Oxygenation

Question 1

(PP) Function of surfactant

Answer 1

Prevent alveolar collapse

Alveolar surface tension and ventilation

Question 2

(PP) Cells that produce surfactant

Answer 2

Alveolar type II

Question 3

(PP) The nerve that innervates the diaphragm

Answer 3

Vagus nerve

Question 4

Which takes longer, inspiration or expiration?

Answer 4

Expiration

Question 5

Symptoms of lung collapse

Answer 5

Dyspnea
Cough
Fever
Leukocytosis

Question 6

Describe 4 steps of Gas Transport

Answer 6

1. Ventilation of lungs
2. Diffusion of oxygen from alveoli into the capillary blood
3. Perfusion of systemic capillaries with oxygenated blood
4. Diffusion of oxygen from systemic capillaries into the cells

Question 7

Sputum of someone with pulmonary edema

Answer 7

Pink and frothy

Question 8

Pulmonary edema causes high pressure in which lung

Answer 8

Left lung

Question 9

J receptors

Answer 9

Cause rapid and shallow breathing when initiated

Question 10

Why does RBC increase when at higher elevation?

Answer 10

Less O2

Question 11

(PP) Shift to the left

Answer 11

Increases O2 to hemoglobin

Question 12

(PP) Shift to the right

Answer 12

Increases O2 to the tissues

Question 13

(PP) Factors causing shift to the left

Answer 13

Increased pH
Decreased Temperature
Decreased PCO2

Question 14

(PP) Factors causing shift to the right

Answer 14

Decreased pH
Increased Temperature
Increased PCO2
Increased 2,3 DPG

Question 15

Kussmaul respirations

Answer 15

Deep, regular, & increased rate

Question 16

Pulmonary edema

Answer 16

Caused by left sided HF

Excess water in lungs

Question 17

Absorption atelectasis

Answer 17

If give higher than 50% O2 too quickly, nitrogen gets washed out and alveoli collapse