A hormone has a half-life of 20 minutes. After an hour, ________ percent of the original number of molecules remains.

A. 12.5
B. 50
C. 0
D. 25


Answer: A

Anatomy & Physiology

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The ____________________ association area is the part of the brain that "thinks."

Fill in the blank(s) with correct word

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The physical movement or pushing of food along the digestive tract is called ____

a. absorption b. peristalsis c. defecation d. digestion

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All of the following decrease overall cardiac function except

a. acetylcholine. b. NE c. afterload. d. parasympathetic activity. e. vagal activity.

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Which of the following would decrease capillary filtration?

A. Dietary protein deficiency B. Dehydration C. Obstructed venous return D. Increased capillary permeability E. Increased permeability of lymphatic capillaries

Anatomy & Physiology