3.27.23 Question Preview (ID: 61379)

Urinary + Respiratory. TEACHERS: click here for quick copy question ID numbers.

Which of the following does not occur during secretion in the nephron?
a) Vital substances go back into the blood
b) Excess H+ goes into the tubular fluid through the Na+/H+ antiport
c) Unwanted substances leave the blood and enter inside the tubules
d) Renal plasma clearance (RPC) is greater than the glomerular filtration rate

Which of the following is not typically found in urine?
a) NH4+
b) Ions
c) Water
d) Glucose

When a person’s urine is diluted and has a pale color, what does it most likely indicate?
a) There is a decrease in aldosterone
b) There is an increase in aldosterone
c) There is a decrease in ADH
d) There is an increase in ADH

Which of the following Starling forces promote filtration in the glomerulus?
a) capsular hydrostatic pressure
b) blood pressure in the glomerular capillaries
c) blood oncotic pressure in the glomerular capillaries
d) oncotic pressure in the interstitial fluid

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 granular cells to secrete renin
c) K+ stimulates the adrenal cortex to secrete aldosterone
d) K+ stimulates the macula densa cells to release signaling molecules to communicate with granular cells

Too much H+ was secreted in urine, what might occur?
a) Respiratory acidosis
b) Respiratory alkalosis
c) Metabolic acidosis
d) Metabolic alkalosis

Which statement about the juxtaglomerular apparatus (JGA) is correct?
a) The role of the macula densa cells of the DCT is to secrete the enzyme renin
b) The granular cells direct the concentrations of Na+ and K+ in the tubular fluid
c) The secretion of renin is stimulated when there is high blood pressure
d) None of the above

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) A decrease in the glomerular filtration rate of the same nephron
b) An increase in renal blood flow to the glomerulus of the same nephron
c) Activation of the renal sympathetic nerves
d) An increase in proximal tubule solute and water reabsorption

GFR will decrease in which of the following conditions?
a) Dilation of the afferent arteriole
b) Decrease in renal nerve activity
c) Decrease in plasma oncotic pressure
d) Increase in hydrostatic pressure in Bowman’s space

Which of the following would stimulate the release of renin?
a) Increase in blood volume
b) Decreased NaCl flow in the DCT
c) Increase in blood pressure
d) Increased BNP level

Excess blood potassium is removed by increasing secretion of the hormone ___________ which stimulates an increase in the secretion of potassium.
a) Aldosterone
b) ADH
c) Renin
d) Angiotensin I

Which part of the nephron has the primary function of absorption?
a) DCT
b) PCT
c) LOH
d) Bowman’s capsule

What process occurs in the renal corpuscle?
a) Secretion
b) Filtration
c) Absorption
d) All of the above

The correct order of the following passageways from largest to smallest is ________.
a) bronchi, bronchioles, trachea, alveoli
b) alveoli, bronchioles, bronchi, trachea
c) bronchioles, trachea, bronchi, alveoli
d) trachea, bronchi, bronchioles, alveoli

When a person suffers from laryngitis, they have an inflammation of their
a) Epiglottis
b) Uvula
c) Adenoids
d) Vocal Cords

What do you call the normal volume of air that you breathe in during normal breathing?
a) Vital Capacity
b) Tidal Volume
c) Inspiratory Reserve
d) Expiratory Reserve

Which of the following is not a function of the respiratory system
a) Assist with homeostasis of body pH
b) Distribute blood to cells
c) Filtrate air
d) Warm air

The function of surfactant is to
a) Transport the oxygen from the air to the blood
b) Transport the carbon dioxide from the blood to the air
c) Prevent each alveoli from collapsing as air moves in and out during respiration
d) Trap foreign particles as they enter the bronchial tree

During inspiration, the expansion of the lungs causes
a) An increase in intrathoracic pressure
b) A decrease in lung pressure
c) Cohesion of visceral and parietal pleura
d) An osmotic gradient from alveoli to atmosphere

The tiny filters that exist in the kidney that help remove a variety of harmful substances are called
a) Nephrons
b) Urine
c) Kidney Stones
d) Bladders

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