Jane donates a pint of blood to a blood bank. A few minutes later, which of the following would be increased compared to pre-donation values?
A. her stroke volume and total peripheral resistance
B. her heart rate and total peripheral resistance
C. her heart rate and mean arterial pressure
D. the percentage of her cardiac output flowing to her kidneys
E. the blood flow to her brain
B
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Polyphenism is a type of phenotypic plasticity that
A) can be easily reversed when necessary. B) occurs only when adults are exposed to certain environmental factors. C) is also called developmental plasticity. D) all of the above
Ronnie files a suit in a state court against Sheri. The case proceeds to trial, after which the court renders a verdict. If either party appeals, the clerk of the trial court will send to the clerk of the appellate court within a prescribed pe¬riod of time
a. a brief including the arguments of both parties. b. a copy of the record on appeal. c. an explanation for the verdict. d. a statement of the grounds for reversal.
In the first pregnancy of an Rh-negative mother with an Rh-positive child, why are there usually NO symptoms of erythroblastosis fetalis?
a. antibodies from the mother's blood cannot cross over to the child b. the immune system of first child develops faster than that of the second or later children c. blood between mother and child does not mix until birth d. none of the listed responses are correct
The process of coating an antigen with antibodies to make it more susceptible to phagocytosis is called:
A. Opsonization B. Self tolerance C. Anergy D. Clonal selection E. Chemotaxis