Important Lab Values

Question 1

Normal lab values of sodium

Answer 1

135-145

Question 2

Normal values of potassium

Answer 2

3.5-5.5

Question 3

Normal values of calcium

Answer 3

8.4-10.5

Question 4

Normal values of magnesium

Answer 4

1.5-2.5

Question 5

Normal Pa02 values

Answer 5

80-100

Question 6

Normal pH levels

Answer 6

7.35-7.45

Question 7

What does high pH indicate?
What does low pH indicate?

Answer 7

High pH: alkalosis
Low pH: acidosis

Question 8

Normal levels of PaCO2:
Respiratory or metabolic?

Answer 8

35-45
Respiratory component

Question 9

Normal levels of HC03:
Respiratory or metabolic?

Answer 9

22-26
Metabolic component - bicarbonate

Question 10

Acid base mnemonic (ROME)

Answer 10

Respiratory Opposite:
⬆️pH ⬇️PCO2 = alkalosis
⬇️pH ⬆️PC02 = acidosis
Metabolic Equal:
⬆️pH ⬆️HCO3 = alkalosis
⬇️pH ⬇️HCO3 = acidosis

Question 11

Normal BUN levels

Answer 11

10-20

Question 12

Normal creatinine levels

Answer 12

Female: 0.5-1.1
Male: 0.6-1.2

Question 13

Normal glucose levels

Answer 13

70-110

Question 14

Normal levels of LDL cholesterol:

Answer 14

<100

Question 15

Normal level for total amount of cholesterol

Answer 15

<200

Question 16

Normal A1C:

Answer 16

Below 5.7%
Prediabetes: 5.7-6.4%
Diabetes: 6.5+ (type 2 diabetes)

Question 17

Normal HDL cholesterol levels:

Answer 17

> 60

Question 18

Practice ABG question:
What is the patient experiencing with pH: 7.31, CO2: 49, HCO3: 24

Answer 18

Respiratory acidosis
Ph: low
CO2: high
HCO3: normal

Respiratory: opposite

Question 19

Practice ABG:
What is a patient experiencing with ph: 7.5, co2: 36, HCO3: 29

Answer 19

Metabolic alkalosis
Ph: high
CO2: normal
HCO3: high

Metabolic: equal

Question 20

Practice ABG:
What is a patient experiencing with pH: 7.45, CO2: 36, HCO3: 25

Answer 20

All labs are in normal range

Question 21

Practice ABG:
What is a patient experiencing with pH: 7.6, CO2: 21, HCO3: 22

Answer 21

Respiratory alkalosis
Ph: high
CO2: low
HCO3: normal

Question 22

Practice ABG:
What is a patient experiencing with ph: 7.15, co2: 44, HCO3: 19

Answer 22

Metabolic acidosis
Ph: high
CO2: normal
HCO3: low

Question 23

What is the normal value for PT?
What do high/low levels indicate?

Answer 23

0.8-1.1

Question 24

What is the normal value of INR?
What do high/low levels indicate?

Answer 24

Less than 1.1

*value higher than 3.5 increases risk for bleeding problems/body takes too long to clot
Low value = clotting too fast

Question 25

Normal value of PTT
What do high/low levels indicate?

Answer 25

25-35

Measures the effect on clotting
High levels indicate: high risk for bleeding/the body is not clotting fast enough
Low levels indicate: the body is clotting too fast

Question 26

Normal values of hemoglobin:

Answer 26

11.6-15

Hemoglobin carries oxygen to tissues

Question 27

What is the normal lab value of hematocrit?
What is hematocrit?

Answer 27

Men: 41-50
Women: 36-48

% of RBC in blood