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 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
Anatomy & Physiology
Which predisposing factor refers to the sex of an individual?
A. Lifestyle B. Gender C. Age D. Environment
Anatomy & Physiology
The shape of skeletal muscle cells is described as
A. columnar. B. biconcave. C. cylindrical. D. spherical. E. irregular.
Anatomy & Physiology
If heart rate decreases, what happens to blood pressure?
A) It increases B) It depends on other conditions C) It decreases D) Nothing
Anatomy & Physiology