Chapter 50 Oxygenation Flashcards Preview

Fundamentals Exam 3 > Chapter 50 Oxygenation > Flashcards

Flashcards in Chapter 50 Oxygenation Deck (41):
1

Tachypnea

Rapid respirations is seen with fevers metabolic acidosis pain and hypoxemia

2

Bradypnea

Abnormally slow respiratory rate which can be seen in pt who have taken drugs such morphine or sedatives who have metabolic alkalosis who have increased intracranial pressure

3

Apnea

The absence of any breathing

4

Orthopnea

Inability to breath easily unless sitting upright or standing

5

Dyspnea

Difficulty breathing or the feeling of being short of breath SOB

6

Hypoxemia

Reduced oxygen levels in the blood may be caused by conditions that impair diffusion at the alveolar capillary level such as pulmonary edema

7

Hypoxia

Insufficient oxygen anywhere in the body results potentially causing cellular injury or death

8

Cyanosis

Bluish discoloration of the skin nail beds and mucous membranes due to reduced hemoglobin oxygen saturation

9

Pulmonary Ventilation

The first process of the respiratory system ventilation of the lungs
1. Clear airways
2. An intact central nervous system and respiratory center
3. An intact thoracic cavity capable of expanding and contracting
4. Adequate pulmonary compliance and recoil

10

Intrapleural Pressure

Pressure in the pleural cavity surrounding the lungs is always slightly negative in relation to atmosphere pressure

11

Intrapulmonary Pressure

Pressure within the lungs always equalize with atmospheric pressure

12

Eupnea

Quiet rhythmic n effortless

13

Adventitious breath sounds

Abnormal breath sounds

14

Atelectasis

Collapsed alveoli

15

Biot's cluster respiration

Shallow breaths interrupted by apnea

16

Cheyenne Stokes Respirations

Marked rhythmic waxing and waning of respirations from very shallow to very deep with short periods of apnea

17

Diffusion

Movement of gases from an area of greater pressure of concentration to an area of lower pressure or concentration

18

Emphysema

Oxygen concentrations play a major role in regulating respiration decreased oxygen concentrations are the main stimuli for rectors because the increased carbon dioxide levels desensitize the central chemoreceptors

19

Erythrocytes

Red blood cells

20

Expectoration

Spit out

21

Hematocrit

The percentage of blood that is erythrocytes

22

Hemoglobin

Oxygen carrying blood cells is a major component of RBCS the predominant cell present in blood

23

Hemothorax

Accumulation of blood in the pleural space

24

Humidifiers

Devices that add water vapor to inspired air

25

Hypercapnea

Increased levels of co2

26

Hyperinflation

Involves giving client breaths of greater volume than set on ventilator or via manual resuscitation bag

27

Moves blood from the heart to the tissues maintain a constant flow to the capillary beds despite the intermittent pumping of the heat

Arterial Circulation

28

Force exerted on arterial walls by the blood flowing within the vessel

Blood pressure

29

Factors affecting cardiovascular function

Non- modifiable risk factors
Heredity , age , gender
Modifiable risk factors
Elevated serum lipid levels, HTN, smoking, diabetes and lifestyles

30

Cardiovascular function can be altered by conditions that affect

The function of the heart as a pump
Blood flow to organs n peripheral tissues
The composition of the blood and its ability to transport oxygen and carbon dioxide

31

Vessels that supply blood to the heart muscle may become occluded by atherosclerosis or a blood clot shutting off the blood supply to a portion

Myocardial Infraction or Heart Attack

32

The heart is unable to keep up with the body's need for oxygen and nutrients to the tissues

Heart failure

33

Signs of impaired peripheral arterial circulation in the legs and feet

Decreased peripheral pulses
Pain
Cool extremities
Decreased hair distribution

34

What are the impaired venous circulation

Pooling of blood in the veins
Edema
Decrease venous return to the heart
Veins become inflamed reducing blood flow and increasing the risk of thrombus clot
Pulmonary embolism

35

Anemia signs and symptoms

Chronic fatigue
Pallor
Shortness of breath
Hypotension

36

Lack of blood supply due to obstructed circulation

Ischemia

37

The buildup of fatty plaques within the arteries

Atherosclerosis

38

Primary peace marker of the heart

Sinoatrial SA or sinus node

39

Cardiac muscle cells that form the bulk of the heart

Myocardium

40

Mucus clearing device

Is used for clients with excessive secretions such as cystic fibrosis,copd.
Movement causes vibrations that loosen mucus from the airways

41

Postural drainage

The drainage by gravity of secretions from various lung segments.
-these secretions can cause bacterial growth and infection
-obstruct smaller airways and can cause atelectasis