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Essentials of Anatomy & Physiology, 4/e

Rod R. Seeley, Idaho State University
Philip Tate, Phoenix College
Trent D. Stephens, Idaho State University

The Urinary System and Fluid Balance

Feedback Multiple Choice Quiz

Please answer all questions


1	The calyces from all the pyramids join together to form a larger funnel called the
		A)	renal sinus.
		B)	renal fat pad.
		C)	hilum.
		D)	renal pelvis.
		E)	renal capsule.


2	Given these parts of a nephron: 1. renal corpuscle 2. collecting duct 3. loop of Henle 4. distal tubule 5. proximal tubule, Arrange the parts in order as fluid flows from the filtration membrane through the nephron.
		A)	1,5,3,4,2
		B)	2,4,1,3,5
		C)	2,1,4,5,3
		D)	4,2,3,5,1
		E)	5,1,3,4,2


3	The tuft of capillaries in the renal corpuscle is called the
		A)	podocytes.
		B)	glomerulus.
		C)	calyx.
		D)	renal pyramid.
		E)	renal sinus.


4	The juxtaglomerular apparatus is formed where the ________ projects between the afferent arteriole and efferent arteriole next to Bowman's capsule.
		A)	glomerulus
		B)	arcuate arteries
		C)	proximal tubule
		D)	distal tubule
		E)	collecting duct


5	The ______ are specialized portions of the peritubular capillaries that extend deep into the medulla of the kidney.
		A)	interlobar arteries
		B)	arcuate arteries
		C)	efferent arterioles
		D)	afferent arterioles
		E)	vasa recta


6	Given these vessels: 1. arcuate vein 2. afferent arteriole 3. efferent arteriole 4. interlobular vein 5. peritubular capillaries, Arrange the vessels in the order in which a drop of blood from the interlobular artery would pass through them.
		A)	1,2,4,5,3
		B)	2,3,5,4,1
		C)	3,5,4,2,1
		D)	4,2,5,3,1
		E)	5,2,4,1,3


7	The movement of substances from the filtrate back into the blood of the peritubular capillaries is called
		A)	filtration.
		B)	tubular secretion.
		C)	backflow.
		D)	tubular reabsorption.
		E)	micturition.


8	The external urinary sphincter is composed of ______ and is under ______ control.
		A)	skeletal muscle, involuntary
		B)	skeletal muscle, voluntary
		C)	smooth muscle, involuntary
		D)	smooth muscle, voluntary
		E)	cardiac muscle, involuntary


9	Which of these substances would normally NOT be able to pass through the filtration membrane?
		A)	hemoglobin
		B)	water
		C)	sodium ions
		D)	bicarbonate ions
		E)	glucose


10	In general, when filtration pressure increases, filtrate volume ______, and urine volume ______.
		A)	decreases, increases
		B)	decreases, decreases
		C)	increases, decreases
		D)	increases, increases


11	How much of the original filtrate volume is reabsorbed?
		A)	50%
		B)	65%
		C)	80%
		D)	90%
		E)	99%


12	In the descending limb of the loop of Henle, water moves out of the nephron by ______, and solutes move into the nephron by ______.
		A)	active transport, active transport
		B)	active transport, diffusion
		C)	osmosis, active transport
		D)	osmosis, diffusion
		E)	diffusion, active transport


13	Which of these substances is actively transported into the proximal tubule?
		A)	hydrogen ions
		B)	sodium ions
		C)	glucose
		D)	amino acids
		E)	chloride ions


14	Which of these conditions will increase the amount of urine produced?
		A)	an increase in ADH secretion
		B)	an increase in atrial natriuretic hormone secretion
		C)	an increase in aldosterone secretion
		D)	a decrease in blood pressure in the glomerular capillaries
		E)	sympathetic stimulation of the renal arteries


15	If respiration rate increases, the amount of CO2 in the blood ______, and pH ______.
		A)	increases, increases
		B)	increases, decreases
		C)	decreases, increases
		D)	decreases, decreases

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