Week 4 Exam 1 Oxygen

Question 1

What are the main components of the airway?

Answer 1

Nasal passages, mouth, larynx, trachea, bronchi, bronchioles, pharynx

Pharynx contains openings to the esophagus and trachea.

Question 2

What is the function of the epiglottis?

Answer 2

Closes off the trachea during swallowing

Prevents fluids from entering the lower airway.

Question 3

Define ventilation.

Answer 3

The movement of air into and out of the lungs while breathing.

Question 4

What is respiration?

Answer 4

The exchange of gases in the lungs.

Question 5

List factors influencing ventilation.

Answer 5

• Respiratory rate and depth
• Lung elasticity
• Lung compliance
• Airway resistance
• Hypoxemia
• Hypoxia

Question 6

What is hypoxemia?

Answer 6

Low level of oxygen in blood.

Question 7

What is hypoxia?

Answer 7

Low level of oxygen in tissues.

Question 8

What are common factors affecting respiration?

Answer 8

• Pleural effusions
• Pneumothorax
• Asthma
• Damaged alveoli

Question 9

What is atelectasis?

Answer 9

Collapse of alveoli leading to impaired gas exchange.

Question 10

What are some issues related to infants affecting pulmonary function?

Answer 10

• Premature alveoli development
• Lack of surfactant
• Hypercarbia
• Apnea

Question 11

Identify lifestyle factors affecting oxygenation in adults.

Answer 11

• Unhealthy behaviors
• Changes in organ efficiency
• Stress
• Smoking
• Obesity

Question 12

True or False: Smoking can lead to obstructive sleep apnea.

Answer 12

True.

Question 13

What are the signs and symptoms of tuberculosis (TB)?

Answer 13

• Blood sputum
• Weight loss
• Fatigue
• Night sweats

Question 14

What is the purpose of bronchodilators?

Answer 14

Release smooth muscles in lining of airways.

Question 15

What are the components of nursing assessment for oxygenation?

Answer 15

• Health history
• Physical exam
• Breathing pattern
• Sputum color

Question 16

What is included in diagnostic testing for oxygenation?

Answer 16

• Sputum samples
• Skin testing
• Pulse oximetry
• Pulmonary function tests

Question 17

What does ABG stand for?

Answer 17

Arterial Blood Gas.

Question 18

What is the normal range for PO2 in healthy adults?

Answer 18

80-100 mmHg.

Question 19

Fill in the blank: The amount of oxygen already bound to hemoglobin is called _______.

Answer 19

SaO2.

Question 20

What nursing diagnoses are associated with impaired respirations?

Answer 20

• Ineffective Tissue Perfusion
• Impaired Breathing Pattern
• Ineffective Airway Clearance

Question 21

What are desired outcomes for a patient with oxygenation issues?

Answer 21

• No dyspnea reported
• Lungs clear
• O2Sat > 90%
• Breathing effort less labored

Question 22

What interventions can be implemented to promote oxygenation?

Answer 22

• Provide oxygen
• Administer medications
• Prevent hospital-acquired pneumonia
• Promote immunization

Question 23

What is the significance of peak expiratory flow rate?

Answer 23

Used in asthmatic patients to detect subtle changes.

Question 24

What are the safety measures for oxygen therapy?

Answer 24

• Don’t smoke near oxygen
• Secure cylinders
• Avoid petroleum products

Question 25

What is the purpose of chest physiotherapy?

Answer 25

To help clear secretions from the lungs.

Question 26

What are the types of endotracheal airways?

Answer 26

• Orotracheal
• Nasotracheal
• Tracheostomy

Question 27

What should be done to confirm placement of an endotracheal tube?

Answer 27

Use chest X-ray (CXR) and place a reference mark.

Question 28

What is the role of a suctioning procedure in airway management?

Answer 28

To clear secretions from the airway.

Question 29

What is the normal tidal volume for adults?

Answer 29

400-500 ml.