1. T F The conducting portion of the respiratory system contains about 150 ml. of air.

2. T F The alar is a type of cartilage forming the nostrils.

3. T F The vestibule is the portion of the nose between the external in internal nares.

4. T F The olfactory epithelium is located only in the superior conchae.

5. T F The pharyngeal tonsil is a lymphatic node and not a nodule.

6. T F The oropharynx is located between the hyoid bone to the larnynx.

7. T F All of the larnynx is composed of simple squamous tissue.

8. T F The rima glottis is the space between the glottis.

9. T F The cricoid cartilage is the only cartilage that forms a solid ring.

10. T F The cricoidarytenoid muscle is an intrinsic muscle of voice because it attaches to the cartilage and the vocal folds.

11. T F The carina is the area of split between the primary and secondary bronchi that is sensitive to touch.

12. The area of the respiratory tree that goes into each of the lobes of the lung.
a. trachea
b. primary bronchi
c. secondary bronchi
d. tertiary bronchi
e. respiratory bronchioles

13. There are about ten of these in each lung.
a. trachea
b. primary bronchi
c. secondary bronchi
d. tertiary bronchi
e. respiratory bronchioles

14. The gas law which states that pressure and volume are inversely proportional is:
a. Boyle’s
b. Henry’s
c. Charle’s
d. Dalton’s
e. None of the above

15. The intrapulmonary pressure during inspiration ____mmHg below the atmospheric pressure.
a. 1
b. 2
c. 4
d. 758
e. 760

16. Surfactant is secreted by____cells.
a. type I alveolar
b. type II alveolar
c. dust
d. macrophages
e. none of the above

17. A typical inspiratory capacity would be_____ml.
a. 500
b. 1200
c. 3600
d. 4800
e. 6000

18. Increased oxygen saturation would occur under all of the following conditions except:
a. high pH
b. low temperature
c. presence of BPG
d. fetal blood
e. low altitude

19. The molecule which exchange with choride ions during the internal transport of CO2 is:
a. oxygen
b. bicarbonate
c. hydrogen
d. carbonic acid
e. none of the above

20. The chemoreceptors measure:
a. oxygen
b. hydrogen
c. carbon dioxide
d. all of the above
e. none of the above