Biology Provincial- Excretory System[1]

Biology Provincial- Excretory System[1] - 43. Consuming...

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Unformatted text preview: 43. Consuming alcohol inhibits the release of a hormone, resulting in the production of dilute urine. This occurs because the alcohol is affecting the A. thyroid gland. B. adrenal cortex. C. adrenal medulla. D . posterior pituitary.-----ADH affects the reabsorption at the collecting duct 44. High salt concentration in the blood is detected by the A. glomerulus. B. hypothalamus. C. medulla oblongata. D. distal convoluted tubule. 45. Which of the following would cause increased water reabsorption by the kidneys? A. increased blood volume B. increased cardiac output C . decreased blood pressure D. decreased ADH secretion Use the following information to answer question 44. 1. proximal tubule 2. renal artery 3. collecting duct 44. Which of the following is the correct sequence of structures from highest to lowest concentration of urea? A. 2, 1, 3 B. 2, 3, 1 C . 3, 1, 2 D. 3, 2, 1 47. Which of the following metabolic wastes is excreted by the skin? A. Bile. B . Urea. C. Uric acid. D. Carbon dioxide. 50. Peptide hormones A. enter the cell by phagocytosis. B. bind to special receptor sites on the membrane. C. pass through the cell membrane with no difficulty. D. pass through the cell membrane by active transport. 44. Production of urea occurs in the A. skin. B. liver. C. lungs. D. kidneys. 46. The part of the nephron having the greatest glucose concentration is the A. loop of Henle. B. collecting duct. C . Bowmans capsule. D. distal convoluted tubule. 47. Plasma was analyzed from a student before and after a 50 km bicycle race and the results appear below. PLASMA SODIUM IONS GLUCOSE UREA Before 140 100 25 After 225 140 37 An increase in which of the following will help return plasma concentrations to normal levels? A. Thyroxin. B. Adrenalin. C . Antidiuretic hormone (ADH). D. Adrenocorticotropic hormone (ACTH). 44. Which of the following is not a characteristic of the glomerulus? A. It is composed of capillaries. B. It surrounds the Bowmans capsule. C. Its blood pressure promotes filtration. D. It is connected to arterioles at both ends. 55. Which of the following is produced by the liver as a result of the metabolism of nitrogenous wastes?...
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Biology Provincial- Excretory System[1] - 43. Consuming...

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