Weekly Quiz 12, Fluids and Acid/Base

Question 1

If we drank a solution that had the same osmolarity as our extracellular fluid, but the only solute was potassium, intracellular fluid volume would
Group of answer choices
Increase
Decrease
Not change

Answer 1

Increase

Question 2

Please interpret the following acid/base imbalance: pH = 7.2 PCO2 = 60 mm Hg Bicarb = 24 mEq/L
Group of answer choices
Respiratory acidosis without renal compensation
Respiratory acidosis with renal compensation
Metabolic acidosis with respiratory compensation
Metabolic alkalosis with respiratory compensation

Answer 2

Respiratory acidosis without renal compensation

Question 3

Given the following numbers from systemic arterial blood, what disorder would you expect? pH = 7.6 PCO2 = 50 mm Hg Bicarb = 30 mEq/L
Group of answer choices
Emphysema
Diarrhea
Vomiting
Recent arrival at altitude
Diabetic ketoacidosi

Answer 3

Vomiting

Question 4

Which of the following numbers might represent arterial blood measurements of a human one week after arriving at 14,000 feet? (assume the person has not yet completely adapted)
Group of answer choices
pH = 7.3, PCO2 = 50 mm Hg, bicarb = 32 mEq/L
pH = 7.3, PCO2 = 30 mm Hg, bicarb = 24 mEq/L
pH = 7.5, PCO2 = 50 mm Hg, bicarb = 32 mEq/L
pH = 7.5, PCO2 = 30 mm Hg, bicarb = 24 mEq/L
pH = 7.5, PCO2 = 30 mm Hg, bicarb = 19 mEq/L

Answer 4

pH = 7.5, PCO2 = 30 mm Hg, bicarb = 24 mEq/L

Question 5

Which of the following numbers might represent arterial blood measurements of a person with diarrhea?
Group of answer choices
pH = 7.2, PCO2 = 60 mm Hg, bicarb = 32 mEq/L
pH = 7.2, PCO2 = 20 mm Hg, bicarb = 16 mEq/L
pH = 7.6, PCO2 = 60 mm Hg, bicarb = 32 mEq/L
pH = 7.6, PCO2 = 20 mm Hg, bicarb = 16 mEq/L
pH = 7.4, PCO2 = 40 mm Hg, bicarb = 24 mEq/L

Answer 5

pH = 7.2, PCO2 = 20 mm Hg, bicarb = 16 mEq/L

Question 6

Which of the following numbers would make sense shortly after arriving at high altitude?
Group of answer choices
pH = 7.2, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L
pH = 7.2, PCO2 = 25 mm Hg, Bicarb = 24 mEq/L
pH = 7.4, PCO2 = 40 mm Hg, Bicarb = 24 mEq/L
pH = 7.6, PCO2 = 25 mm Hg, Bicarb = 24 mEq/L
pH = 7.6, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L

Answer 6

pH = 7.6, PCO2 = 25 mm Hg, Bicarb = 24 mEq/L

Question 7

In epithelial tissue, if bicarbonate moves to one side of the tissue, which of the following moves to the other?
Group of answer choices
Sodium
Potassium
Calcium
Chloride
Bicarbonate

Answer 7

Chloride

Question 8

Shortly after arriving at altitude, the pH of a person would be
Group of answer choices
High
Low
Normal

Answer 8

High

Question 9

Please interpret the following acid/base imbalance: pH = 7.2 PCO2 = 25 mm Hg Bicarb = 16 mEq/L
Group of answer choices
Respiratory acidosis without renal compensation
Respiratory acidosis with renal compensation
Metabolic acidosis with respiratory compensation
Metabolic alkalosis with respiratory compensation

Answer 9

Metabolic acidosis with respiratory compensation

Question 10

The major extracellular cation is
Group of answer choices
Sodium
Potassium
Calcium
Chloride
Bicarbonate

Answer 10

Sodium

Question 11

If we injected lactic acid into the bloodstream of a resting individual and measure arterial pH, the pH would be
Group of answer choices
Low
High
Unchanged

Answer 11

Low

Question 12

Which of the following numbers might represent arterial blood measurements of a human shortly after arriving at 14,000 feet?
Group of answer choices
pH = 7.2, PCO2 = 60 mm Hg, bicarb = 32 mEq/L
pH = 7.2, PCO2 = 20 mm Hg, bicarb = 24 mEq/L
pH = 7.6, PCO2 = 60 mm Hg, bicarb = 32 mEq/L
pH = 7.6, PCO2 = 20 mm Hg, bicarb = 24 mEq/L
pH = 7.4, PCO2 = 40 mm Hg, bicarb = 24 mEq/L

