________ is a waste product of muscle metabolism. 

A. Creatinine
B. Uric acid
C. Urea
D. Ammonia


Answer: A

Anatomy & Physiology

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Conflicting sensory information from visual and movement signals may cause

A) ringing in the ears. B) temporary deafness. C) difficulty hearing low tones. D) motion sickness. E) enhanced hearing.

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Identify the function(s) of NaHCO3 secreted by the pancreas?

a. Neutralization of acidic gastric contents emptied into the duodenum b. Prevention of irritation of the duodenal mucosa c. Active digestion of fat molecules into fatty acids d. Both a and b e. None of the above

Anatomy & Physiology

Which of the following is NOT a major opening into the right atrium?

A. Coronary sinus B. Inferior vena cava C. Pulmonary vein D. Superior vena cava

Anatomy & Physiology

Skin without keratin would be more likely to:

A) tear upon being mechanically stressed. B) lose the sensation of touch. C) be unable to thermoregulate. D) burn upon exposure to the sun.

Anatomy & Physiology