Exam 25: The Urinary System

Atrial natriuretic peptide inhibits sodium reabsorption.

Match the following: -Low pressure,porous vessels that reabsorb solutes and water from the tubule cells.

The presence of pus in the urine is a condition called ________.

If the diameter of the afferent arterioles leading to the glomerulus decreases (vasoconstriction)which of the following is not likely to occur?

Both the male and female urethras serve both the urinary and the reproductive systems.

Fetal kidneys have the primary responsibility of clearing wastes from the fetal blood.

Explain the role of aldosterone in sodium and water balance.

Which of the following acts as the trigger for the initiation of micturition (voiding)?

If the GFR is too low,needed substances may pass so quickly through the renal tubules that they are not absorbed and instead are lost in the urine.

Blood in the urine may be a symptom of bladder cancer.

Incontinence is the inability to control voluntary micturition.

Explain what is meant by the terms cotransport process and transport maximum.

The act of emptying the bladder is called voiding.

Water reabsorption through the proximal convoluted tubule is termed obligatory water reabsorption,whereas water reabsorption through the distal convoluted tubule is termed facultative water reabsorption.

Having a kinked ureter is called renal ptosis.

The area between the ureters and urethra is that is often the location of infection is called the ________ in a bladder.

The mechanism of water reabsorption by the renal tubules is ________.

The urethra contains an internal sphincter of smooth muscle.

Blood pressure in the renal glomerulus is lower than in most parts of the body in order to conserve body water.

The factor favoring filtrate formation at the glomerulus is the ________.