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) reabsorption
D) secretion

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

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

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

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

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

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

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

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

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) overabundance of angiotensin in the bloodstream
B) fall in systemic pressure
C) stimulation of JGA cells by sympathetic innervation
D) decline in blood pressure

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

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 the blood viscosity
B) increases the number of water channels
C) increases the rate of osmotic water movement
D) increases water permeability of DCT

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

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

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