Master the Respiratory System: Essential Knowledge for Medical Coding

Question 1

Which of the following best describes the sac that envelops each lung?

Accepted Answer

Pleura

Answer

Alveolar sac

Answer

Diaphragm

Answer

Mediastinum

Question 2

Which function is NOT performed by the respiratory system?

Accepted Answer

Nutrient absorption

Answer

Gas exchange

Answer

pH regulation

Answer

Thermoregulation

Question 3

Which type of cells line the respiratory tract and aid in mucus clearance and debris removal?

Accepted Answer

Goblet cells

Answer

Keratinocytes

Answer

Pneumocytes

Answer

Stratified squamous epithelium

Question 4

Which muscle serves as the primary driver of inhalation?

Accepted Answer

Diaphragm

Answer

Intercostals

Answer

Pectoralis major

Answer

Serratus anterior

Question 5

Which of the following structures is responsible for filtering and warming inhaled air?

Accepted Answer

Nasal cavity

Answer

Trachea

Answer

Larynx

Answer

Bronchi

Question 6

What is the name of the thin, vascularized membrane where gas exchange occurs?

Accepted Answer

Alveolar sac

Answer

Pleura

Answer

Bronchiole

Answer

Diaphragm

Question 7

Which type of respiration occurs when the diaphragm contracts?

Accepted Answer

Inhalation

Answer

Exhalation

Answer

Hyperventilation

Answer

Hypoventilation

Question 8

Which type of tissue lines the airways and produces mucus to trap inhaled particles?

Accepted Answer

Epithelial tissue

Answer

Connective tissue

Answer

Muscle tissue

Answer

Nervous tissue

Question 9

Which muscle is NOT involved in the process of breathing?

Accepted Answer

Trapezius muscle

Answer

Intercostal muscles

Answer

Diaphragm

Answer

Abdominal muscles

Question 10

What is the medical term for inflammation of the bronchi?

Accepted Answer

Bronchitis

Answer

Pneumonia

Answer

Pleurisy

Answer

Asthma

Question 11

Which diagnostic procedure is used to visualize the airway?

Accepted Answer

Bronchoscopy

Answer

Thoracoscopy

Answer

Pulmonary function test

Answer

Chest X-ray

Question 12

Which of the following is a major risk factor for developing emphysema?

Accepted Answer

Smoking

Answer

Exposure to air pollution

Answer

Obesity

Answer

Alcohol consumption

Question 13

A decrease in the diameter of the airways is referred to as:

Accepted Answer

Bronchoconstriction

Answer

Bronchodilation

Answer

Emphysema

Answer

Asthma

Question 14

In respiratory medical coding, what is the main function of modifiers and laterality indicators?

Accepted Answer

Modifiers describe the procedure, while laterality indicators show the body side.

Answer

Laterality indicators describe the procedure, while modifiers show the body side.

Answer

Modifiers and laterality indicators are not used in respiratory coding.

Answer

Modifiers and laterality indicators can be used interchangeably.

Question 15

How does the respiratory center regulate breathing and respond to changes in blood pH levels?

Accepted Answer

The respiratory center adjusts breathing to maintain a stable blood pH level.

Answer

The respiratory center is only activated during exercise.

Answer

The respiratory center has no effect on blood pH levels.

Answer

The respiratory center is located in the spinal cord.

Question 16

Which structure in the lungs is the primary site of gas exchange?

Accepted Answer

Alveoli

Answer

Bronchi

Answer

Trachea

Answer

Pleura

Question 17

What is the name of the double-layered membrane that lines the lungs and thoracic cavity?

Accepted Answer

Pleura

Answer

Peritoneum

Answer

Pericardium

Answer

Meninges

Question 18

What is the process by which oxygen and carbon dioxide move across the respiratory membrane?

Accepted Answer

Diffusion

Answer

Filtration

Answer

Osmosis

Question 19

What is the medical term for the inflammation of the pleura?

Accepted Answer

Pleuritis

Answer

Asthma

Answer

Bronchitis

Answer

Pneumonia

Question 20

Which of the following is an example of an obstructive lung disease?

Accepted Answer

Chronic obstructive pulmonary disease (COPD)

Answer

Lung cancer

Answer

Pneumonia

Question 21

What is the main function of the epiglottis?

Accepted Answer

To prevent food from entering the trachea during swallowing

Answer

To produce mucus to trap particles

Answer

To filter inhaled air

Question 22

Which of the following is not a common symptom of asthma?

Accepted Answer

Fever

Answer

Shortness of breath

Answer

Wheezing