For blood urea nitrogen (BUN) and creatinine values:
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.
Q. 2 Mycobacterium tuberculosis is particularly damaging to the lungs because of the:
a. healing of a tubercle.
b. formation of micropulmonary emboli.
c. increased mucus production.
d. irreversible bronchospasm that it causes.
Q. 3 The respiratory therapist is performing palpation on a patient recently admitted to the medical ward. The therapist notes decreased tactile fremitus over the right lung.
Which of the following could MOST likely be the cause for this physical exam finding?
a. Right-sided atelectasis
b. Right-sided pneumothorax
c. Right-sided pleural effusion
d. Right-sided pleural tumor
Q. 4 A patient has been found to have tuberculosis (TB) in several organs of the body. What term is used to describe this situation?
a. Primary TB
b. Postprimary TB
c. Disseminated TB
d. Multiorgan TB
Q. 5 A patient has postprimary TB. What are the major pathologic or structural changes associated with it?
1. Cavity formation
2. Laryngeal edema
3. Dilated and distorted bronchi
4. Fibrosis of lung parenchyma
a. 2, 3
b. 3, 4
c. 1, 2, 3
d. 1, 3, 4
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