Explain why glucose or other simple sugars should NOT be the sole source of energy in our diets. What is the best approach to meeting energy needs?
What will be an ideal response?
Given that glucose only meets energy rather than other essential nutrient needs, a person consuming only glucose
would die of malnutrition. A mixture of fats, proteins, simple sugars, and complex carbohydrates optimizes the
storage, nutrient, and caloric needs of the various organ systems. Glucose requires a relatively large amount of
water for hydration and a large amount of space for storage. Glycogen is more compact, and fat is the most compact
and efficient means of energy storage.
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What role does angiotensin II play in restoring blood pressure to normal?
A) Angiotensin II promotes tubular reabsorption of sodium from the filtrate. B) Angiotensin II promotes tubular reabsorption of both sodium and water from the filtrate. C) Angiotensin II causes blood vessels to vasoconstrict. D) Angiotensin II promotes tubular reabsorption of water from the filtrate. E) Angiotensin II causes blood vessels to vasodilate.
The steps in the process of appositional growth of cartilage are a: New matrix is produced and secretedb: Chondrocytes differentiate, each in its own lacunac: Stem cells undergo mitosisd: Committed cells differentiate into chondroblastsThe correct chronological order for these steps is
A. a - c - d - b B. d - c - b - a C. a - c - b - d D. c - d - a - b E. c - d - b - a
List 3 items that can be used to clot bleeding nails
What will be an ideal response?
Which portion of the brainstem is continuous with the spinal cord?
A. Cerebral peduncles B. Pons C. Thalamus D. Medulla oblongata E. Midbrain