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| 1 | |
Which of the following is not a structure found in the urinary system? |
| | A) | ureters |
| | B) | kidney |
| | C) | pancreas |
| | D) | urethra |
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| 2 | |
The removal of metabolic wastes from the body is called __________ |
| | A) | secretion |
| | B) | defecation |
| | C) | excretion |
| | D) | maintenance |
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| 3 | |
Besides the excretion of metabolic wastes, which of these describes a vital function of the kidneys? |
| | A) | The kidneys maintain the water-salt balance of the body. |
| | B) | The kidneys regulate the blood's pH. |
| | C) | The kidneys assist the hormone system. |
| | D) | All of these are correct. |
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| 4 | |
Filterable blood components consist of ________. |
| | A) | water and salt |
| | B) | nitrogenous wastes |
| | C) | nutrients |
| | D) | All of these are correct. |
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| 5 | |
Individuals who need a kidney transplant usually must undergo an artificial treatment called ______ until a suitable kidney can be found. |
| | A) | hemodialysis |
| | B) | hemolysis |
| | C) | selective reabsorption |
| | D) | active transport |
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| 6 | |
The _______ conduct urine from the kidneys to the bladder. |
| | A) | loop of Henle |
| | B) | Bowmans capsule |
| | C) | urethra |
| | D) | ureters |
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| 7 | |
__________ is the primary nitrogenous end product of humans. |
| | A) | Ammonia |
| | B) | Uric acid |
| | C) | Urea |
| | D) | Creatine phosphate |
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| 8 | |
The kidneys will secrete the hormone to stimulate red blood cell production, _____________. |
| | A) | renin |
| | B) | aldosterone |
| | C) | erythropoietin |
| | D) | atrial natriuretic hormone |
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| 9 | |
In the urinary bladder, the ________ is under voluntary control. |
| | A) | external sphincter muscle |
| | B) | internal sphincter muscle |
| | C) | middle layer of circular fiber |
| | D) | urethral muscle |
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| 10 | |
The __________ extend(s) from the urinary bladder to an external opening. It is longer in males than in females. |
| | A) | ureter |
| | B) | prostate gland |
| | C) | urethra |
| | D) | glomerulus |
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| 11 | |
Another term for urination is _____. |
| | A) | erythropoietin |
| | B) | micturation |
| | C) | defication |
| | D) | urethritis |
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| 12 | |
The outer layer of the kidney is called the _____ and the inner layer of the kidney is called the ______. |
| | A) | renal medulla, renal cortex |
| | B) | renal cortex, renal medulla |
| | C) | renal pyramid, renal pelvis |
| | D) | renal pelvis, renal pyramid |
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| 13 | |
Blood pressure in the glomerular capillaries is: |
| | A) | lower than in other capillary beds |
| | B) | higher than in other capillary beds |
| | C) | responsible for maintaining filtration |
| | D) | higher than in other capillary beds and is responsible for maintaining filtration |
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| 14 | |
Nephrons in the kidneys filter as much as _______ a day. |
| | A) | 180 milliliters |
| | B) | 180 liters |
| | C) | 400 milliliters |
| | D) | 50 liters |
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| 15 | |
In diabetes mellitus, excess __________ occurs in the blood. |
| | A) | protein |
| | B) | fat |
| | C) | glucose |
| | D) | amino acid |
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| 16 | |
What factor is involved in the regulation of salt balance, and thus blood volume and pressure, in the body? |
| | A) | juxtaglomerular apparatus |
| | B) | aldosterone |
| | C) | renin |
| | D) | All of the above. |
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| 17 | |
_______________ are chemicals that increase the flow of urine. |
| | A) | Emetics |
| | B) | Diuretics |
| | C) | Nephritics |
| | D) | Antibiotics |
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| 18 | |
When excess glucose is excreted in the urine, it is most likely due to: |
| | A) | eating too many sweets |
| | B) | kidney failure |
| | C) | more glucose in the filtrate than the transport proteins can handle |
| | D) | None of the choices are correct. |
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| 19 | |
Benign prostatic hyperplasia: |
| | A) | is prostate cancer |
| | B) | involves enlargement of the prostate, affecting the urethra |
| | C) | must be treated with surgery |
| | D) | occurs in both men and women |
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| 20 | |
To maintain homeostasis, the kidney excretes and reabsorbs the following ions as needed: __________. |
| | A) | bicarbonate |
| | B) | potassium |
| | C) | calcium |
| | D) | sodium |
| | E) | All of these are correct. |
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