Exam 14: The Urinary System

Indicate whether the factor in question would ultimately lead to an increase or a decrease in Na⁺ reabsorption by means of the renin-angiotensin-aldosterone mechanism. a.an increase in Na+ reabsorption b.a decrease in Na+ reabsorption -A precipitous fall in arterial blood pressure as during hemorrhage

The process of preventing micturition in spite of initiation of the reflex involves

Inulin is

Indicate which substance in the top column undergoes the process in the lower column by writing the appropriate letter in the blank. a.K+ b.glucose c.inulin d.plasma protein e.urea f.H+ -Filtered and passively reabsorbed

Match the correct statement about sodium reabsorption. a.Sodium reabsorption in the distal and collecting tubules b.Sodium reabsorption in the proximal tubule c.Sodium reabsorption coupled with chloride reabsorption in the loop of Henle -Plays a critical role in the kidneys' ability to produce urine of varying concentrations and volumes

The pores in the glomerular membrane are too small for albumin to pass through.

Tubular secretion

Indicate whether the first item in the statement increases, decreases, or has no effect on the second item by filling in the appropriate letter using the following answer code. a.increases b.decreases c.has no effect on -Increased aldosterone secretion _____ Na⁺ reabsorption.

Match the chemicals below with the correct characteristic. a.renin b.angiotensinogen c.angiotensin I d.angiotensin II e.aldosterone f.atrial natriuretic peptide -Is acted upon by converting enzyme

Vasopressin is made in the posterior pituitary gland and after its secretion has a dramatic effect in the collecting duct of nephrons.

For urine to be eliminated from the body, the external urethral sphincter muscle must relax.

Indicate which substance in the top column undergoes the process in the lower column by writing the appropriate letter in the blank. a.K+ b.glucose c.inulin d.plasma protein e.urea f.H+ -Filtered and actively reabsorbed but not secreted

Identify the correct statement(s).

Which statement is correct?

Which of the following usually results in an increase in aldosterone secretion?

Which of the following is least related to the juxtaglomerular apparatus?

Indicate whether the portion of the tubule in question is permeable or impermeable to the substance in question using the following answer code. a.permeable b.impermeable c.permeable, permeable d.permeable, impermeable e.impermeable, impermeable -The ascending limb of the loop of Henle is ______ to H₂O.

Distal tubule Location ____________________ Function(s) ____________________

The myogenic mechanism

____________________ is the inability to prevent the discharge of urine.