Cardiac output equals the
A. end diastolic volume minus end systolic volume.
B. blood pressure multiplied by heart rate.
C. heart rate multiplied by stroke volume.
D. stroke volume divided by heart rate.
E. cardiac reserve minus the stroke volume.
C
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During starvation,
A) carbohydrate utilization increases. B) gluconeogenesis ceases. C) there is a decline in circulating ketone bodies. D) muscle proteins are used as an energy source. E) carbohydrate reserves maintained by metabolizing inorganic compounds.
Platelet plugs do not grow excessively because of plasmin release by normal endothelial cells
Indicate whether the statement is true or false
Chewing increases which of the following secretions?
a. salivary secretion. b. gastric secretion. c. pancreatic secretion. d. both (a) and (b) above. e. all of these answers.
A membrane permeable only to Na+ separates two compartments containing Na2SO4 as shown below
Electrodes are placed in both compartments and a voltage applied (compartment A is held at 0 mV). What voltage applied to compartment B would result in NO net movement of Na+ across the membrane separating the compartments? A. –60 mV B. –30 mV C. 0 mV D. +30 mV E. +60 mV