Final Exam- Kidney.txt

Which of the following is not one of the main processes involoved in making urine?
A) filtration
B) ketone production
C) secretion
D) reabsorption

During filtration, fluids move through the blood into the
A) lacteals
B) superior vena cava
C) filtration system
D) inferior vena cava

Which is not a component of the filtration system?
A) reabsorption on the Loop of Henle
B) slits in the podocytes
C) fenestrated capillaries in the glomerulus
D) lamina densa

The force that pushes fluid across the filtration system and leaves behind the filtrate
A) peripheral resistance
B) blood pressure
C) atmospheric pressure
D) venous return

Main function of the proximal convoluted tubule
A) filtration
B) reabsorption
C) secretion
D) gaseous exchange

This comes down into the renal medulla and functions with water/salt balance
A) loop of henle
B) distal convoluted tubule
C) proximal convoluted tubule
D) bowman's capsule

Secretion of ____ helps to regulate the acid/base balance
A) H
B) Na
C) O2
D) Ph

This is a process that dumps products and actively pushes the blood.
A) gaseous exchange
B) reabsorption
C) secretion
D) absorption

Restricts losses of water and salt in the urine
A) ADH
B) Renin
C) Angiotensin

Stimulates reabsorption at the nephron
A) Angiotensin
B) Renin
C) ADH

Which of the following is not a stimuli that causes the juxtaglomerular complex (JGA) to release renin?
A) decline in blood pressure
B) overabundance of angiotensin in the bloodstream
C) stimulation of JGA cells by sympathetic innervation
D) fall in systemic pressure

Which of the following is not an effect of Angiotensin II activation?
A) stimulates reabsorption of sodium and water
B) all of these
C) constricts efferent arterioles of the nephron
D) stimules secretion of aldosterone and ADH
E) none of these

Stimulates reabsorption of water in the distal part of the DCT and collecting system
A) Renin
B) Angiotensin
C) ADH

Which of the following is false about ADH?
A) increases water permeability of DCT
B) increases the rate of osmotic water movement
C) increases the number of water channels
D) increases the blood viscosity

The macula densa and juxtaglomerular apparatus senses BP through
A) blood osmolarity
B) A & C
C) afferent arterioles
D) efferent arterioles
E) B & C

Large cells in the visceral epithelium that wrap around the lamina densa of glomerular capillaries
A) leydig cells
B) macrocytes
C) macrophages
D) podocytes

Which is false about the glomerular filtration rate?
A) is the amount of filtrate kidneys produce each minute
B) depends on the filtration pressure
C) functions in acid/base balance
D) is about 10% of fluid delivered to the kidneys