Multiple Choice
Which substance would NOT normally be expected in urine?
25. The Urinary System
Renal Physiology Step 1: Glomerular Filtration
Back25. The Urinary System
Renal Physiology Step 1: Glomerular Filtration
- Multiple ChoiceAll of the following are layers of the filtration membrane in the glomerular membrane EXCEPT the __________.
- Multiple Choice
The ________________ is the finest layer of the filtration membrane.
- Open Question
Net filtration pressure in most capillary beds favors:
a. absorption.
b. osmosis.
c. filtration.
d. secretion.
- Open QuestionThe glomerular capillaries differ from other capillary networks in the body because theya. have a larger area of anastomosis,b. are derived from and drain into arterioles,c. are not made of endothelium,d. are sites of filtrate formation.
- Open QuestionMultiple ChoiceMore than one choice may apply.What is the glomerulus?a. The same as the renal tubuleb. The same as Bowman's capsulec. The same as the nephrond. Capillaries
- Open QuestionExplain the process and purpose of tubular secretion.
- Open QuestionExplain the important differences between blood plasma and glomerular filtrate, and relate the differences to the structure of the filtration membrane.
- Open QuestionFiltration at the glomerulus is inversely related toa. water reabsorption,b. capsular hydrostatic pressure,c. arterial blood pressure,d. acidity of the urine.
- Open QuestionMultiple ChoiceMore than one choice may apply.Which of the following is dependent on tubular secretion?a. Clearing penicillin from the bloodb. Removal of nitrogenous wastes that have been reabsorbedc. Removal of excess potassium ions from the bloodd. Control of blood pH
- Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. Filtrate flows from the renal corpuscle to the distal tubule, the nephron loop, the proximal tubule, and into the collecting system.
- Open Question
Describe the structure of the filtration membrane.
- Open Question
Which of the following substances would pass through the filtration membrane to become part of the filtrate under normal circumstances? (Circle all that apply.)
a. Sodium ions
b. Albumin
c. Glucose
d. Erythrocytes
e. Leukocytes
f. Amino acids
g. Urea
- Open Question
Which of the following is false about the GFR?
a. The GFR averages about 120 ml/min.
b. The GFR increases when the afferent arteriole dilates.
c. The GFR decreases when the efferent arteriole constricts.
d. The GFR decreases when the afferent arteriole constricts
- Open Question
Fill in the blanks: Glomerular hydrostatic pressure _____ filtration; colloid osmotic pressure and capsular hydrostatic pressure_____ filtration.
a. favors; favor
b. opposes; oppose
c. favors; oppose
d. opposes; favor