ABG Lecture

Question 1 of 22

1

Blood gas data does not assess which of the following processes?

Select one of the following:

Oxygenation
Ventilation
Acid-base balance
Perfusion

Explanation

Question 2 of 22

1

Fill the blank spaces to complete the text.

When has a person has acidemia, the H* ion concentration in the blood is while in alkalemia, the H* ion concentration in the blood is .

Explanation

Question 3 of 22

1

Base excess has a normal value of ❌. A negative value of base excess indicates metabolic acidosis while a positive value indicates metabolic alkalosis.

Drag and drop to complete the text.

zero

positive

negative

1

Explanation

Question 4 of 22

1

A pH of 7.0 is what amount of hydrogen ions?

Select one of the following:

1,000
100
40
10

Explanation

Question 5 of 22

1

Which is the first line of defense to maintain homeostasis?

Select one of the following:

Bicarbonate
Hemoglobin
Protein
Phosphate

Explanation

Question 6 of 22

1

Fill the blank space to complete the text.

is when an acid donates H* to the base.

Explanation

Question 7 of 22

1

Which of the following pKa values would be the strongest acid?

Select one of the following:

50
25
10
-5

Explanation

Question 8 of 22

1

Fill the blank spaces to complete the text.

Label the steps of the following in the bicarbonate buffer system.

Carbon dioxide combines with water

H* and bicarbonate products are formed

Carbonic acid is formed

Carbonic acid dissociates

Explanation

Question 9 of 22

1

Fill the blank space to complete the text.

This image is an example of the .

Explanation

Question 10 of 22

1

Fill the blank spaces to complete the text.

According to the Henderson-Hasselbach equation, pH is related to bicarb and related to PaCO2.

Explanation

Question 11 of 22

1

Fill the blank space to complete the text.

Hemoglobin protein can reversibly bind either to H* (the protein) or 02 (to the Fe of the heme group). When one substance is bound, the other is .

Explanation

Question 12 of 22

1

What's another word for a hamburger shift?

Select one of the following:

Chloride shift
Potassium shift
Sodium shift
Bicarbonate shift

Explanation

Question 13 of 22

1

What chemoreceptor is responsible for 85 percent of the ventilatory response to increased PaC02?

Select one of the following:

Peripheral
Central
Afferent
Efferent

Explanation

Question 14 of 22

1

The proximal tubules of the kidneys regulate what?

Select one of the following:

H* levels
Plasma bicarbonate levels
Oxygen levels

Explanation

Question 15 of 22

1

What medication inhibits carbonic anhydrase inhibitors, which impairs bicarb absorption?

Select one of the following:

Acetazolamide
Lasix
Diuril

Explanation

Question 16 of 22

1

Fill the blank space to complete the text.

A compensatory response to acid-base disturbances is in the direction as the disturbance.

Explanation

Question 17 of 22

1

What is the threshold pH that indicates need for intubation?

Select one of the following:

7.3
7.2
7.1
7.0

Explanation

Question 18 of 22

1

With metabolic alkalosis with chronic respiratory acidosis, you should avoid mechanical hyperventilation.

Select one of the following:

True
False

Explanation

Question 19 of 22

1

Select from the dropdown lists to complete the text.

Fill in the equation for an anion gap:
AG = ( Na, K, Cl, HCO3 ) - ([( Cl, K, Na, HCO3 )] - [( HCO3, Na, Cl, K )])

Explanation

Question 20 of 22

1

Which of the following are indicators of the severity of metabolic acidosis? (Select all that apply)

Select one or more of the following:

Base deficit
Lactate levels
pKa levels
Bicarb levels

Explanation

Question 21 of 22

1

What is the calculation for sodium bicarbonate resuscitation in metabolic acidosis?

Base deficit X patient weight in kilograms X WHAT? = mEq of NaCHO3; Divide this dose in half and re-test after initial dose.

	Created by Rachel Nall about 8 years ago

These are questions from the ABG Lecture

ABG Lecture

ABG Lecture

Question 1 of 22

Blood gas data does not assess which of the following processes?

Select one of the following:

Explanation

Question 2 of 22

Fill the blank spaces to complete the text.

When has a person has acidemia, the H* ion concentration in the blood is while in alkalemia, the H* ion concentration in the blood is .

Explanation

Question 3 of 22

Base excess has a normal value of ❌. A negative value of base excess indicates metabolic acidosis while a positive value indicates metabolic alkalosis.

Drag and drop to complete the text.

Explanation

Question 4 of 22

A pH of 7.0 is what amount of hydrogen ions?

Select one of the following:

Explanation

Question 5 of 22

Which is the first line of defense to maintain homeostasis?

Select one of the following:

Explanation

Question 6 of 22

Fill the blank space to complete the text.

is when an acid donates H* to the base.

Explanation

Question 7 of 22

Which of the following pKa values would be the strongest acid?

Select one of the following:

Explanation

Question 8 of 22

Fill the blank spaces to complete the text.

Label the steps of the following in the bicarbonate buffer system. Carbon dioxide combines with water H* and bicarbonate products are formed Carbonic acid is formed Carbonic acid dissociates

Explanation

Question 9 of 22

Fill the blank space to complete the text.

This image is an example of the .

Explanation

Question 10 of 22

Fill the blank spaces to complete the text.

According to the Henderson-Hasselbach equation, pH is related to bicarb and related to PaCO2.

Explanation

Question 11 of 22

Fill the blank space to complete the text.

Hemoglobin protein can reversibly bind either to H* (the protein) or 02 (to the Fe of the heme group). When one substance is bound, the other is .

Explanation

Question 12 of 22

What's another word for a hamburger shift?

Select one of the following:

Explanation

Question 13 of 22

What chemoreceptor is responsible for 85 percent of the ventilatory response to increased PaC02?

Select one of the following:

Explanation

Question 14 of 22

The proximal tubules of the kidneys regulate what?

Select one of the following:

Explanation

Question 15 of 22

What medication inhibits carbonic anhydrase inhibitors, which impairs bicarb absorption?

Select one of the following:

Explanation

Question 16 of 22

Fill the blank space to complete the text.

A compensatory response to acid-base disturbances is in the direction as the disturbance.

Explanation

Question 17 of 22

What is the threshold pH that indicates need for intubation?

Select one of the following:

Explanation

Question 18 of 22

With metabolic alkalosis with chronic respiratory acidosis, you should avoid mechanical hyperventilation.

Select one of the following:

Explanation

Question 19 of 22

Select from the dropdown lists to complete the text.

Fill in the equation for an anion gap: AG = Na K Cl HCO3( Na, K, Cl, HCO3 ) - ([Cl K Na HCO3( Cl, K, Na, HCO3 )] - [HCO3 Na Cl K( HCO3, Na, Cl, K )])

Explanation

Question 20 of 22

Label the steps of the following in the bicarbonate buffer system.

Carbon dioxide combines with water

H* and bicarbonate products are formed

Carbonic acid is formed

Carbonic acid dissociates

Fill in the equation for an anion gap:
AG = ( Na, K, Cl, HCO3 ) - ([( Cl, K, Na, HCO3 )] - [( HCO3, Na, Cl, K )])

What is the calculation for sodium bicarbonate resuscitation in metabolic acidosis?

Base deficit X patient weight in kilograms X WHAT? = mEq of NaCHO3; Divide this dose in half and re-test after initial dose.