The fluid that surrounds the cells is called:
a. plasma
b. interstitial fluid
c. intracellular fluid
d. none of the above
b. interstitial fluid
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Which of the following does not require energy expenditure?
a. net movement of potassium into the cell. b. net movement of sodium into the cell. c. iodine uptake by thyroid gland cells. d. transport of hydrogen ion into the stomach lumen in association with hydrochloric acid secretion during digestion of a meal e. both (b) and (d) above.
A long, unbranched polysaccharide found in the extracellular matrix of connective tissue is ________.
A. tropocollagen B. hyaluronic acid C. proteoglycan D. chondronectin
The white crescent at the proximal end of the nail is called the ____
a. lunula b. root c. nail bed d. medulla
Which organ has both a digestive function and an endocrine function?
A. Pancreas B. Gall bladder C. Liver D. All of the answers are correct.