Exam 42: Urinary System

Penicillin can be cleared from the blood by tubular secretion.

The shape of the kidney could best be described as _____-shaped.

Aldosterone tends to increase urine volume, thereby promoting water loss.

The male urethra is about twice as long as the female urethra.

The kidney filters out only harmful and excess material.

The fenestrations increase the porosity of the glomerulus.

Podocytes on the parietal walls of the glomerular capsule help support the slit diaphragms that allow filtrate to leave the blood and enter the glomerular capsule.

The outer portion of the kidney is called the medulla.

A hydrostatic pressure gradient drives the filtration of much of the plasma into the nephron.

The urinary bladder is a collapsible bag located behind the symphysis pubis.

A glomerulus is a group of capillaries located in a glomerular capsule.

If the Tmₐₓ for glucose in the nephron was 300 mg/100 ml and a person had blood glucose level of 380 mg/100 ml, there would be:

Negative ions such as chloride and phosphate are pulled out of the filtrate by the positive charge established by the sodium that was actively transported into the blood.

A hydrostatic pressure gradient causes fluids to move from the glomerulus into the glomerular capsule.

Which of the following is the approximate threshold level for the reabsorption of glucose?

In the proximal tubule of the nephron, glucose and amino acids are transported with sodium and actively move out of the tubule fluid by means of the sodium cotransport mechanism.

The calyx surrounds the renal papilla.

An increase in solutes in the urine will cause an increase in the urine output.

The transitional epithelium that lines the bladder wall is one factor that allows the bladder to distend.

The three openings on the bladder floor make up the trigone.