Urinalysis and Body Fluids: Ch 4 Questions With Solutions

Urinalysis and Body Fluids: Ch 4 Questions
With Solutions

The fluid leaving the glomerulus has a specific gravity of? 1.010




For the active transport to occur, a chemical must? Combine with a carrier protein to

create electrochemical energy




Which of the tubules is impermeable to water? Ascending loope of henle




Glucose will appear in urine when the? -blood level of glucose is 200mg/dL


-Tm for glucose is reached

-Renal threshold for glucose is exceeded




Concentration of the tubular filtrate by the countercurrent mechanism depends on all of the

following except? reabsorbption of water in the descending loop of henle




ADH regulates the final urine concentration by controlling? tubular permeability

, Urinalysis and Body Fluids: Ch 4 Questions
With Solutions
Decreased production of ADH? produces a high volume of urine




Bicarbonate ions filtered by the glomerulus are returned to the blood? -in the proximal

convoluted tubule

- combine with hydrogen ions

-by tubular secretion




If ammonia is not produced by the distal convoluted tubule, the urine pH will be? basic




beta2-microglobulin is a ________________ clearance substances. endogenous




Creatinine is a ________________ clearance substance. endogenous




Cystatin C is a ___________________ clearance substance. endogenous




125I-iothalamate is a ___________________ clearance substance. exogenous