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Unit 3 Chapter 23
Quiz
| Question | Answer |
|---|---|
| A by-product of protein catabolism, __________blank constitutes approximately one-half of all nitrogenous waste. | urea |
| Which of the following correctly traces blood flow from the renal artery into the renal cortex? | Segmental a. → interlobar a. → arcuate a. → cortical radiate (interlobular) a. |
| Which of the following would reduce the glomerular filtration rate? | Vasoconstriction of the afferent arteriole |
| The __________blank innervation of the kidneys reduces urine production, while the function of its __________blank innervation is unknown. | sympathetic; parasympathetic |
| The __________blank is not an organ of the urinary system. | liver |
| Which organ system does not excrete waste? The urinary system The cardiovascular system The integumentary system The digestive system The respiratory system | The cardiovascular system |
| Aldosterone acts on the __________blank. | distal convoluted tubule |
| Which two substances are most useful for determining a patient's glomerular filtration rate? | Inulin and creatinine NOT insulin |
| True or False: Glomerular capillaries suffer little damage from hypertension because of the protective influence of the afferent arterioles. | False Hypertension ruptures glomerular capillaries and leads to scarring of the kidneys |
| The innermost connective tissue layer protecting the kidney and assisting in staving off infection is known as the __________blank. | fibrous capsule |
| Total saturation of protein transporters for a given solute in the renal tubules would result in __________blank. | appearance of that solute in the urine |
| Which organ system excretes nitrogenous wastes? | The urinary system |
| Which of the following correctly traces blood flow from the renal cortex to the renal vein? | Interlobar v. → arcuate v. → cortical radiate (interlobular) v. → renal v. |
| Micturition is another term for __________blank. | the elimination of urine |
| The __________blank muscle is located in the urinary bladder. | detrusor |
| True or False: The ureters pass anterior to the bladder and enter it from below. | False |
| The pigment responsible for the color of urine is called __________blank. | urochrome |
| The major calyces merge to form a single, funnel-shaped __________blank. | pelvis |
| True or false: Alcohol stimulates the secretion of ADH, thereby reducing reabsorption by the collecting duct. | False |
| A patient enters a hospital after a motorcycle accident. He complains of mid-back pain. X-rays reveal both rib and pelvic fractures. His emergency room examination includes urinalysis. | Which of the following findings from the urinalysis would most likely suggest trauma to the kidneys from the accident, but not to the urinary bladder? Albuminuria |