Question 1

The openings for the ureters and urethra form a triangular area on the floor of the bladder that is called the

Accepted Answer

A)  pyramid 
B)  detrusor area 
C)  prostatic area 
D)  trigone 
E)  transurethral area

Question 2

If glomerular hydrostatic pressure is 60 mm Hg,glomerular osmotic pressure is 32 mm Hg,and capsular hydrostatic pressure is 18 mm Hg,the net filtration pressure is _____ mm Hg.

Accepted Answer

A)  64 
B)  10 
C)  20 
D)  46 
E)  28

Question 3

The female urethra is _____ than in the male and opens _____ to the opening for the vagina.

Accepted Answer

A)  shorter; posterior 
B)  shorter; anterior 
C)  longer; posterior 
D)  longer; anterior

Question 4

Some substances,such as glucose,are reabsorbed by facilitated diffusion.This means that reabsorption is limited by the

Accepted Answer

A)  amount of ATP available 
B)  number of carrier molecules present 
C)  permeability of the tubular cells 
D)  hydrostatic pressure in the tubule 
E)  osmotic pressure in the tubule

Question 5

The predominant extracellular cation is

Accepted Answer

A)  chloride 
B)  sodium 
C)  phosphate 
D)  hydrogen 
E)  potassium

Question 6

Most of the tubular reabsorption occurs in the

Accepted Answer

A)  glomerular capsule 
B)  proximal tubule 
C)  nephron loop 
D)  distal tubule 
E)  collecting duct

Question 7

Blood plasma accounts for most of the extracellular fluid volume.

Accepted Answer

A) True 
 B)False

Question 8

Excess hydrogen ions are removed from the blood by

Accepted Answer

A)  glomerular filtration 
B)  tubular reabsorption 
C)  tubular osmosis 
D)  tubular secretion

Question 9

An enzyme produced by the kidneys is

Accepted Answer

A)  angiotensin 
B)  catalase 
C)  renin 
D)  erythropoietin 
E)  atriopeptin

Question 10

Which of the following represents a normal pH for urine?

Accepted Answer

A)  3 
B)  4 
C)  6 
D)  9 
E)  10

Question 11

What are two hormones that have a direct influence urine concentration and volume?

Accepted Answer

The answer of What are two hormones that have a...

Question 12

The vessel that returns blood from the kidney directly into the IVC is the _____ vein.

Accepted Answer

A)  interlobar 
B)  renal 
C)  splenic 
D)  hepatic 
E)  segmental

Question 13

Which is true concerning the internal and external urethral sphincters?

Accepted Answer

A)  The internal sphincter is involuntary smooth muscle and the external is voluntary striated muscle. 
B)  The internal sphincter is voluntary striated muscle and the external is involuntary smooth muscle. 
C)  Both are involuntary smooth muscle. 
D)  Both are voluntary striated muscle.

Question 14

What is the collective term for the muscle in the wall of the urinary bladder?

Accepted Answer

The answer of What is the collective term for the...

Question 15

The formation of urine involves three basic steps.These are

Accepted Answer

A)  secretion, excretion, and urination 
B)  filtration, osmosis, and transport 
C)  filtration, tubular reabsorption, tubular secretion 
D)  osmosis, active transport, facilitated diffusion 
E)  tubular filtration, capsular reabsorption, capillary secretion

Question 16

The smooth muscle in the wall of the urinary bladder is the _____ muscle.

Accepted Answer

A)  sphincter 
B)  detrusor 
C)  cremaster 
D)  dartos

Question 17

What is the term for the specific region where most of the tubular reabsorption occurs?

Accepted Answer

The answer of What is the term for the specific...

Question 18

The portion of the nephron that is between the proximal and distal convoluted tubules is the

Accepted Answer

A)  glomerular capsule 
B)  collecting duct 
C)  nephron loop 
D)  glomerulus 
E)  juxtaglomerular apparatus

Question 19

The capillary complex within the renal corpuscle is the

Accepted Answer

A)  glomerular capsule 
B)  glomerulus 
C)  nephron loop 
D)  peritubular capillary 
E)  renal papilla

Question 20

What is the term for the central collecting structure in the kidney that is continuous with the ureter?

Accepted Answer

The answer of What is the term for the central...

Exam 18: Urinary System and Body Fluids