lab values

Question 1

Hgb g/dL

Answer 1

Male: 14-18 Female: 12-16
High-altitude living increases values. Drug therapy can alter.
Slight decrease with pregnancy.

Question 2

Hct %

Answer 2

Male: 42-52 Female: 37-47

Abnormalities in RBC size may alter Hct values

Question 3

RBC million/ mm3

Answer 3

Male: 4.7-6.1 Female: 4.2-5.4

Exercise & high altitudes can cause an increase in values.

Question 4

WBC 1000/ mm3

Answer 4

Both sexes: 5-10

Anesthetics, stress, exercise, and convulsions can cause increased values.

Question 5

Platelet count 1000/ mm3

Answer 5

Both sexes: 150-400

Values may increase if living at high altitudes, exercising strenuously, or taking oral contraceptives

Question 6

SED rate, ESR Erythrocyte sedimentation rate:

mm/hr

Answer 6

Male: up to 15 Female: up to 20

Rate is elevated during 2nd & 3rd trimester of pregnancy.

Question 7

PT Prothrombin time: seconds

Answer 7

Both sexes: 11-12.5

Used in regulating Coumadin therapy.

Question 8

INR International Normalized Ratio

Answer 8

Both sexes: 0.8-1.1

Used to monitor anticoagulation therapy.

Question 9

PTT

Partial thromboplastin time: seconds

Answer 9

Both sexes: 60-70

It is used in regulating heparin therapy

Question 10

aPTT

Activated partial thromboplastin time: seconds

Answer 10

Both sexes: 3-4

It is used in regulating heparin therapy.

Question 11

Alkaline phosphatase: IU/L

Answer 11

Both sexes: 30-120

Hemolysis of specimen can cause a false elevation in values.

Question 12

Albumin: g/dL

Answer 12

Both sexes: 3.5-5

No special preparation is needed.

Question 13

Bilirubin total: mg/dL

Answer 13

Total: 0.3-1 Indirect: 0.2-0.8 Direct: 0.1-0.3
Client is to be NPO except for water for 8-12 hours prior to testing.
Do not shake tube.

Question 14

Total Calcium: mg/dL

Answer 14

Both sexes: 9-10.5

No special preparation is needed.

Question 15

Chloride: mEq/L

Answer 15

Both sexes: 98-106

Question 16

Cholesterol: mg/dL

Answer 16

Both sexes: <200

Instruct client to fast 12-14 hours after eating a low-fat meal.

Question 17

HDL

Answer 17

Male: >45 Female: >55

Question 18

LDL

Answer 18

Male: <130

Target LDL is <70 for a client with high risk CHD.

Question 19

VLDL

Answer 19

Both Sexes: 2-30

Question 20

Triglycerides: mg/dL

Answer 20

Male: 40-160 Female: 35-135

Client is NPO 12 hours prior to testing. No alcohol for 24 hours before testing.

Question 21

CPK

Answer 21

Male: 55-170 Female: 30-135

Specimen must not be stored prior to running test

Question 22

Glucose

Answer 22

Both sexes: 70-110

Client to be NPO except for water 8 hour prior to testing. Caffeine can cause increased values

Question 23

A1C: Glycosylated Hemoglobin

Answer 23

Non-diabetic: 4-6% Diabetic: <7%

Question 24

CO2

Answer 24

Both sexes: 23-30

Question 25

Iron:

mcg/dL

Answer 25

Male: 80-180 Female: 60-160

Client to be NPO 8 hours prior to testing