Question 1

Which of the following best describes the process of external respiration?

Accepted Answer

The exchange of oxygen and carbon dioxide between the alveoli and the bloodstream.

Question 2

A patient presents with difficulty breathing, wheezing, and coughing. Pulmonary function tests reveal bronchospasms. Which condition is most likely?

Accepted Answer

Asthma

Question 3

Which anatomical structure prevents food from entering the trachea during swallowing?

Accepted Answer

Epiglottis

Question 4

What is the primary function of the alveoli in the lungs?

Accepted Answer

Gas exchange between air and blood

Question 5

A patient with a history of working in coal mines presents with black pigmentation in the lungs. Which condition is most likely?

Accepted Answer

Anthracosis

Question 6

Which of the following best describes the role of the diaphragm during inhalation?

Accepted Answer

It contracts and moves downward, decreasing thoracic pressure and allowing air to enter the lungs.

Question 7

Which term refers to the surgical puncture of the chest wall to remove fluid?

Accepted Answer

Thoracentesis

Question 8

A patient is diagnosed with a progressive, chronic, and usually irreversible group of conditions characterized by decreased lung capacity. Which abbreviation is used for this diagnosis?

Accepted Answer

COPD

Question 9

Which of the following medications is used to relax bronchospasms in asthma patients?

Accepted Answer

Bronchodilator

Question 10

Which anatomical term means 'pertaining to the chest'?

Accepted Answer

Thoracic

Question 11

A patient with cystic fibrosis is receiving postural drainage. What is the purpose of this therapy?

Accepted Answer

To use gravity to promote drainage of bronchial secretions

Question 12

Which structure is commonly called the 'voice box' and contains the vocal cords?

Accepted Answer

Larynx

Question 13

Which of the following best describes the process of internal respiration?

Accepted Answer

Exchange of gases between the blood and body tissues

Question 14

A patient is diagnosed with a bacterial infection characterized by a thick membranous film across the throat and a high mortality rate. What is the most likely diagnosis?

Accepted Answer

Diphtheria

Question 15

Which of the following is the correct sequence of airflow during inhalation?

Accepted Answer

Nasal cavity → Pharynx → Larynx → Trachea → Bronchi → Bronchioles → Alveoli

Question 16

Which of the following best describes the function of the pleura?

Accepted Answer

It reduces friction between the lungs and chest wall during ventilation.

Question 17

A patient with a floating blood clot obstructing the pulmonary artery is at risk for which condition?

Accepted Answer

Pulmonary embolism

Question 18

Which of the following is a genetic condition that produces very thick mucus, causing severe congestion in the lungs?

Accepted Answer

Cystic fibrosis

Question 19

Which of the following abbreviations refers to the measurement of oxygen and carbon dioxide levels in arterial blood?

Accepted Answer

ABGs

Question 20

A patient with a fungal infection of the lungs, commonly seen in AIDS patients, is most likely diagnosed with:

Accepted Answer

Pneumocystis pneumonia (PCP)

Respiratory System: Medical Terminology and Anatomy Study Guide

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