Which two ions are the most abundant in plasma?
a. HCO3
? and Ca2+
b. HCO3
? and Cl?
c. Na+ and Ca2+
d. Na+ and Cl?
e. Na+ and K+
D
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Which of the following is a disadvantage of living in social groups?
a. disease transmission b. interspecific competition c. coevolution d. communication
Which hormone acts to decrease sodium retention in response to elevated blood pressure?
a. ANP b. ADH c. vasopressin d. thymosin e. androgens
The direct effect is more likely to occur with:
a) High LET radiation b) Low LET radiation c) Main chain scission d) Aberrations
Lucy, a new Army recruit, stood in formation for long periods of time without moving an inch. She eventually became lightheaded and fainted because her blood pressure dropped. What might have caused her blood pressure to drop?
What will be an ideal response?