Respiratory System – Lesson 4 Flashcards

A comprehensive set of flashcards covering key terms, definitions, and concepts related to the respiratory system, aimed at aiding review and preparation for an exam.

What are alveoli?

Air sacs where oxygen and carbon dioxide are exchanged.

What do bronchi do?

Branches from the trachea that conduct air into the lungs.

What is the larynx?

Voice box located below the pharynx; houses vocal cords.

Describe the lungs.

Sponge-like organs divided into lobes.

What is the function of the nose?

Filters, moistens, and warms air.

What is the pharynx?

Passageway for food and air; throat.

What are sinuses?

Air cavities producing mucus that drains into nasal passages.

What is the thorax?

Chest region between neck and diaphragm, encased by ribs.

What is the purpose of the trachea?

Air passageway (windpipe) leading to bronchi.

What are the main functions of the respiratory system?

Moves air in/out, provides O2 & CO2 exchange, enables speech and smell.

What does bronch/o mean?

Combining form meaning bronchus.

What does capn/o refer to?

Combining form meaning carbon dioxide.

What does laryng/o mean?

Combining form meaning larynx (voice box).

What is the meaning of the prefix a-, an-?

Prefix meaning without, absence of.

What does dys- signify?

Prefix meaning difficult, painful, abnormal.

What does endo- indicate?

Prefix meaning within.

What is an -ectomy?

Suffix meaning surgical removal.

What does apnea mean?

Absence of breathing.

What is a capnometer?

Instrument used to measure carbon dioxide.

Define dyspnea.

Difficult breathing.

What does hypocapnia refer to?

Deficient carbon dioxide in the blood.

What is an oximeter used for?

Instrument used to measure oxygen levels.

What is bronchitis?

Inflammation of the bronchi.

Define pneumonia.

Diseased state of the lungs.

What is pneumothorax?

Air in the chest cavity.

What is asthma?

Respiratory disease causing coughing, wheezing, and shortness of breath.

What does COPD stand for?

Progressive lung disease that blocks airflow; often due to smoking.