A&P Questions with CORRECT Answers (Grade A+)

A&P Questions with CORRECT Answers (Grade
A+)

Question:
Four phases of respiration

Answer:

Pulmonary ventilation, external gas exchange, gas transport in the blood, and internal gas
exchange.




Question:
name the Spaces and passageways in conducting air

Answer:

Nasal cavities, pharynx, voice box/larynx, windpipe/trachea, and lungs.




Question:
3 Advantages of breathing through the nose

Answer:

The nasal mucosa warms and moistens inhaled air, and foreign bodies and pathogens can be
trapped in the nasal hair and mucus.




Question:
Portions of the pharynx

Answer:

superior portion: nasopharynx, middle section: oropharynx, inferior portion: laryngopharynx.




Question:
Aspirated objects consequences

Answer:

, The object may cut off air supply resulting in suffocation, infection and inflammation to the
area.




Question:
Lobes in each lung

Answer:

3 lobes in the right lung, 2 lobes in the left lung.




Question:
Function of thin walls of alveoli

Answer:

The thin walls of the alveoli allow for external gas exchange.




Question:
Air pressure change during inhalation

Answer:

Inhalation: negative air pressure.




Question:
Air pressure change during exhalation

Answer:

Exhalation: positive air pressure.




Question:
Diaphragm motion effect on chest size

Answer:

Increases the chest's vertical dimension.