A yellow pigment derived from plants that can impart a yellow color to the skin is ________.

A. carotene
B. elastin
C. melanin
D. collagen
E. keratin


Answer: A

Anatomy & Physiology

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If heart rate decreases, what happens to blood pressure?

A) It increases B) It depends on other conditions C) It decreases D) Nothing

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The shape of skeletal muscle cells is described as

A.  columnar. B.  biconcave. C.  cylindrical. D.  spherical. E.  irregular.

Anatomy & Physiology

If the tubular transport maximum (Tm) value for the amino acid, valine is 120 mg/min and the blood level is 240mg/ml, this amino acid will be:

a. Completely reabsorbed by the proximal convolued tubule b. Actively secreted by the proximal convolued tubule c. Excreted in the urine d. Broken down by the liver

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Which predisposing factor refers to the sex of an individual?

A. Lifestyle B. Gender C. Age D. Environment

Anatomy & Physiology