Lab Values

Question 1

Calcium

Answer 1

9-10.5 mg/dL

Question 2

Potassium

Answer 2

3 - 5.2 mEq/L

Question 3

BUN

Answer 3

10 - 20 mg/dL

Question 4

Sodium

Answer 4

135 - 145 mmol/L

Question 5

WBC

Answer 5

4 - 10,000 mm3

Question 6

Magnesium

Answer 6

1.2 - 2.2 mEq/L

Question 7

Platelets

Answer 7

140 - 400,000 mm3

Question 8

RBC

Answer 8

4.2 - 5.9 million/mm3

Question 9

What do we expect to see in a geriatric patient’s RBC count?

Answer 9

A decrease

Question 10

Hgb

Answer 10

12 - 18 g/dL

Question 11

INR

Answer 11

2 - 3

Question 12

What is the only medication that uses INR?

Answer 12

Warfarin therapy

Question 13

Glucose

Answer 13

60 - 110 mg/dL

Question 14

Creatinine

Answer 14

0.7 - 1.4 mg/dL

Question 15

Specific gravity

Answer 15

1.005 - 1.025

Question 16

Protein

Answer 16

6.0 - 8.2 g/dL

Question 17

Hematocrit

Answer 17

40 - 50%

Question 18

What lab value is Hematocrit related to?

Answer 18

It is normally 3x Hgb

Question 19

Prealbumin

Answer 19

10 - 40 mg/dL

Ideally 10 - 20

Question 20

What does prealbumin measure?

Answer 20

Protein metabolism over the last 72 hours

Question 21

Phosphorous

Answer 21

2.5 - 4.5 mg/dL

Question 22

With what mineral does phosphorous have an inverse relationship?

Answer 22

Calcium

Question 23

What is an expected side effect of all medication?

Answer 23

Suppression of WBC/bone marrow

Question 24

Which mineral is associated strongly with heart function?

Answer 24

Potassium

Question 25

If you have too much blood calcium, what happens?

Answer 25

Kidney stones