Pneumothorax Review Question

Question 1

1. When gas moves between the pleural space and the
   atmosphere during a ventilatory cycle, the patient is said
   to have a(n):
   a. Closed pneumothorax
   b. Iatrogenic pneumothorax
   c. Valvular pneumothorax
   d. Sucking chest wound

Question 2

2. When gas enters the pleural space during inspiration but
   is unable to leave during expiration, the patient is said
   to have a(n):
3. Iatrogenic pneumothorax
4. Valvular pneumothorax
5. Tension pneumothorax
6. Open pneumothorax
   a. 1 only
   b. 3 only
   c. 2 and 3 only
   d. 3 and 4 only

Question 3

3. Chronic obstructive pulmonary disease
4. Blebs
   a. 1 and 2 only
   b. 2 and 3 only
   c. 2, 3, and 4 only
   d. 1, 2, 3, and 4

Question 4

4. When a patient has a pneumothorax because of a
   sucking chest wound, which of the following occurs?
5. Intrapleural pressure on the unaffected side
   increases during inspiration.
6. The mediastinum often moves to the unaffected side
   during inspiration.
7. Intrapleural pressure on the affected side often rises
   above the atmospheric pressure during expiration.
8. The mediastinum often moves to the affected side
   during expiration.
   a. 1 and 4 only
   b. 1 and 3 only
   c. 2 and 3 only
   d. 2, 3, and 4 only

Question 5

5. The increased ventilatory rate commonly manifested in
   patients with pneumothorax may result from which of
   the following?
6. Stimulation of the J receptors
7. Increased lung compliance
8. Increased stimulation of the Hering-Breuer reflex
9. Stimulation of the irritant reflex

a. 1 and 4 only
b. 2 and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

Question 6

6. The physician usually elects to evacuate the
   intrathoracic gas when the pneumothorax is greater
   than:
   a. 5%
   b. 10%
   c. 15%
   d. 20%
7. During treatment of a pneumothorax with a chest tube
   and suction, the negative (suction) pressure usually need
   not exceed:
   a. −6 cm H2O
   b. −8 cm H2O
   c. −10 cm H2O
   d. −12 cm H2O
8. A patient with a severe tension pneumothorax
   demonstrates which of the following on the affected
   side?
9. Diminished breath sounds
10. Hyperresonant percussion note
11. Dull percussion notes
12. Whispered pectoriloquy
    a. 2 only
    b. 1 and 2 only
    c. 3 and 4 only
    d. 1, 2, and 4 only
13. When a patient has a large tension pneumothorax,
    which of the following occur(s)?
    a. pH increases.
    b. PaCO2 increases.
    c. HCO3
    − decreases.
    d. PaCO2 decreases.
14. When a patient has a large tension pneumothorax,
    which of the following occur(s)?
    a. PVR decreases.
    b. PA increases
    c. CVP decreases.
    d. CO increases.

Question 7

7. During treatment of a pneumothorax with a chest tube
   and suction, the negative (suction) pressure usually need
   not exceed:
   a. −6 cm H2O
   b. −8 cm H2O
   c. −10 cm H2O
   d. −12 cm H2O

Question 8

8. A patient with a severe tension pneumothorax
   demonstrates which of the following on the affected
   side?
9. Diminished breath sounds
10. Hyperresonant percussion note
11. Dull percussion notes
12. Whispered pectoriloquy
    a. 2 only
    b. 1 and 2 only
    c. 3 and 4 only
    d. 1, 2, and 4 only
13. When a patient has a large tension pneumothorax,
    which of the following occur(s)?
    a. pH increases.
    b. PaCO2 increases.
    c. HCO3
    − decreases.
    d. PaCO2 decreases.
14. When a patient has a large tension pneumothorax,
    which of the following occur(s)?
    a. PVR decreases.
    b. PA increases
    c. CVP decreases.
    d. CO increases.

Question 9

9. When a patient has a large tension pneumothorax,
   which of the following occur(s)?
   a. pH increases.
   b. PaCO2 increases.
   c. HCO3
   − decreases.
   d. PaCO2 decreases.

Question 10

10. When a patient has a large tension pneumothorax,
    which of the following occur(s)?
    a. PVR decreases.
    b. PA increases
    c. CVP decreases.
    d. CO increases.