Which of the following are considered trace minerals?
a. Copper
b. Selenium
c. Manganese
d. All of the above
d
RATIONALE: Copper, selenium, and manganese are all trace minerals.
Health Professions
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Which of the following would lead to an increase in bone strength?
A) Weight bearing exercise B) Being bedbound C) Immobilization in a cast D) Astronauts in weightless conditions
Health Professions
The arterial-to-end-tidal CO2 and the arterial-to-maximum expiratory partial pressure of carbon dioxide (PCO2) gradients are both elevated and equal to each other. This finding is consistent with:
a. chronic obstructive pulmonary disease. b. left-sided heart failure. c. esophageal intubation. d. pulmonary embolism.
Health Professions