Powerpoints unit 6 and 7

Question 1

How do oxygen and carbon dioxide cross membranes?
A. primary active transport
B. facilitated diffusion
C. secondary active transport
D. simple diffusion

Answer 1

D. simple diffusion

Question 2

Should relaxation of the diaphragm
A. increase alveolar pressure?
B. decrease alveolar pressure?
C. have no effect?

Answer 2

A. increase alveolar pressure?

Question 3

For expiration to occur:
A. Palv < Patm and the diaphragm is relaxed
B. Palv < Patm and the diaphragm is contracted
C. Palv > Patm and the diaphragm is relaxed
D. Palv > Patm and the diaphragm is contracted

Answer 3

C. Palv > Patm and the diaphragm is relaxed

Question 4

What will happen to the arteriole delivering blood near the poorly ventilated alveolus?
A. it will dilate more
B. it will constrict
C. it will not change

Answer 4

B. it will constrict

Question 5

Which causes high altitude pulmonary edema (HAPE) ?
A. colloid pressure of blood gets very low
B. Low MAP from dehydration results in an overactive RAAS pathway
C. Pulmonary arterioles constrict due to low PO2
D. MAP is abnormally high due to peripheral vasoconstriction

Answer 5

C. Pulmonary arterioles constrict due to low PO2

Question 6

Which choice do you think would represent damage from COVID?
A. Pulmonary edema
B. fibrotic lung disease
C. both

Answer 6

C. both

Question 7

How does high altitude affect respiration rate and plasma pH?
A. respiration rate decreases and plasma pH does down
B. respiration rate decreases and plasma pH goes up
C. respiration rate increases and plasma pH goes down
D. respiration rate increases and plasma pH goes up

Answer 7

D. respiration rate increases and plasma pH goes up

Question 8

What causes high-altitude pulmonary edema (HAPE)?
A. increased pressure in the pulmonary circuit
B. increased plasma osmolarity
C. decreased pressure in the pulmonary circuit
D. decreased plasma osmolarity

Answer 8

A. increased pressure in the pulmonary circuit

Question 9

Blood flow to kidneys is altered when EPI/NE binds with:
A. b-adrenergic receptors
B. nicotinic cholinergic receptors
C. a-adrenergic receptors
D. glucocorticoid receptors

Answer 9

C. a-adrenergic receptors

Question 10

Kidney disease is diagnosed by:
A. blood in the urine
B. albumin in the urine
C. reduced glomerular filtration rate
D. All are correct

Answer 10

D. All are correct

Question 11

Steps to kidney failure
A. hyperfiltration
B. microalbuminuria
C. increased glomerular pressure ( failure of renal autoregulation
D. thickening of extracellular matrix around mesangial cells
E. All choices are correct

Answer 11

E. All choices are correct

Question 12

Excess glucose in the filtrate results in:
A. less urine excreted than normal
B. more urine excreted than normal
C. no change in the amount of urine excreted
D. absorption of excess glucose in the distal nephron

Answer 12

B. more urine excreted than normal

Question 13

What causes a hangover?
A. Ethanol’s neurotoxic effects
B. Ethonal inhibits ADH secretion
C. Diuresis and dehydration
D. All choices are correct

Answer 13

D. All choices are correct

Question 14

If a respiration technician accidentally left the ventilator turned up too high, what would a blood test show with respect to pH and potassium levels?
A. high pH, hypokalemia
B. low pH, hyperkalemia
C. high pH, hyperkalemia
D. Low pH, hypokalemia

Answer 14

A. high pH, hypokalemia