According to the Fick principle, if O2 consumption remains constant, an increase in cardiac out-put will manifest itself as which of the following?

a. Decrease in the CaO2 – CO2.
b. Increase in the CaO2.
c. Increase in the CaO2 – CO2.
d. Decrease in the CO2.


ANS: A
If the cardiac output rises and O2 consumption remains constant, the C(a–)O2 will fall propor-tionately.

Health Professions

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Teratogenic refers to the:

A) effects of a drug on the developing fetus. B) decreased ability of the elderly to metabolize drugs. C) potential of a drug to cause cancer. D) likelihood of multiple births as a drug side effect.

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When an office manager brings in an objective third person to help resolve a disagreement between two employees, this is called a/an

A) team approach. B) mediation approach. C) advisory approach. D) direct approach.

Health Professions

Which of the following is NOT a medication that should be used cautiously in elderly patients

Estrogens, with or without progestins Anticholinergics Benzodiazepines Tetracycline or erythromycin

Health Professions

You are treating a construction worker who has been assembling large, iron girders with a torch. It is very warm where you are treating the patient. Suddenly, he experiences a severe cramp to his shoulder region. This has probably occurred because the patient:

A) may have dislocated his shoulder during the activity. B) lost both water and sodium in his sweat. C) is probably not strong enough to maneuver the iron girders. D) was not sweating enough to keep him cool.

Health Professions