Substances that are reabsorbed or secreted in the ascending loop include ________.
A) Potassium B) Chloride
C) Sodium D) All of the above
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Question 2) Which part of the renal tubular system reabsorbs or secretes the most substances?
A) Collecting duct B) Distal Tubule
C) Descending loop D) Proximal Tubule
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Question 3) Urinary tract infections are often caused by ________ bacteria in the urinary tract.
A) Intestinal B) Abdominal C) Fecal D) Symbiotic
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Question 4) New research has shown that urination is actually controlled by the ________.
A) Bladder B) Pons C) Kidney D) Ureters
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Question 5) Which steroid is secreted by the adrenal cortex to increase reabsorption of sodium ions?
A) Angiotensin B) Adrenalin
C) Antidiuretic hormone D) Aldosterone
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Question 6) Hormones that regulate blood pressure also affect ________.
A) Ureters and urethra B) Reabsorption and secretion
C) Number of nephrons D) Permeability of glomerular capsule
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Question 7) What is the most common cause of prolonged vasoconstriction in the kidney?
A) Decreased blood pressure B) Antidiuretic hormone
C) Increased blood pressure D) Diabetes mellitus
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Question 8) The first section of the nephron loop glomerular filtrate encounters is the ________.
A) Proximal tubule B) Descending loop
C) Distal tubule D) Ascending loop
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Question 9) Anything that will affect reabsorption and secretion in the kidney will affect urine ________.
A) Chemistry B) Accumulation C) Flow D) Filtration
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Question 10) If blood pressure drops below normal range, what should happen to glomerular filtration rate, to compensate?
A) It should stay the same B) It should increase
C) It depends on the situation D) It should decrease
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