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3.27.23
Test Description: Urinary + Respiratory
Instructions: Answer all questions to get your test result.
1) Which of the following does not occur during secretion in the nephron?
A
Vital substances go back into the blood
B
Unwanted substances leave the blood and enter inside the tubules
C
Excess H+ goes into the tubular fluid through the Na+/H+ antiport
D
Renal plasma clearance (RPC) is greater than the glomerular filtration rate
2) Which of the following is not typically found in urine?
A
Water
B
NH4+
C
Glucose
D
Ions
3) When a person’s urine is diluted and has a pale color, what does it most likely indicate?
A
There is an increase in aldosterone
B
There is a decrease in aldosterone
C
There is a decrease in ADH
D
There is an increase in ADH
4) Which of the following Starling forces promote filtration in the glomerulus?
A
blood pressure in the glomerular capillaries
B
oncotic pressure in the interstitial fluid
C
capsular hydrostatic pressure
D
blood oncotic pressure in the glomerular capillaries
5) Which of the following is correct about the response to increased K+?
A
K+ stimulates the macula densa cells to vasoconstrict the afferent arterioles
B
K+ stimulates the adrenal cortex to secrete aldosterone
C
K+ stimulates the granular cells to secrete renin
D
K+ stimulates the macula densa cells to release signaling molecules to communicate with granular cells
6) Too much H+ was secreted in urine, what might occur?
A
Metabolic acidosis
B
Respiratory alkalosis
C
Metabolic alkalosis
D
Respiratory acidosis
7) Which statement about the juxtaglomerular apparatus (JGA) is correct?
A
None of the above
B
The secretion of renin is stimulated when there is high blood pressure
C
The granular cells direct the concentrations of Na+ and K+ in the tubular fluid
D
The role of the macula densa cells of the DCT is to secrete the enzyme renin
8) According to the tubuloglomerular feedback theory, an increase in tubular fluid NaCl concentration near the macula densa will result in which of the following?
A
An increase in proximal tubule solute and water reabsorption
B
A decrease in the glomerular filtration rate of the same nephron
C
An increase in renal blood flow to the glomerulus of the same nephron
D
Activation of the renal sympathetic nerves
9) GFR will decrease in which of the following conditions?
A
Decrease in plasma oncotic pressure
B
Increase in hydrostatic pressure in Bowman’s space
C
Dilation of the afferent arteriole
D
Decrease in renal nerve activity
10) Which of the following would stimulate the release of renin?
A
Increase in blood volume
B
Increase in blood pressure
C
Increased BNP level
D
Decreased NaCl flow in the DCT
11) Excess blood potassium is removed by increasing secretion of the hormone ___________ which stimulates an increase in the secretion of potassium.
A
Angiotensin I
B
Renin
C
ADH
D
Aldosterone
12) Which part of the nephron has the primary function of absorption?
A
PCT
B
DCT
C
Bowman’s capsule
D
LOH
13) What process occurs in the renal corpuscle?
A
Secretion
B
Absorption
C
Filtration
D
All of the above
14) The correct order of the following passageways from largest to smallest is ________.
A
bronchi, bronchioles, trachea, alveoli
B
alveoli, bronchioles, bronchi, trachea
C
trachea, bronchi, bronchioles, alveoli
D
bronchioles, trachea, bronchi, alveoli
15) When a person suffers from laryngitis, they have an inflammation of their
A
Uvula
B
Epiglottis
C
Adenoids
D
Vocal Cords
16) What do you call the normal volume of air that you breathe in during normal breathing?
A
Tidal Volume
B
Inspiratory Reserve
C
Vital Capacity
D
Expiratory Reserve
17) Which of the following is not a function of the respiratory system
A
Assist with homeostasis of body pH
B
Warm air
C
Filtrate air
D
Distribute blood to cells
18) The function of surfactant is to
A
Transport the carbon dioxide from the blood to the air
B
Trap foreign particles as they enter the bronchial tree
C
Transport the oxygen from the air to the blood
D
Prevent each alveoli from collapsing as air moves in and out during respiration
19) During inspiration, the expansion of the lungs causes
A
A decrease in lung pressure
B
Cohesion of visceral and parietal pleura
C
An osmotic gradient from alveoli to atmosphere
D
An increase in intrathoracic pressure
20) The tiny filters that exist in the kidney that help remove a variety of harmful substances are called
A
Urine
B
Nephrons
C
Kidney Stones
D
Bladders
*select an answer for all questions
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