BRTP 04

Question 1

PP of inspired O2 and value

Answer 1

PI02/159mmHg

Question 2

PP of oxygen in the alveoli

Answer 2

PA02/99-100mmHg

Question 3

PP of oxygen in arterial blood

Answer 3

PaO2/80-100mmHg

Question 4

PP of oxygen in mixed venous blood

Answer 4

PvO2/40 mmHg

Question 5

Oxygen saturation of hemoglobin in arterial blood

Answer 5

SaO2 95-97.5%

Question 6

Oxygen saturation of Hgb in mixed venous blood

Answer 6

SvO2 75%

Question 7

PP of CO2 in mixed venous blood

Answer 7

PvCO2 45mmHg

Question 8

PP of CO2 in alvelo

Answer 8

40 mmhg

Question 9

PP of inspired CO2``

Answer 9

PICO2 0.23 mmHg

Question 10

PP of CO2 in arterial blood

Answer 10

PaCO2 35-45 mmHg

Question 11

When does cyanosis become visible?

Answer 11

5gm/100ml or 5 gms%

Question 12

Purpose of secondary polycythemia

Answer 12

Helps increase RBC in order to lower levels of oxygen in the blood

Question 13

which two types of hypoxia respond well to O2 therapy?

Answer 13

Hypoxemia and Anemic hypoxia

Question 14

4 typer of hypoxia

Answer 14

hyopxemia, anemic, circulatory, and histotoxic

Question 15

pulmonary blood is exposed to alveolar gas typically for what time?

Answer 15

0.75 seconds

Question 16

which type of hypoxia is associated with cyanide poisoning?

Answer 16

Histotoxic, and O2 therapy will not help. Need to administer cyanocobalamin

Question 17

Whoch types of hypoxia can be treated by oxygen therapy?

Answer 17

hypoxemia and anemic

Question 18

Circulatory hypoxia is commonly associated with what?

Answer 18

Its commonly assiciated with ischemia

Question 19

Normal Hgb levels

Answer 19

12-16 gm/dl

Question 20

A prolonged exposure of FiO2 of >50% can result in what

Answer 20

Oxygen toxicity

Question 21

how is retinopathy caused?

Answer 21

By giving an infant oxygen and raising the PaO2 greater than 80 mmHg

Question 22

Actual values for hypoxemia

Answer 22

PaO2 <60mmHg or SaO2 <90%