YMCA L2 Anatomy - Respiratory System
.
- 1.Where within the chest cavity are the lungs located?
- A.
Either side
- B.
At the back
- C.
At the front
- D.
At the bottom
- 2.Where are the lungs located in relation to the diaphragm?
- A.
Above
- B.
Behind
- C.
Below
- D.
In front
- 3.Which of the following is not a function of the lungs?
- A.
Inhalation
- B.
Exhalation
- C.
Gaseous exchange
- D.
Circulation
- 4.What is the role of the bronchi in the respiratory system?
- A.
To transport air in and out of the lungs
- B.
To supply air to the alveoli
- C.
Transfer oxygen to the blood
- D.
Transport air to the lungs
- 5.What is the name given to the tiny air sacs where gaseous exchange takes place within the lungs?
- A.
Alveoli
- B.
Bronchioles
- C.
Trachea
- D.
Larynx
- 6.Which of the following muscles lifts the ribs to expand the chest cavity?
- A.
Intercostal muscles
- B.
Diaphragm
- C.
Internal obliques
- D.
Abdominals
- 7.Which of the following is a large dome shape muscle sited below the lungs and flattens during inhalation?
- A.
Diaphragm
- B.
Intercostal muscles
- C.
Internal obliques
- D.
Abdominals
- 8.During exhalation the diaphragm
- A.
Relaxes and moves up
- B.
Relaxes and moves down
- C.
Contracts and moves up
- D.
Contracts and moves down
- 9.Which of the following describes the passage of air through the respiratory tract?
- A.
Pharynx, larynx, trachea, bronchi, bronchioles, alveoli
- B.
Larynx, pharynx, trachea, bronchi, bronchioles, alveoli
- C.
Bronchioles, bronchi, trachea, pharynx, larynx, alveoli
- D.
Trachea, bronchioles, bronchi, pharynx, larynx, alveoli
- 10.What percentage of inhaled air is oxygen?
- A.
21%
- B.
25%
- C.
18%
- D.
23%
- 11.What percentage of inhaled air is carbon dioxide?
- A.
0.04%
- B.
0.4%
- C.
4%
- D.
1.4%
- 12.Which of the following gases diffuse into the capillaries surrounding the alveoli to be taken back to the heart?
- A.
Oxygen
- B.
Carbon dioxide
- C.
Nitrogren
- D.
Carbon monoxide
- 13.Where does gaseous exchange take place?
- A.
Alveoli
- B.
Bronchioles
- C.
Bronchi
- D.
Veins
- 14.What is the name given to the process which allows gaseous exchange to occur within the lungs?
- A.
Diffusion
- B.
Infusion
- C.
Effusion
- D.
Profusion
- 15.Following gaseous exchange, approximately what percentage of oxygen is exhaled from the lungs?
- A.
16
- B.
18
- C.
20
- D.
14
Questions: 20 | Attempts: 67552 | Last updated: Apr 18, 2022
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