Certain proteins act as buffers in the blood. In this role they are responsible for:
a. providing immunity from foreign substances that invade the body.
b. making sure that sodium is transported outside the cells
c. ensuring that too much fluid in the cells doesn't cause edema.
d. picking up and releasing hydrogens in the blood to balance its pH.
e. ensuring that blood glucose is maintained within a specific range.
d
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In which phase of a woman's life cycle is bone loss the greatest?
A) pregnancy B) lactation C) menopause D) puberty
Which of the following statements is true?
A. According to nutrition experts, junk foods have no nutritional value. B. Strawberries are an energy-dense food. C. Most naturally occurring foods contain more than one nutrient. D. Milk, bananas, and soybeans are among the few nutritionally perfect foods for humans.
When plant proteins are compared to animal proteins, they ________.
A. are equal in quality so long as they are not overcooked B. are usually superior in their array of essential amino acids C. usually have equal quantities of essential amino acids D. are usually deficient in one or more essential amino acids
Severe obesity is defined as a BMI ? 40
a. True b. False Indicate whether the statement is true or false