labs

Question 1

For every change in PH of 0.10 what will the K+ change

Answer 1

0.6 in the opposite direction

Question 2

For every 10mEq change in HCO3 what will the PH change

Answer 2

0.15 in the same direction

Question 3

Prothrombin Time (PT)

Answer 3

11-13 sec

Question 4

Red blood cells (RBC)

Answer 4

M-4.3-5.7 million/mm3
F-3,8-5.1 million/mm3

Question 5

Partial Thromboplastin Time (PTT)

Answer 5

21-35 sec

Question 6

Chloride (Cl)

Answer 6

95-105 mEq/L

Question 7

Magnesium (Mg++)

Answer 7

1.5-2.5 mEq/L

Question 8

Calcium (Ca++)

Answer 8

8,5-10.5 mg/dl

Question 9

Phosphate (P04-)

Answer 9

1.8-2.6 mEq/L

Question 10

What is Respiratory Alkalosis

Answer 10

PH>7.4
CO2<35

Question 11

Blood Urea Nitrogen (BUN)

Answer 11

6-23 mg/dl

Question 12

How to calculate Anion Gap

Answer 12

Na-(Cl+HCO3)+K+
normal is 16-20

Question 13

Potassium (K+)

Answer 13

3.5-5.0 mEq/L

Question 14

What is metabolic acidosis

Answer 14

PH<7.4
HCO3 <22

Question 15

What is the most common finding in a pt experiencing acute respiratory deterioration

Answer 15

PaCO2 >50 mmHg

Question 16

What is respiratory acidosis

Answer 16

PH<7.35
CO2 >45

Question 17

Partial pressure of carbon dioxide
(PaCO2)

Answer 17

35-45 mmHg
>45 = respiratory acidosis
<35 = respiratory alkalosis

Question 18

Partial pressure of O2
(PaO2)

Answer 18

80-100 mmHg

Question 19

Does ETCO2 = PaCO2

Answer 19

yes

Question 20

White blood count
(WBC)

Answer 20

4500-10.500 /mm3

Question 21

Bicarbonate ion concentration- ABG test
HCO3

Answer 21

22-26 mEq/L

Question 22

Sodium (Na+)

Answer 22

135-145 mEq/L

Question 23

PH

Answer 23

7.35-7.45

Question 24

What is base excess (BE)

Answer 24

how much base (HCO3) the body is lacking.

Question 25

What is metabolic alkalosis

Answer 25

PH>7.45
HCO3 >26

Question 26

Serum bicarbonate (HCO3)

Answer 26

24-30 mEq/L

Question 27

Platelets

Answer 27

150,000 - 400,000 /mm3

Question 28

hematocrit

Answer 28

36-52%

Question 29

Hemoglobin

Answer 29

12,0-18.0 g/dl

Question 30

B-type Natriuretic peptide (BNP)

Answer 30

used to identify pt’s in heart failure
<100 pg/ml- indicates no heart failure.
>100 pg/ml- suggest heart failure is present

Question 31

BUN/creatinine ratio

Answer 31

10:1-20:1
>20:1- extrinsic renal disease
>10:1- renal disease

Question 32

Creatinine

Answer 32

M- 0.6-1.4 mg/dl

Question 33

For every 10 mmHg change in CO2 what will the PH change

Answer 33

0.8 in the opposite direction

Question 34

Formula for bicarb replacement

Answer 34

0.1 x wt(KG) x base defect = mEq bicarb needed

Question 35

serum osmolality

Answer 35

275-295 mOsm/kg H2O

Question 36

INR

Answer 36

0.8-1.1
if on Warfarin 2.0-3.0

Question 37

D-dimer

Answer 37

<250 mcg/ml

Question 38

troponin

Answer 38

<0.04 ng/ml