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Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Urinary System

Feedback True or False Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.



1

Urea and creatinine are toxic metabolic products excreted by the urinary system. (676)
A)True
B)False
2

The urinary bladder is the only unpaired organ of the urinary system. (676)
A)True
B)False
3

Every minute, the renal arteries transport approximately 1,200 ml of blood to the kidneys for filtration. (676)
A)True
B)False
4

The kidneys are yellowish in color due to the urine content. (677)
A)True
B)False
5

The kidneys are located within the peritoneal cavity at the level of the twelfth ribs. (677)
A)True
B)False
6

Renal ptosis is potentially dangerous because it may cause the ureter to kink. (677)
A)True
B)False
7

The glomerulus is considered the basic functional unit of the kidney. (677)
A)True
B)False
8

The convoluted tubules of the nephron are composed of simple squamous epithelium to facilitate molecular exchange. (682)
A)True
B)False
9

Juxtamedullary nephrons and cortical nephrons differ only with regard to their positions in the kidney. (682)
A)True
B)False
10

The walls of the ureters and the urinary bladder consist of three layers, or tunics. (685)
A)True
B)False
11

The effect of gravity causes urine to move through the ureters to the urinary bladder. (684)
A)True
B)False
12

The arterial supply to the ureter is from branches of the renal, testicular, (ovarian), and superior vesicular arteries. (684)
A)True
B)False
13

All of the organs of the urinary system are retroperitoneal. (685)
A)True
B)False
14

Two urethral sphincters regulate the flow of urine from the urinary bladder into the urethra. (687)
A)True
B)False
15

The volume of urine produced by an adult averages about 500 ml per day. (687)
A)True
B)False
16

Both the urinary and the reproductive system originate from an elevation of mesodermal tissue called the urogenital ridge. (689)
A)True
B)False
17

Urine formed during fetal development is expelled into the amniotic fluid. (690)
A)True
B)False
18

The urinary bladder develops along with the ureter from the metanephrogenic mass. (690)
A)True
B)False
19

The urethra develops from the embryonic urachus. (690)
A)True
B)False
20

Hypospadias is a congenital condition of the urethra that can occur only in males. (691)
A)True
B)False
21

Cystitis is an infection and inflammation of the urinary bladder. (692)
A)True
B)False
22

A renal output of less than 30 cc per hour may indicate renal failure. (693)
A)True
B)False
23

Blood leaves the glomerulus through an efferent arteriole. (678)
A)True
B)False
24

Both the inner and outer layer of the glomerular capsule are composed of cells called podocytes with numerous cytoplasmic extensions known as pedicels. (682)
A)True
B)False
25

The proximal convoluted tubule contains millions of microvilli that serve to increase the surface area for reabsorption. (682)
A)True
B)False