HCG (human chorionic gonadotropin) maintains the corpus luteum until the placenta begins its own production of progesterone and estrogen.

a. true
b. false


Ans: a. true

Anatomy & Physiology

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What are the small passageways in compact bone that connect lacunae?

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Answer the following statement true (T) or false (F)

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Which of the following best describes the qualities of most antigens?

A) macromolecules that are produced by the host organism B) atomic elements that are not normally present in the human body C) macromolecules that are foreign to the host D) atomic elements that are harmful or toxic

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Which of the following is isotonic to red blood cells?

A) 0.9% NaCl solution B) 0.9% glucose solution C) Distilled water D) Alcohol

Anatomy & Physiology