The most abundant nitrogenous waste in urine is ________.

A. ammonia
B. creatinine
C. uric acid
D. urea


Answer: D

Anatomy & Physiology

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The placenta plays an important role in

A. insulating the fetus. B. provision of nutrients to the fetus. C. onset of lactation. D. beginning of parturition. E. implantation.

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Lack of intrinsic factor leads to

A. pernicious anemia. B. gall stones. C. gastric ulcers. D. heartburn. E. None apply.

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Which one of the following is an extension of plasma membrane?

A) centrioles B) centromeres C) microfilaments D) cilia E) microtubules

Anatomy & Physiology

Which of the following is the muscular action that moves a part of the body away from its median plane?

A) abduction B) adductin C) pronation D) supination

Anatomy & Physiology