Answer 12

pH = 7.6, PCO2 = 20 mm Hg, bicarb = 24 mEq/L

Question 13

If a person’s arterial blood gas numbers were as follows, the person is ______________.
PO2 = 85 mm Hg
PCO2 = 30 mm Hg
Group of answer choices
Hyperventilating
Hypoventilating
Euventilating (neither hyperventilating nor hypoventilating)

Answer 13

Hyperventilating

Question 14

If a person’s respiratory rate increases from 12/minute to 16 per minute with no change in tidal volume, but there is no change in arterial PO2 or PCO2, they are
Group of answer choices
Hyperventilating
Hypoventilating
Euventilating (neither hyperventilating nor hypoventilating)

Answer 14

Euventilating (neither hyperventilating nor hypoventilating)

Question 15

Please choose numbers you might expect to see from someone who has been vomiting for 24 hours:
Group of answer choices
pH = 7.2, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L
pH = 7.2, PCO2 = 25 mm Hg, Bicarb = 16 mEq/L
pH = 7.6, PCO2 = 25 mm Hg, Bicarb = 16 mEq/L
pH = 7.6, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L

Answer 15

pH = 7.6, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L

Question 16

If we inject someone with lactic acid, which of the following numbers would make sense?
Group of answer choices
pH = 7.2, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L
pH = 7.2, PCO2 = 25 mm Hg, Bicarb = 16 mEq/L
pH = 7.4, PCO2 = 40 mm Hg, Bicarb = 24 mEq/L
pH = 7.6, PCO2 = 25 mm Hg, Bicarb = 16 mEq/L
pH = 7.6, PCO2 = 60 mm Hg, Bicarb = 32 mEq/L

Answer 16

pH = 7.2, PCO2 = 25 mm Hg, Bicarb = 16 mEq/L

Question 17

The major extracellular cation is
Group of answer choices
Sodium
Potassium
Calcium
Chloride
Bicarbonate

Answer 17

Sodium

Question 18

The major intracellular cation is
Group of answer choices
Sodium
Potassium
Calcium
Chloride
Bicarbonate

Answer 18

Potassium

Question 19

Many choice (choose 3): Imagine a drug that shuts down the glycolytic pathway. In this case
Group of answer choices
Acetyl CoA levels within cells would rise
Acetyl CoA levels within cells would fall
Ketoacids in the blood would rise
Ketoacids in the blood would fall
Blood pH would rise
Blood pH would fall

Answer 19

Acetyl CoA levels within cells would rise

Ketoacids in the blood would rise

Blood pH would fall

Question 20

If we injected lactic acid into the bloodstream of a resting individual,
Group of answer choices
Ventilation would increase.
Ventilation would decrease.
Ventilation would not change.

Answer 20

Ventilation would increase.

Question 21

If we injected lactic acid into a resting individual, hemoglobin leaving a systemic capillary would be
Group of answer choices
More saturated with oxygen.
Less saturated with oxygen.
Oxygen saturation would not change.

Answer 21

Less saturated with oxygen.

Question 22

Which of the following numbers might represent arterial blood measurements of a human one week after arriving at 14,000 feet? (assume the person has not yet completely adapted)
Group of answer choices
pH = 7.3, PCO2 = 50 mm Hg, bicarb = 32 mEq/L
pH = 7.3, PCO2 = 30 mm Hg, bicarb = 24 mEq/L
pH = 7.5, PCO2 = 50 mm Hg, bicarb = 32 mEq/L
pH = 7.5, PCO2 = 30 mm Hg, bicarb = 24 mEq/L
pH = 7.5, PCO2 = 30 mm Hg, bicarb = 19 mEq/L

Answer 22

pH = 7.5, PCO2 = 30 mm Hg, bicarb = 19 mEq/L

Question 23

If a person’s respiratory rate increases from 12/minute to 16 per minute with no change in tidal volume, but there is no change in arterial PO2 or PCO2, the respiratory system would be
Group of answer choices
Increasing pH
Decreasing pH
Maintaining pH

Answer 23

Maintaining pH