Blood pressure is monitored by (the)
A) carotid sinus.
B) aortic sinus.
C) baroreceptors.
D) All of the answers are correct.
E) None of the answers are correct.
D) All of the answers are correct.
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Which of the following leads to an increase in the ratio of LDL cholesterol to HDL cholesterol?
A. Exercise B. Weight reduction C. Cigarette smoking D. Estrogens E. All of these increase the LDL:HDL ratio.
Superimposed on the basic negative-feedback control system are two additional factors that influence plasma cortisol concentrations:
a. gluconeogenesis and hypertension b. diurnal rhythm and stress c. high blood sugar levels and stress d. low blood sugar levels and stress e. diurnal rhythm and hypertension
Which of the following could result from an overly zealous exercise program?
A. Polycythemia B. Hypoplastic anemia C. Mononucleosis D. Leukopenia E. Leukocytosis
Platelets release this substance, which contributes to vascular spasms.
A. ADP B. Prothrombin C. Serotonin D. Factor III