Labs & Other Studies

Question 1

define hematocrit

Answer 1

packed RBC volume / total blood volume

Question 2

lab tests for 19 y/o female who is to receive general anesthesia

Answer 2

Beta-HCG-UCG

Question 3

what are some normal hematology lab values?

Answer 3

White Blood Cell Count (WBC)(cells/ml): 4,500-10,000
Red Blood Cell Count (RBC)(x 10 6): 4.0-5.5
Hemoglobin (Hgb)(g/dl): 12.0-16.5
Hematocrit (Hct)(%): 36-50
Mean Corpuscular Volume (MCV): 80-100
Platelet Count (plt): 100,000-450,000

Question 4

what are some normal values for a complete metabolic panel?

Answer 4

Sodium (Na)( mEq/L): 135-147
Potassium (K)(mEq/L): 3.5-5.2
Chloride (Cl)(mEq/L): 95-107
Bicarbonate (HCO3) (mEq/L) 23-29
BUN (Blood Urea Nitrogen)(mg/dl): 7-20
Creatinine (Cr)(mg/dl): 0.5-1.4
Glucose (Glu) (mg/dl): 60-110

Question 5

what are normal bilirubin and alkaline phospatase values and what do they indicate?

Answer 5

Total Bilirubin (TB) (mg/dl): 0.1-1.2

Alkaline Phosphatase (Alk phos)(IU/L:) 33-153
liver function: bile duct or gallbladder issue

Question 6

what are some normal values for coagulation studies?

Answer 6

Protime (PT)(Extrinsic pathway): 10-14 seconds

Partial Prothrombin Time (PTT)(Intrinsic pathway): 25-39 sec

International Normalized Ratio (INR): 0.8-1.2
INR= PT test/PT normal

Question 7

what is the sensory threshold for NMB monitor?

Answer 7

4-5

Question 8

what is the motor threshold for NMB monitor?

Answer 8

12-15

Question 9

what is the super maximal stimulus threshold for NMB monitor?

Answer 9

40

Question 10

What is a irregularly irregular pulse?

Answer 10

Atrial fibrillation

Question 11

How do you calculate MAP?

Answer 11

(2D + S) / 3