Question 1

Which of the following are primary reasons for which an endobronchial ultrasound (EBUS) is recommended?
1) To detect the presence of tumors or pathologically enlarged lymph nodes
2) To diagnose stridor or localized wheezing
3) To diagnose tumors within the lung or mediastinum
4) To diagnose lymph node abnormalities in the mediastinum or hila

Accepted Answer

A)  1, 2
B)  2, 3
C)  1, 3, 4
D)  2, 3, 4 C

Question 2

For blood urea nitrogen (BUN) and creatinine values:

Accepted Answer

A)   serum creatinine is a protein produced in the kidneys.
B)   BUN and serum creatinine values that are higher than the normal range indicate renal failure.
C)   urea is a waste product of carbohydrate metabolism in the intestines.
D)   BUN values that are below normal indicate renal failure. B

Question 3

After a thoracentesis procedure, it is important to monitor the patient for:

Accepted Answer

A)   bronchospasm.
B)   hemoptysis.
C)   increased blood urea nitrogen (BUN) .
D)   pneumothorax. D

Question 4

The respiratory therapist is caring for a patient who is receiving diuretic therapy as part of the medication regimen for her congestive heart failure. Which of the following would the therapist most likely monitor in watching for common side effects associated with diuretic therapy?

Accepted Answer

A)   Hypokalemia
B)   Hyperchloremia
C)   Hyperbilirubinemia
D)   Hyponatremia

Question 5

In response to a viral infection, which of the following can be expected to be seen in the white blood cell count?

Accepted Answer

A)   Increased lymphocytes
B)   Decreased monocytes
C)   Increased basophils
D)   Decreased platelets

Question 6

Therapeutic bronchoscopy can be used for:
1) bronchiectasis therapy.
2) removal of a foreign body.
3) selective lavage.
4) management of life-threatening hemoptysis.

Accepted Answer

A)  1, 3
B)  1, 2, 4
C)  2, 3, 4
D)  1, 2, 3

Question 7

Gram staining is done to:
1) classify organisms as gram positive or gram negative.
2) identify tuberculosis organisms.
3) speed up the organism culturing process.
4) help guide antibiotic therapy.

Accepted Answer

A)  3
B)  1, 4
C)  2, 3
D)  1, 2, 4

Question 8

Culture and sensitivity tests:

Accepted Answer

A)   stain a microorganism as gram positive or gram negative.
B)   determine the shape of the organisms present.
C)   identify the DNA of organisms present in the sputum.
D)   determine the antibiotic(s)  best suited for combating an infection.

Question 9

The respiratory therapist is caring for a patient with a newly diagnosed pleural lesion. The patient cannot undergo a CT scan due to extreme claustrophobia. Which procedure can be performed to diagnose the cause of the lesion?

Accepted Answer

A)   Video-assisted thoracoscopy surgery
B)   Navigational bronchoscopy
C)   Therapeutic bronchoscopy
D)   Acid-fast smear

Question 10

Diagnostic thoracentesis can be used to:

Accepted Answer

A)   withdraw a secretion sample from the lung for a sputum smear.
B)   withdraw a secretion sample from the lung for a Gram stain.
C)   determine the etiology of a pleural effusion.
D)   remove air from the pleural space.

Question 11

In a normal differential white blood cell (WBC) count, which of the following would have the highest number?

Accepted Answer

A)   Neutrophils
B)   Basophils
C)   Eosinophils
D)   Lymphocytes

Question 12

A patient has pneumonia and a right pleural effusion. If the pleural exudate fluid is infected, it will show:
1) a low protein level.
2) a high white blood cell count.
3) bacteria.
4) many red blood cells.

Accepted Answer

A)  1, 2
B)  2, 3
C)  1, 3, 4
D)  2, 3, 4

Question 13

A 14-year-old patient has had a serious asthma attack. Her white blood cell count can be expected to show:

Accepted Answer

A)   decreased neutrophils.
B)   decreased erythrocytes.
C)   increased eosinophils.
D)   increased monocytes.

Question 14

The respiratory therapist is reviewing the electronic medical record of a patient recently admitted to the medical floor. The therapist notes that a sputum sample was sent to the lab for an acid-fast smear and culture. How should the therapist interpret this information?

Accepted Answer

A)   Suspect that the patient has Mycoplasma pneumoniae pneumonia.
B)   Suspect that the patient has Rickettsiae pneumonia.
C)   Suspect that the patient has Pneumocystis jiroveci (carinii)  pneumonia.
D)   Suspect that the patient has Mycobacterium tuberculosis pneumonia.

Exam 9: Other Important Tests and Procedures