BIO 203 EXAM 4 QUESTIONS &
ANSWERS 100% CORRECT
The ______ is not an organ of the urinary system
a. urethra
b. liver
c. ureter
d. urinary bladder
e. kidney - ANSWERb. liver
Blood enters the kidney through the renal artery, which branches into the _______.
a. arcuate arteries
b. segmental arteries
c. interlobular arteries
d. afferent arterioles - ANSWERb. segmental arteries
Hydrochloric acid (HCI) is secreted by ____ cells in the gastric glands
A. Mucous
b. Parietal
C. Regenerative (stem)
d. Chief
e. Enteroendocrine - ANSWERB. Parietal
Which of the following stomach secretions is necessary for absorption of vitamin
B12?
A. Hydrochloric acid
B. Pepsin
C. Gastric lipase
D. Intrinsic factor
E. Chemical messenger - ANSWERD. Intrinsic factor
During tubular reabsorption, one way that sodium (Na*) moves from the tubular fluid
into the tubule
epithelial cells is through:
a. Sodium-potassium pumps (Na*-K* pumps)
b. Aquaporins
C. Sodium-Hydrogen antiports (Na*-H' antiports)
d. Solvent drag - ANSWERc. sodium-hydrogen antiports (Na+- H+ antiports
During tubular reabsorption, sodium (Na*) is pumped out of the tubule epithelial cells
into the
extracellular (tissue) fluid by _______. This prevents sodium from accumulating in
the tubule epithelial cells.
, a. Sodium-potassium pumps (Na*-K* pumps)
b. Aquaporins
C. Sodium-Hydrogen antiports (Na*-H* antiports)
d. Solvent drag - ANSWERa. Sodium-potassium pumps (Na*-K* pumps)
What are the following phases of the Gastric activity is controlled by the small
intestine?
A. Cephalic phase
B. Gastric phase
C. Intestinal phase
D. Intrinsic phase - ANSWERC. Intestinal phase
As urine leaves the collecting duct, it takes which of the following path to the bladder:
A. Papillary duct > minor calyx > major calyx > renal pelvis > ureter > bladder
b. Minor calyx > major calyx > papillary duct > renal pelvis > ureter > bladder
C. Renal pelvis > papillary duct > minor calyx > major calyx > ureter > bladder
d. Papillary duct > major calyx > minor calyx > renal pelvis > ureter > bladder -
ANSWERA. Papillary duct > minor calyx > major calyx > renal pelvis > ureter >
bladder
The medial concavity of the kidney is called ________ the which admits the renal
nerves, blood vessels, lymphatic vessels, and ureter.
A. medulla
b. corpuscle
C. cortex
d. hilum
e. capsule - ANSWERD. Hilum
The efferent arterioles of cortical nephrons branch into the that surrounds the
proximal and distal convoluted tubules.
A. Rete mirable
b. Vasa recta
C. Podocytes
d. Peritubular capillaries - ANSWERA. Rete mirable
Three kinds of special cells occur in the Juxtaglomerular apparatus. What is the
function of macula densa?
a. Sense variations in tubular fluid composition
b. Constrict or relax capillaries in the glomerulus to regulate blood flow
C. Constrict or relax arterioles to regulate blood flow
d. Secrete a hormone that stimulates kidney activity - ANSWERa. sense variations in
tubular fluid composition
Which of the following does NOT easily pass the Glomerular filtration membrane?
a. Red blood cells
b. Glucose
C. Amino acids
d. Water
e. Uric acid - ANSWERA. Red blood cells
ANSWERS 100% CORRECT
The ______ is not an organ of the urinary system
a. urethra
b. liver
c. ureter
d. urinary bladder
e. kidney - ANSWERb. liver
Blood enters the kidney through the renal artery, which branches into the _______.
a. arcuate arteries
b. segmental arteries
c. interlobular arteries
d. afferent arterioles - ANSWERb. segmental arteries
Hydrochloric acid (HCI) is secreted by ____ cells in the gastric glands
A. Mucous
b. Parietal
C. Regenerative (stem)
d. Chief
e. Enteroendocrine - ANSWERB. Parietal
Which of the following stomach secretions is necessary for absorption of vitamin
B12?
A. Hydrochloric acid
B. Pepsin
C. Gastric lipase
D. Intrinsic factor
E. Chemical messenger - ANSWERD. Intrinsic factor
During tubular reabsorption, one way that sodium (Na*) moves from the tubular fluid
into the tubule
epithelial cells is through:
a. Sodium-potassium pumps (Na*-K* pumps)
b. Aquaporins
C. Sodium-Hydrogen antiports (Na*-H' antiports)
d. Solvent drag - ANSWERc. sodium-hydrogen antiports (Na+- H+ antiports
During tubular reabsorption, sodium (Na*) is pumped out of the tubule epithelial cells
into the
extracellular (tissue) fluid by _______. This prevents sodium from accumulating in
the tubule epithelial cells.
, a. Sodium-potassium pumps (Na*-K* pumps)
b. Aquaporins
C. Sodium-Hydrogen antiports (Na*-H* antiports)
d. Solvent drag - ANSWERa. Sodium-potassium pumps (Na*-K* pumps)
What are the following phases of the Gastric activity is controlled by the small
intestine?
A. Cephalic phase
B. Gastric phase
C. Intestinal phase
D. Intrinsic phase - ANSWERC. Intestinal phase
As urine leaves the collecting duct, it takes which of the following path to the bladder:
A. Papillary duct > minor calyx > major calyx > renal pelvis > ureter > bladder
b. Minor calyx > major calyx > papillary duct > renal pelvis > ureter > bladder
C. Renal pelvis > papillary duct > minor calyx > major calyx > ureter > bladder
d. Papillary duct > major calyx > minor calyx > renal pelvis > ureter > bladder -
ANSWERA. Papillary duct > minor calyx > major calyx > renal pelvis > ureter >
bladder
The medial concavity of the kidney is called ________ the which admits the renal
nerves, blood vessels, lymphatic vessels, and ureter.
A. medulla
b. corpuscle
C. cortex
d. hilum
e. capsule - ANSWERD. Hilum
The efferent arterioles of cortical nephrons branch into the that surrounds the
proximal and distal convoluted tubules.
A. Rete mirable
b. Vasa recta
C. Podocytes
d. Peritubular capillaries - ANSWERA. Rete mirable
Three kinds of special cells occur in the Juxtaglomerular apparatus. What is the
function of macula densa?
a. Sense variations in tubular fluid composition
b. Constrict or relax capillaries in the glomerulus to regulate blood flow
C. Constrict or relax arterioles to regulate blood flow
d. Secrete a hormone that stimulates kidney activity - ANSWERa. sense variations in
tubular fluid composition
Which of the following does NOT easily pass the Glomerular filtration membrane?
a. Red blood cells
b. Glucose
C. Amino acids
d. Water
e. Uric acid - ANSWERA. Red blood cells
