Red light has a longer wavelength than blue light. Will red light have a higher or lower energy content than blue light?
a) higher
b) lower
Ans: b) lower
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Overproduction of the mineralocoticoid ______ causes excessive water retention
a. cortisol b. aldosterone c. epinephrine d. catecholamine e. ADH
Respond to statements 130–134 with reference to the five
vitamins listed below. a. Vitamin B1 b. Vitamin B2 c. Niacin d. Vitamin B6 e. Vitamin B12 D 130. This vitamin is a coenzyme involved in amino acid metabolism and is obtained from meats. D 131. This vitamin functions in connective tissue formation. M 132. This vitamin functions in coenzyme action. M 133. A deficiency of this vitamin causes pellagra. D 134. A deficiency of this vitamin causes pernicious anemia and neurological disorders.
Which of the following is the correct sequence of events in an action potential after stimulation of a neuron?
a. K+ move sin; Na+ moves out. b. Na+ moves in; K+ moves out. c. Na+ moves in; Ca++ moves out. d. Na+ moves in; Cl- moves out. e. K+ moves in; organic anions move out.
Motor or ____________ neurons transmit nerve impulses away from the CNS.
a) afferent b) efferent c) central d) peripheral