A patient who has had a severe hemorrhage accidentally receives a large transfusion of distilled water directly into a
major blood vessel. What effect will this have on the patient?
a. It will have no unfavorable effect as long as the water is free of bacteria.
b. It will have serious, perhaps fatal consequences because there would be too much fluid to pump.
c. It will have serious, perhaps fatal consequences because the red blood cells could shrink.
d. It will have serious, perhaps fatal consequences because the red blood cells could swell and burst.
e. It will have no serious effect because the kidney could quickly eliminate excess water.
d
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Fluid that collects in tissues is returned to the bloodstream by the
A. excretory system. B. digestive system. C. lymphatic system. D. vascular system. E. endocrine system.
The United States is most likely to have a pyramid-shaped age structure because it has more older individuals than young ones.
a. In West Africa b. In Southeast Asia c. In Western Europe d. In the Middle East
The spermatogonium is cell number
a. 2. b. 3. c. 4. d. 5. e. 6.
Two proteins, Rag-1 and Rag-2, catalyze VDJ recombination. What is the likely outcome of a deletion of the Rag genes?
A. mild susceptibility to infection due to T cell defects B. increased antibody diversity from B cells C. severe combined immunodeficiency (SCID) of both B and T cells D. increased resistance to infection due to enhanced B and T cell function Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the VDJ segments? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?