Arterial Blood Gasses

Question 1

Normal SpO2

Answer 1

98-100%

Question 2

Normal PaO2

Answer 2

90-100mmHg

Question 3

Normal PaCo2

Answer 3

35-45 mmHg

Question 4

Normal pH

Answer 4

7.35-7.45

Question 5

SpO2 below ___ usually requires supplemental O2

Answer 5

88-90%

Question 6

O2 ___ in hyper oxygenation and ___ in cardiac decompensation, COPD and some neuromuscular disorders

Answer 6

increases, decreases

Question 7

PaCO2 ___ in COPD and Hypoventilation

Answer 7

increases

Question 8

PaCO2 ___ in hyperventilation, pregnancy, pulmonary embolism and anxiety

Answer 8

decrease

Question 9

PaCO2 decreases w/ what conditions?

Answer 9

hyperventilation, pregnancy, pulmonary embolism and anxiety

Question 10

pH ___ in respiratory alkalosis

Answer 10

increases

Question 11

pH ___ in metabolic alkalosis

Answer 11

increases

Question 12

signs of respiratory alkalosis

Answer 12

NO CARBS

Numbness/ting
Orthostatic hypotension
Confusion
Anxiety
Rapid breathing
Dizziness
Seizures

Question 13

signs of respiratory acidosis

Answer 13

CARBS

Confusion
Agitation
Restlessness
Blurred Vision
Seizures

Question 14

What can cause respiratory alkalosis?

Answer 14

hyperventilation, sepsis, liver disease, fever

Question 15

signs of metabolic alkalosis

Answer 15

Tetany
Tingling
Tremors
Tachycardia

Question 16

what can cause metabolic alkalosis>

Answer 16

vomiting, potassium depletion, dieuretic, volume depletion

Question 17

pH ___ in respiratory acidosis

Answer 17

decreases

Question 18

what can cause respiratory acidosis?

Answer 18

hypoventilation, COPD, respiratory depressants, myasthenia

Question 19

pH ___ in metabolic acidosis?

Answer 19

decreases

bicarbonate deficit

Question 20

what can cause metabolic acidosis?

Answer 20

increased acids (diabetes, alcohol, starvation), renal failure, increased acid intake and loss of alkaline body fluids