Ch 34 - Diagnostic Tests for Nurses

Question 1

creatinine

Answer 1

0.5 - 1.5 mg/dL

Question 2

sodium

Answer 2

135 - 145 mEq/L

Question 3

chloride

Answer 3

95 - 105 mEq/L

Question 4

potassium

Answer 4

3.5 - 5.3 mEq/L

Question 5

magnesium

Answer 5

1.5 - 2.5 mEq/L

Question 6

glucose

Answer 6

70 - 100 mg/dL

Question 7

urea nitrogen (BUN)

Answer 7

5 - 25 mg/dL

Question 8

hematocrit (Hct) m/f

Answer 8

m: 40 - 54 %
f: 36 - 46 %

Question 9

Hemoglobin (Hgb) m/f

Answer 9

m: 13.5 - 18 g/dL
f: 12 - 15 g/dL

Question 10

Hemoglobin A1C (HbA1C)

Answer 10

4 - 5.5 %

Question 11

leukocytes (WBC)

Answer 11

4,500 - 10,000 mm3
[ 4.5 - 10 ]

Question 12

neutrophils

Answer 12

50 - 70 %

Question 13

lymphocytes

Answer 13

25 - 35 %

Question 14

partial thromboplastin time (PTT)
[ range/drug/tx ]

Answer 14

20 - 35 seconds
60 - 90 seconds (IV heparin)
tx: protamine sulfate

intrinsic

Question 15

prothrombin time (PT) / INR (therapeutic vs critical)
[ range/drug/tx ]

Answer 15

PT: 10 - 13 seconds

INR T: 2 - 3

INR C: >5

drug: coumadin/ warfarin
tx: vitamin K/FFP

extrinsic

Question 16

platelet count

Answer 16

150k- 400k mm3

Question 17

what drugs do you need therapeutic levels on?

Answer 17

antibiotics
cardiac meds
seizure meds

Question 18

Chem 7/Basic Metabolic Panel (BMP)

Answer 18

electrolyte panel

includes:
sodium
potassium
chloride
CO2/HCO3
BUN
creatinine
glucose

Metabolic adds *calcium

Question 19

what is a CMP blood test?

Answer 19

comprehensive metabolic panel

BMP + Liver labs

albumin
total protein
ALP
ALT
AST
Bilirubin

Question 20

calcium

Answer 20

9 - 11 mg/dL

Question 21

three phases of diagnostic testing

Answer 21

1. pre-test
   - client prep
2. intra-test
   - specimen collection
3. post-test
   - f/u