What percentage of the body is composed of water?
a. 50%
b. 60%
c. 80%
d. 90%
b.60%
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An important mechanism that affects varying drug action and metabolism is the:
A) GI tract effect B) intestinal effect C) first-pass effect D) toxic drug action
Answer the following statement(s) true (T) or false (F)
1. Nephrons are microscopic structures within the kidneys that filter blood, remove waste products, and form urine. 2. Nephrons consist of only a renal corpuscle. 3. Afferent arterioles bring blood to the tightly packed, increasingly narrow capillaries of the glomeruli, filtering the blood by forcing it through the capillary walls. 4. Tubular secretion is the first process of urine formation. 5. Urea and uric acid are waste products formed by the breakdown of proteins and nucleic acids, and the elimination of these waste materials assists in maintaining the body's acid-base balance.