Medical Terminology
Respiratory questions from the Medical Terminology track. Drill the ones you don't know yet. Skip what you've mastered.
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Post-NGN questions with verified answers and rationales. This is the core drill.
What does the term hypocapnia mean?
Capn/o refers to carbon dioxide. Hypocapnia means low carbon dioxide levels. Ox/o refers to oxygen. Hypoxia is low oxygen. Hyperoxia is high oxygen. Hypercapnia (also called hypercarbia) is high carbon dioxide.
Source recency: 2025
Which combining form refers to the throat?
Pharyng/o refers to the throat (pharynx). Laryng/o refers to the voice box (larynx). Rhin/o and nas/o both refer to the nose.
Source recency: 2025
The trachea divides into which structures?
The trachea is a continuation of the larynx. It divides into the right and left bronchi. The larynx passes air from the pharynx to the trachea. The pharynx is a tube behind the nose that passes air to the larynx and food to the esophagus. The alveoli are tiny air sacs at the ends of the bronchioles.
Source recency: 2025
How many lobes does the right lung have?
The right lung has 3 lobes. The left lung has 2 lobes. The right lung is slightly larger to accommodate three lobes.
Source recency: 2025
Which term means breathlessness when lying down that improves in an upright position?
Pnea means breath or respiration. Ortho means erect or upright. Orthopnea is breathlessness when lying down that improves in an erect position. The prefix tachy- means fast, so tachypnea is rapid breathing. The prefix a- means absent, so apnea is absence of breathing. The prefix dys- means difficult, so dyspnea is difficult breathing.
Source recency: 2025
Which abnormal breath sound is a high-pitched whistling heard when the airway is blocked?
Wheezing is a high-pitched whistling sound heard when the airway is blocked. Rales (also called crackles or crepitations) are crackling sounds heard on inspiration when there is fluid in the alveoli. Rhonchi are low-pitched rumbling sounds heard when there are secretions in the airway.
Source recency: 2025
Which device is used to measure blood oxygen saturation?
A pulse oximeter measures blood oxygen saturation. A spirometer measures the volume and flow of air in and out of the lungs. It diagnoses asthma and COPD. A bronchoscope visualizes the lungs and airways. A laryngoscope visualizes the larynx.
Source recency: 2025
What is another name for whooping cough?
Another name for whooping cough is pertussis. Croup is a viral infection causing a barking cough, mostly in children. Pneumonia is a lung infection caused by bacteria, viruses, or fungi. Tuberculosis (TB) is a bacterial lung disease caused by Mycobacterium tuberculosis.
Source recency: 2025
What is thoracocentesis?
Thoracocentesis is the process of removing fluid or air from the pleural space. An incision through the trachea is called a tracheostomy. Visualizing the lungs is bronchoscopy. Placing a tube in the trachea through the mouth is endotracheal intubation.
Source recency: 2025
Which of the following is an obstructive lung disease?
Obstructive lung diseases cause airway obstruction. They include asthma, chronic bronchitis, and emphysema. Pneumonia, tuberculosis, and croup are all infectious diseases, not obstructive lung diseases.
Source recency: 2025
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