Normal Lab Values

Question 1

pH

Answer 1

7.4 (7.35-7.45)

Question 2

PaCO2

Answer 2

40 mm Hg (35-45 mm Hg)

Question 3

PaO2

Answer 3

97 mm Hg (80-100 mm Hg)

Question 4

HCO3-

Answer 4

24 mEq/L (22-26)

Question 5

SaO2

Answer 5

95-98%

Question 6

Hypoxemia

Answer 6

Decreased amount of O2 in blood

< 80 mmHg PaO2

Question 7

Mild hypoxemia

Answer 7

PaO2: 60-79 mmHg

Question 8

Moderate hypoxemia

Answer 8

PaO2: 40-59 mmHg

Question 9

Severe hypoxemia

Answer 9

PaO2: < 40 mmHg

Question 10

Hypoxia

Answer 10

Low level of O2 in tissues despite adequate tissue perfusion

Question 11

Normal BP in adults

Answer 11

< 120 mm Hg SBP and < 80 mm Hg DBP

Question 12

Prehypertension in adults

Answer 12

120-139 SBP
or
80-89 DBP

Question 13

Stage 1 hypertension in adults

Answer 13

140-159 SBP
or
90-99 DBP

Question 14

Stage 1 hypertension in adults

Answer 14

> = 160 SBP
or
= 100 DBP

Question 15

For children ages 3-17, BP is classified by SBP and DBP percentiles based on?

Answer 15

Age, sex, and height

Question 16

Normal BP in children 3-17

Answer 16

SBP and DBP < 90th percentile

Question 17

Prehypertension in children 3-17

Answer 17

SBP and DBP >= 90th %ile

Question 18

Stage 1 hypertension in children 3-17

Answer 18

SBP and/or DBP >= 95th %ile
to
<= 99th %ile plus 5 mm Hg

Question 19

Stage 2 hypertension in children 3-17

Answer 19

SBP and/or DBP > 99th %ile plus 5 mm Hg

Question 20

Complete lipid profile

Answer 20

Total cholesterol
High-dens lipoprotein (HDL)
Low-dens lipoprotein (LDL)
Triglycerides

Question 21

HDL is referred to as?

Answer 21

“Good” cholesterol

Carries away LDL and protects against atherogenesis

Question 22

LDL is referred to as?

Answer 22

“Bad” cholesterol

Assoc w/ buildup of fatty plaques w/in arteries, which reduce blood flow

Question 23

High levels of triglycerides are seen in?

Answer 23

• Overweight people
• Consuming too many sweets or alcohol
• Pts w/ diabetes - elevated blood sugar levels

Question 24

Serum Cholesterol Values (total)

Answer 24

< 200 mg/dL = desirable
200-239 = borderline
>240 = high

Question 25

Serum Cholesterol Values (LDL)

Answer 25

``` < 100 mg/dL = optimal 100-129 = near optimal 130-159 = borderline 160-189 = high >= 190 = very high ```

Question 26

Serum Cholesterol Values (HDL)

Answer 26

< 40 mg/dL = low | >= 60 = high

Question 27

Serum Cholesterol Values (Triglyceride)

Answer 27

< 150 mg/dL = desirable 150-199 = borderline 200-499 = high >= 500 = very high

Question 28

Complete Blood Count (CBC)

Answer 28

``` RBC count Total WBC count WBC differential Platelets Hemoglobin Hematocrit ```

Question 29

CBC used to assess what?

Answer 29

- Health - Diagnose and monitor medical condition - Monitor effects of medical tx

Question 30

CBC Values (Erythrocytes)

Answer 30

``` Males = 4.3 - 5.6 x 10^6/mL Females = 4.0 - 5.2 x 10^6/mL ```