AEMT 16

Question 1

What is the funcntion of the respiratory system?

Answer 1

To obtain oxygen needed for cell metabolism and to eliminate carbone dioxide produced by cell metabolism.

Question 2

What is resperation?

Answer 2

The process of gas exchange

Question 3

Respiratoy support for metabolism requires what?

Answer 3

Ventilation and respiration.

Question 4

The process of moving air in and out of the lungs is a mechanical process called?

Answer 4

Ventilation.

Question 5

Once air enters the lungs, oxygen and carbon dioxide are exchanged across the respiratory membrane composed of the alveolar and pulmonary capillary walls in a process called?

Answer 5

External respiration

Question 6

The exchange of oxygen and carbon dioxide between the blood and the cells of the body is called

Answer 6

Internal resperation.

Question 7

When carbon dioxide levels increase of oxygen levels decrease what signals the medulla oblingata?

Answer 7

Chemoreceptors in the aortic arch, carotid arteries and central nervous system.

Question 8

What is it called when the stretch receptors in the lungs send signals that teminate insiration and the diaphragm and intercostal muscles relax?

Answer 8

Hering-Breuer reflex

Question 9

When the chest is compressed during CPR, the increase in intrathoacic pressure forces what?

Answer 9

Blood out of the heart

Question 10

It is important to make sure the chest wall is allowed to completely recoin between compressions in order to?

Answer 10

Allow the return of blood to the heart

Question 11

Gag reflex prevents foreign material from entering what?

Answer 11

Hypopharynx

Question 12

What occurs when oxygen is delivered to the cellular level by the hemoblobin in red blood cells and carbon dioxide from cellular metabolism diffuses into the blood?

Answer 12

internal respiration

Question 13

The internal respiration process can be affected by what?

Answer 13

metabolic changes and toxins

Question 14

What is alveolar ventilation?

Answer 14

the volume of air that reaches the aveoli each minute

Question 15

Alveolar ventilation is the function of both what?

Answer 15

the respiratory rate and the tidal volume.

Question 16

minute volume combinds the tital volume with what to measure the volume of air breathed each minute

Answer 16

respiratory rate

Question 17

150 ml of the tidal volume never reaches the aveoli it is called

Answer 17

dead space air

Question 18

when the titdal volume decreases does the dead space decrease as well?

Answer 18

no it reamains constant at the expense of the alveolar ventialtion

Question 19

When you encounter a patient with airway edema what should you do

Answer 19

transport without delay

Question 20

The lower airway involves

Answer 20

all structures blow the glottis

Question 21

Patients with bronchoconstrictions usually have?

Answer 21

Wheezing on expiration.

Question 22

When assessing circulation you need to ensure you have located and controlled what?

Answer 22

significant bleeding

Question 23

Stridor, coughing, gurgling or wheezing are indications of what?

Answer 23

respiratory distress

Question 24

If you are in doubt about air momevement what should you do?

Answer 24

auscultate both sides of the chest

Question 25

an spO2 of less than 95% is a sign of ?

Answer 25

inadequate breathing