CH 41 Oxygenation

Question 1

Ventilation

Answer 1

The process of moving gases into and out of the lungs

Question 2

Perfusion

Answer 2

The ability of the cardiovascular system to pump oxygenated blood to the tissues and return deoxygenated blood to the lungs

Question 3

Diffusion

Answer 3

Exchange of respiratory gases in the alveoli and capillaries

Question 4

Surfactant

Answer 4

Chemical produced in the lungs to maintain the surface tension of the alveoli and keep them from collapsing.

Question 5

Atelectasis

Answer 5

Collapse of the alveoli that prevents the normal exchange of oxygen and carbon dioxide.

Question 6

What is normal cardiac output?

Answer 6

Normal cardiac output is 4 to 6 L/min in the healthy adult at rest

Question 7

What is the natural pacemaker of the heart?

Answer 7

the SA node

Question 8

What happens as a result of myocardial ischemia?

Answer 8

results in angina, myocardial infarction (MI) and/or acute coronary syndrome (ACS)

Question 9

Hemoptysis

Answer 9

bloody sputum

Question 10

Thoracentesis

Answer 10

a large needle is used to drain the pleural space of excess

Question 11

What is the most effective position for promotion of lung expansion ?

Answer 11

45-degree semi-Fowler’s position

Question 12

pneumothorax

Answer 12

a collection of air in the pleural space

Question 13

hemothorax

Answer 13

an accumulation of blood and fluid in the pleural cavity between the parietal and visceral pleurae

Question 14

Chest tube

Answer 14

A catheter placed through the thorax to remove air and fluids from the pleural space, to prevent air from re-entering, or to re-establish intrapleural and intrapulmonic pressures

Question 15

What is the oxygen concentration of room air?

Answer 15

21%

Question 16

Venturi mask

Answer 16

allows adjustable mixing with room air

Question 17

True or False? Patients with COPD who are breathing spontaneously should never receive high levels of oxygen therapy because this may result in a decreased stimulus to breathe

Answer 17

true

Question 18

True of False? you can always administer oxygen without a healthcare provider’s order

Answer 18

False, do not administer oxygen at more than 2 L/min unless a health care provider’s order is obtained.

Question 19

What are some noticeable issues with a chest drain?

Answer 19

Bubbling in water seal chamber

Test tube dislodging

Question 20

What are the steps to hooking up a chest drain to suction?

Answer 20

1. Fill water seal chamber to 2 cm line
2. Connect chest drain to patient
3. Add the sterile water to ordered suction level
4. Hang below the level of the patients chest
5. Connect to suction if ordered – fill suction control chamber to 20 cm
6. Encourage the patient to change positions/ cough and deep breathe frequently

Question 21

Nasal Canula oxygen amount

Answer 21

up to 6L

Question 22

Non -rebreather mask oxygen amount

Answer 22

10-15 L

Question 23

Trach oxygen

Answer 23

10 L

Question 24

Face mask oxygen

Answer 24

over 6 L

Question 25

CO2 ans HCO3 levels

Answer 25

CO2 level – 35-45

HCO3 level – 22-28