Normal Values
Internal/External Respiration
Acid-Base Homeostatis
Blood Gas Interpretation
Causes of Acid-Base Imbalances
100

The normal range for pH

What is 7.35-7.45

100

Most gas inhaled during normal breathing enters what area of the lung?

What is the bases

100

This system is responsible for compensation during a chronic respiratory acidosis

What is the renal system

100

The following ABG is:

pH: 7.41

PaCO2: 39 mm Hg

PaO2: 91 mm Hg

HCO3: 23 mm Hg

Normal ABG

100

The most common cause of chronic respiratory acidosis

What is COPD

200

The normal range for PaCO2

What is 35-45 mm Hg

200

The volume of blood ejected by the heart each minute is called

What is the cardiac minute output 

200

True or false: minute ventilation is a reliable index of adequate ventilation

What is false

200

The following ABG is:

pH: 7.54

PaCO2: 30 mm Hg

PaO2: 44 mm Hg

HCO3: 23 mm Hg

Uncompensated respiratory alkalosis with severe hypoxemia

200

A patient experiencing extreme vomiting for over 24 hours, could cause this acid-base imbalance

What is metabolic alkalosis

300

The PaO2 range for moderate hypoxemia

What is 45-59 mm Hg

300

The minute to minute control of ventilation is mediated via

What is the PaCO2

300

This organ is responsible for majority of acid excretion

What is the lungs

300

The following ABG is:

pH: 7.37

PaCO2: 76 mm Hg

PaO2: 65 mm Hg

HCO3: 40 mm Hg

Fully compensated respiratory acidosis with moderate hypoxemia

300

The single most common and important cause of hyperventilation and respiratory alkalosis 

What is hypoxemia

400

The normal range for BE

What is 0 mEq/L (+) or (-) 2

400

The single most common cause of abnormal distribution of ventilation

What is secretions

400

The amount of CO2 entering the blood depends on

What is the metabolic rate

400

The following ABG is:

pH: 7.36

PaCO2: 30 mm Hg

PaO2: 84 mm Hg

HCO3: 20 mm Hg

Fully compensated metabolic acidosis with normal oxygenation

400

These two major organs are capable of losing base from the body.

What is the kidney's and the intestines

500

When the PaO2 is 60 mm Hg the SaO2 typically is

What is 90% saturated

500

Normal anatomic deadspace is (mL)

What is roughly 150 mL

500

This type of acid is capable of being converted into a gaseous form and excreted via the lungs

What is volatile acids

500

The following ABG is:

pH: 7.49

PaCO2: 48 mm Hg

PaO2: 74 mm Hg

HCO3: 28 mm Hg

Partially compensated metabolic alkalosis with mild hypoxemia

500

In the absence of O2, carbohydrate metabolism produces an accumulation of this type of acid

BONUS: Give an example of when this scenario might occur.

What is lactic acid

BONUS: What is an acute MI

600

The normal value for mixed venous blood PvO2

What is 40 mm Hg

600

Normal anatomic shunt at the AC membrane is approximately

What is 5%

600

State two major acid-base functions of the kidney.

What is excretion of fixed acids and regulation of blood [HCO3]

600

The following ABG is:

pH: 7.12

PaCO2: 64 mm Hg

PaO2: 59 mm Hg

HCO3: 28 mm Hg

Uncompensated Respiratory Acidosis with moderate hypoxemia

600

Uncontrolled diabetes can lead to this disorder

What is metabolic acidosis or diabetic ketoacidosis

700

The normal level of hemoglobin range in men and women

What is 13-15 g/dL (g/100 mL)

700

Normal O2 equilibration time with a normal AC membrane 

What is 0.25 seconds

700

Most of the HCO3 transporting CO2 from the tissues to the lungs originates in

What is the erythrocytes 

700

To determine whether or not a blood gas is completely compensated, one must evaluate

What is the pH

700

Salicylate intoxication will lead to this acid base disturbance in adults

What is respiratory alkalosis

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