Which of the following is the correct equation for calculating cardiac output?
A. CO = HR+ SV
B. CO = HR - SV
C. CO = HR/SV
D. CO = HR x SV
Answer: D
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Which of the following pairs describing structures of teeth is mismatched?
A. Pulp cavity - cementum B. Crown - enamel C. Alveoli - periodontal ligament D. Root - root canal E. Apical foramen - blood supply
The return of a contracted muscle fiber to its resting length is an active (energy requiring) process.
Answer the following statement true (T) or false (F)
The term down-regulation refers to the process by which
A. a glandular cell decreases the amount of hormone it secretes. B. a large amount of hormone shuts down all metabolic activity in a target cell. C. a cell decreases the number of receptors it has for a hormone. D. a carrier protein increases the rate of degradation for a hormone and thereby decreases its blood concentration. E. a carrier protein decreases the rate of degradation of the protein it ferries.
What type of energy is released in a decomposition reaction?
-potential -kinetic -electrical -mechanical