Exam 26: Urinary System

Trace the path of a red blood cell from the renal artery to the glomerulus. (1) Interlobar artery (2) Interlobular artery (3) Segmental artery (4) Arcuate artery (5) Afferent arteriole

Arrange the following structures in correct sequence for urine flow. (1) Ureter (2) Renal pelvis (3) Calyx (4) Urinary bladder (5) Urethra

The renal papillae extend into the ________.

Smooth muscle cells in the walls of the afferent and efferent arterioles dilate or constrict as needed in response to changes in blood pressure. This process of autoregulation is called the ________.

Which part of the urinary bladder expands very little during bladder filling?

The proximal convoluted tubule is

Which of the following induces renin secretion, constricts afferent arterioles, and reduces GFR and urine volume?

Starting from the collecting duct, indicate the order in which urea molecules move to maintain the medullary concentration gradient. (1) Ascending limb (2) Distal convoluted tubule (3) Interstitial fluid (4) Collecting duct (5) Descending limb

Passage of proteins into Bowman capsule is prevented by

The inner layer of Bowman capsule consists of specialized cells called ________.

Filtrate reabsorption that occurs regardless of the concentration and volume of urine produced is referred to as ________.

Which muscle is responsible for contraction of the urinary bladder during micturition?

Which of the following pressures tends to force fluid from the glomerulus through the filtration membrane into Bowman capsule?

Drug companies use which of the following to help them calculate the duration of action of a medication?

If the following hypothetical conditions exist in the nephron, calculate the net filtration pressure. Glomerular capillary pressure = 80 mmHg Blood colloid osmotic pressure = 20 mmHg Capsular hydrostatic pressure = 10 mmHg

Aldosterone exerts its effect on the kidney tubules by

Consumption of alcohol increases urine production by

The part of the cardiac output that passes through the kidneys is the ________.

Which renal structure is responsible for producing hypertonic urine by reabsorbing water while allowing metabolic wastes and NaCl to pass through?

Which of the following would help maintain the medullary concentration gradient?