Exam Weeks 7-10

Question 1

In an adult, the narrowest part of the airway is the:

Select one:

a. cricoid cartilage.
b. glottis.
c. hypopharynx.
d. trachea.

Answer 1

b. glottis.

Question 2

SpO2 measures the level of which gas?

Select one:

a. CO2
b. CO
c. O2
d. Nitrogen

Answer 2

c. O2

Question 3

A “shark fin” waveform on a capnogram is consistent with:

Select one:

a. hyperventilation.
b. asthma.
c. esophageal intubation
d. hypoventilation.

Answer 3

b. asthma

Question 4

The bag-valve device has an adjunct oxygen reservoir or corrugated tubing that can deliver ______ oxygen.

Select one:

a. 60–70 percent
b. 70–75 percent
c. 80–90 percent
d. 90–95 percent

Answer 4

d. 90-95 percent

Question 5

Which of the following serves as an important visual landmark when performing endotracheal intubation under direct visualization?

Select one:

a. Cricothyroid membrane
b. Cricoid cartilage
c. Thyroid cartilage
d. Posterior cartilages

Answer 5

d. Posterior cartilages

Question 6

The hypoxic drive is stimulated by:

Select one:

a. low PaCO2.
b. low PaO2.
c. high PaO2.
d. high PaCO2.

Answer 6

b. low paO2.

Question 7

The tip of a curved laryngoscope blade is placed correctly:

Select one:

a. under the epiglottis.
b. at the glottic opening.
c. in the vallecular.
d. at the junction of the hard and soft palates.

Answer 7

c. in the vallecular.

Question 8

When correctly placed, the tip of a straight laryngoscope blade should be:

Select one:

a. in the vallecula.
b. at the uvula.
c. at the soft palate.
d. under the epiglottis.

Answer 8

d. under the epiglottis.

Question 9

When swallowing occurs, the structure that occludes the tracheal opening to prevent aspiration of food and liquid is the:

Select one:

a. epiglottis.
b. cricoid cartilage.
c. pyriform fossa.
d. uvula.

Answer 9

a. epiglottis.

Question 10

In which of the following conditions is insertion of a nasogastric tube contraindicated?

Select one:

a. Patient having a gag reflex
b. Patient with facial fractures
c. Patient awake and alert
d. All of the above

Answer 10

b. Patient with facial fractures.