of the following muscle cells has the smallest diameter?
A) skeletal
B) cardiac
C) smooth
D) all the same
Ans: C) smooth
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List three factors that increase the rate of chemical reactions
What will be an ideal response?
The location of conscious thought processes and the origin of all complex intellectual functions is the
A. cerebellum. B. pons. C. hypothalamus. D. corpus callosum. E. cerebrum.
The regulation of sodium ________.
A) is due to specific sodium receptors in the hypothalamus B) is linked to blood pressure C) involves aldosterone, a hormone that increases sodium excretion in the kidneys D) involves hypothalamic osmoreceptor detection of ion concentration
Which example fits? "A sensation is ________ , and projection of a sensation is ________."
A. a Pacinian corpuscle being stimulated to generate an action potential upon stretch stimulation; the transmission of that impulse into the brain B. a change in membrane permeability of a receptor; transmission of an impulse into a sensory area of the brain C. nociceptors sending pain signals about tissue damage from a bee sting on your finger; the brain recognizing that the pain is from your finger D. the sweet taste of ice cream on your tongue; the right side of the brain projecting the sweet taste to the left side, or vice versa