Test 3 BSC 2086 Exam Questions and Answers

Test 3 BSC 2086 Exam Questions and Answers 1) About two-thirds of the body fluid is within cells and is termed ________ fluid. A) intracellular B) intercellular C) extracellular D) interstitial E) vital - Answer️️ -intracellular 2) Intracellular fluid (ICF) is found only within A) blood vessels. B) lymph. C) the cells of the body. D) the interstitial space. E) the cerebrospinal fluid. - Answer️️ -the cells of the body. 3) Substances that can carry electrical current across cell membranes are called A) electrons. B) electrolytes. C) nonelectrolytes. D) osmoregulators. E) buffers. - Answer️️ -electrolytes. 4) Which hormone stimulates the thirst mechanism? A) ADH B) aldosterone C) BNP D) ANP E) epinephrine - Answer️️ -ADH 5) In an adult female, the body consists of about ________ percent water. A) 60 B) 50 C) 40 D) 70 E) 80 - Answer️️ -50 6) All of the following are components of ECF, except A) cerebrospinal fluid. B) peritoneal fluid. C) lymph. D) aqueous humor. E) RBCs. - Answer️️ -RBCs 7) The extracellular fluid (ECF) consists of the A) plasma. B) interstitial fluid. C) cerebrospinal fluid. D) lymph. E) All of the answers are correct. - Answer️️ -All of the answers are correct. 8) In a lean adult male, the body consists of about ________ percent water. A) 60 B) 90 C) 40 D) 10 E) 80 - Answer️️ -60 9) The principal cation in intracellular fluid is A) sodium. B) potassium. C) calcium. D) magnesium. E) chloride. - Answer️️ -potassium 10) Which of the following will stimulate thirst? A) drying the mucosa of the mouth and pharynx B) angiotensin II acting on the hypothalamus C) an increase in the osmotic pressure of interstitial fluid within the hypothalamus D) stimulation of osmoreceptors E) All of the answers are correct. - Answer️️ -All of the answers are correct. 11) The ions in highest concentration in the intracellular fluid