Bio 224A Urinary quiz

Question 1

Which of the following substances is released by the juxtaglomerular cells?

Answer 1

Renin

Question 2

patient was given a drug that inhibits the reabsorption of sodium (Na+) in the proximal tubule, the patient will most likely

Answer 2

Have an increased urine output

Question 3

Which of the following cells of the juxtaglomerular apparatus is found in the distal tubule?

Answer 3

Macula densa cells

Question 4

Which of the following cells of the juxtaglomerular apparatus is found in the distal tubule?

Increased permeability of the collecting ducts to water

Decreased urine output

All the listed results from a decrease in blood osmolarity

Increased ADH secretion

None of the listed results from a decrease in blood osmolarity

Answer 4

None of the listed results from a decrease in blood osmolarity

Question 5

What structure receives urine flowing down the urters

Answer 5

Urinary bladder

Question 6

Glomerulus

Answer 6

Is a capillary knot contained within the renal corpuscle

Question 7

Which of the following statements best describe secreation

Answer 7

Movement of solutes from the blood into the tubule

Question 8

What is the primary function of the loop of henle

Answer 8

To produce a sodium concentration gradient

Question 9

The proximal tubules reabsorb

Answer 9

Cations such as Na+, Ca+, Mg+
Virtually all the glucose and other nutrients under normal conditions
anions such as HCO3-, Cl-
approximately 65% of the filtrate
( All the above )

Question 10

Where will aldosterone have it greatest physiological effect

Answer 10

Distal tubule