Answers
Which of the following staining procedures is used to broadly categorize bacteria into
two major groups according to differences in the chemical composition of their cell
wall?
Select one:
A. carbolfusin stain
B. acid-fast stain
C. methylene blue stain
D. Gram stain
✓ ~~~ D. Gram stain
In reviewing a transthoracic ultrasound scan you note a prominent shadow occurring
beneath a rib. What does this shadow signify?
Select one:
A. pneumothorax
B. pulmonary edema
C. atelectasis
D. normal finding
✓ ~~~ D. normal finding
A patient has a pH of 7.22 and a PaCO2 of 38 torr. Based on these data, what is the
primary acid-base disturbance?
Select one:
A. respiratory alkalosis
B. metabolic acidosis
C. respiratory acidosis
D. metabolic alkalosis
✓ ~~~ B. metabolic acidosis
For which of the following purposes would you recommend a V/Q scan?
[To diagnose a] [To predict] [To measure]
[pulmonary] [post-lobectomy] [the physiologic]
[embolism] [lung function] [deadspace]
A. Yes Yes Yes
B. Yes No Yes
C. No Yes Yes
D. Yes Yes No
Select one:
A. A
B. B
,C. C
D. D
✓ ~~~ D. D
Which of the following conditions is most likely to cause an elevated white blood
count?
Select one:
A. pulmonary fibrosis
B. bacterial bronchitis
C. pneumothorax
D. hypertension
✓ ~~~ B. bacterial bronchitis
Which of the following echocardiogram findings are consistent with a diagnosis of
systolic heart failure?
Select one:
A. decreased LV ejection fraction (< 45%)
B. decreased LV chamber compliance
C. decreased LV end-diastolic volume
D. increased pulmonary artery pressure
✓ ~~~ A. decreased LV ejection fraction (< 45%)
Which of the following measures would indicate to you that an adult patient may not
be ready to wean from mechanical ventilation?
Select one:
A. vital capacity = 2500 mL
B. MIP/NIF = -l0 cm H2O
C. respiratory rate = 23/min
D. PaO2/FIO2 (P/F ratio) = 350
✓ ~~~ B. MIP/NIF = -l0 cm H2O
What is the normal range for arterial base excess (BE)?
Select one:
A. 22 to 26 mEq/L
B. -2 to +2 mEq/L
C. 45 to 55 mEq/L
D. -10 to +10 mEq/L
✓ ~~~ B. -2 to +2 mEq/L
While inspecting a spontaneously breathing adult patient's thorax, you note
paradoxical movement of the right chest wall. This observation is most consistent
with which of the following conditions?
Select one:
A. pulmonary emphysema
,B. phrenic nerve dysfunction
C. pulmonary embolism
D. pulmonary fibrosis
✓ ~~~ B. phrenic nerve dysfunction
Upon exam of an acutely dyspneic and hypotensive patient, you note the following
(all limited to the left hemithorax): reduced chest expansion, hyperresonance to
percussion, absent of breath sounds and tactile fremitus, and a tracheal shift to the
right. These findings suggest:
Select one:
A. left-sided pleural effusion
B. left-sided consolidation
C. left lobar obstruction/atelectasis
D. left-sided pneumothorax
✓ ~~~ D. left-sided pneumothorax
A patient is asked to inhale as deeply as possible and blow out all his air as hard as
they can until empty. What test is being performed?
Select one:
A. FVC
B. IC
C. TLC
D. MVV
✓ ~~~ A. FVC
Which of the following findings would you expect to observe on the AP chest
radiograph of a patient suffering from advanced stages of pulmonary emphysema?
Select one:
A. increased vascular markings
B. flattening of the diaphragms
C. decreased radiolucency
D. increased C/T ratio
✓ ~~~ B. flattening of the diaphragms
Activity of the respiratory accessory muscles indicates:
Select one:
A. normal ventilation
B. increased pulmonary compliance
C. increased airway resistance
D. decreased work of breathing
✓ ~~~ C. increased airway resistance
Inspection of a patient reveals jugular venous distention. Which of the following is the
most likely cause of this observation?
Select one:
, A. right heart failure
B. hypovolemia
C. pulmonary hypotension
D. dehydration
✓ ~~~ A. right heart failure
When inspecting the X-ray of a patient in ICU, you note radiolucent streaks within the
soft tissues of the chest wall/neck. Which of the following is the most likely problem?
Select one:
A. subcutaneous emphysema
B. pneumomediastinum
C. pneumothorax
D. interstitial infiltration
✓ ~~~ A. subcutaneous emphysema
You are reviewing the chest X-ray of a 32 year-old female receiving ventilatory
support via an oral endotracheal (ET) tube. To assure proper placement of the tube,
you would look for its tip to be positioned
Select one:
A. at the same level as the carina
B. not more than 2 cm above the carina
C. between the 2nd and 4th thoracic vertebra
D. level with the fifth cervical vertebra
✓ ~~~ C. between the 2nd and 4th thoracic vertebra
The best way to determine whether or not a patient has learned the information
needed to understand how her disease impacts on lung function would be to:
Select one:
A. have her take a multiple choice quiz
B. discuss the information with patient's family
C. have her "teach" the information back to you
D. have her perform a return demonstration
✓ ~~~ C. have her "teach" the information back to you
On physical examination of a patient with chronic bronchitis, you would expect to find
which of the following?
[Course] [Weight loss/] [Signs of cor] [Increased AP]
[bilateral] [cachexia] [pulmonale] [chest diameter]
[rhonchi]
A. Yes Yes Yes Yes
B. No Yes Yes No
C. Yes Yes No Yes
D. Yes No Yes No