Physiology - Lab 10 PhysioEx 9 Quiz Review
Interstitial fluid is located in the _______. a) spaces surrounding the kidney tubule b) tubule lumen c) peritubular capillaries d) glomerulus
A
Secretion of ADH would _______. a) decrease urine output b) increase urine output c) increase glomerular filtration rate d) decrease glomerular filtration rate
A
The pressure in the left source beaker simulates _______. a) blood pressure b) glomerular hydrostatic pressure c) osmotic pressure d) capsular pressure
A
What are the two main parts of the nephron? a) the renal corpuscle and the renal tubule b) the glomerulus and the proximal convoluted tubule c) the efferent and afferent arteriole d) glomerular filtration and tubular reabsorption
A
What is the name for the "ball" of capillaries found in the renal corpuscle? a) glomerulus b) peritubular capillaries c) afferent arteriole d) efferent arteriole
A
What will happen to the urine volume if ADH is NOT added to the collecting duct? a) The urine volume will increase. b) The urine volume will decrease. c) The urine volume will stay the same. d) The urine volume will go to zero.
A
When the beaker pressure was lowered, which of the following decreased? a) glomerular pressure, glomerular filtration rate and urine volume b) glomerular pressure c) urine volume d) glomerular filtration rate e) glomerular pressure and glomerular filtration rate
A
Which of the following describes the order in which blood flows through the nephron? a) afferent arteriole, glomerulus, efferent arteriole b) afferent arteriole, efferent arteriole, glomerulus c) efferent arteriole, glomerulus, afferent arteriole d) glomerulus, afferent arteriole, efferent arteriole
A
Altering the radii of the afferent and efferent arterioles provides for _______. a) glomerular hydrostatic pressure homeostasis b) glomerular filtration rate homeostasis and glomerular hydrostatic pressure homeostasis c) blood pressure homeostasis and glomerular filtration rate homeostasis d) blood pressure homeostasis e) glomerular filtration rate homeostasis
B
The functions of the nephron include all of the following EXCEPT _______. a) tubular secretion b) glomerular secretion c) tubular reabsorption d) glomerular filtration
B
What is (are) the driving force(s) for filtration in the nephron? a) osmotic pressure gradients b) hydrostatic pressure gradients and osmotic pressure gradients c) hydrostatic pressure gradients
B
When blood pressure increases, what changes can occur to maintain glomerular filtration rate? a) dilation of the afferent arteriole b) constriction of the afferent arteriole and dilation of the efferent arteriole c) constriction of the afferent arteriole d) dilation of the efferent arteriole and dilation of the afferent arteriole e) dilation of the efferent arteriole
B
When the efferent arteriole constricts, _______. a) urine volume decreases b) the back pressure in the Bowman's capsule increases c) the glomerular capillary pressure increases d) the glomerular filtration rate decreases
B
With the valve between the collecting duct and the urinary bladder closed and with the pressure increased, _______. a) the glomerular filtration rate increased and the glomerular pressure decreased b) the glomerular filtration rate increased and the glomerular pressure increased c) the glomerular filtration rate increased d) the glomerular pressure decreased e) the glomerular pressure increased
B
With the valve between the collecting duct and the urinary bladder closed, _______. a) the glomerular filtration rate was zero b) urine volume was zero c) the glomerular pressure decreased d) the glomerular pressure increased
B
As the pressure in the beaker was increased, which of the following occurred? a) Glomerular filtration rate decreased, and urine volume decreased. b) Glomerular filtration rate decreased, and urine volume increased. c) Glomerular filtration rate increased, and urine volume increased. d) Glomerular filtration rate increased, and urine volume decreased.
C
What happened to the urine concentration when the solute gradient in the interstitial space was increased? a) The urine concentration went to zero. b) The urine concentration stayed the same. c) The urine concentration increased. d) The urine concentration decreased.
C
What is the normal range for glomerular filtration rate? a) 1 - 5 ml/min b) 200 - 250 ml/min c) 80 - 140 ml/min d) 20 - 40 ml/min
C
Which of the following is NOT a function of the kidneys? a) maintenance of acid-base balance of the blood b) maintenance of plasma osmolarity c) exchange of oxygen and carbon dioxide with the tissues d) maintenance of electrolyte balance in the body
C
Which of the following resulted in a decrease in glomerular capillary pressure? a) decreasing the efferent arteriole diameter and increasing the afferent arteriole diameter b) increasing the efferent arteriole diameter c) increasing the efferent arteriole diameter and decreasing the afferent arteriole diameter d) decreasing the afferent arteriole diameter e) increasing the afferent arteriole diameter
C
Which of the following should NOT be found in the filtrate in the Bowman's capsule? a) glucose b) potassium c) white blood cells d) sodium
C
Because the alteration of the afferent or efferent arteriole occurs within the nephron, we refer to this mechanism as _______. a) extrinsic b) compensatory c) independent d) intrinsic
D
In this activity, the drain beaker (second beaker in the flow) simulates the _______. a) renal artery b) peritubular capillaries c) vasa recta d) renal vein
D
In this activity, we will explore the effect of _______. a) dehydration on glomerular filtration rate b) breathing on glomerular filtration rate c) excessive waste products in the blood on glomerular filtration rate d) blood pressure on glomerular filtration rate
D
The reabsorption of water and solutes _______. a) is into the peritubular capillaries b) is passive c) is passive and is into the peritubular capillaries d) is passive, depends on concentration gradients and is into the peritubular capillaries e) depends on concentration gradients
D
What happened to the urine volume when the solute gradient in the interstitial space was increased? a) The urine volume increased. b) The urine volume stayed the same. c) The urine volume went to zero. d) The urine volume decreased.
D
When ADH is present in the filtrate, _______. a) urine concentration decreases b) urine output increases c) urine concentration increases and urine output increases d) urine concentration increases e) urine concentration decreases and urine output increases
D
Which of the following resulted in an increase in glomerular filtration rate? a) decreasing the efferent arteriole diameter and decreasing the afferent arteriole diameter b) increasing the efferent arteriole diameter and increasing the afferent arteriole diameter c) decreasing the afferent arteriole diameter d) decreasing the efferent arteriole diameter and increasing the afferent arteriole diameter e) increasing the efferent arteriole diameter
D
Which of the following would decrease glomerular filtration rate? a) increasing the afferent arteriole radius and/or decreasing the efferent arteriole radius b) decreasing the afferent arteriole radius c) increasing the efferent arteriole radius d) increasing the efferent arteriole radius and/or decreasing the afferent arteriole radius e) decreasing the efferent arteriole radius
D
Which structures form the filtration membrane in the nephron? a) afferent arteriole and the glomerular capsule b) efferent arteriole and the glomerular capsule c) afferent arteriole and the efferent arteriole d) glomerulus and the glomerular capsule
D