Which test would the nurse expect the primary care provider to order to look for exposure to tuberculosis?
Antistreptolysin-O (ASO) titer.
Purified protein derivative test.
Chest X-ray.
C-reactive protein.
The Correct Answer is B
A. The ASO titer is a blood test used to detect streptococcal infections, particularly post-streptococcal sequelae like rheumatic fever or glomerulonephritis. It is not related to tuberculosis.
B. The Purified Protein Derivative (PPD) test, also known as the tuberculin skin test (TST), is specifically used to identify exposure to the tuberculosis bacteria. If a person has been exposed, the immune system will react to the PPD injection, causing a localized skin reaction that can be measured after 48-72 hours.
C. While a chest X-ray is an important tool for diagnosing active tuberculosis or assessing lung involvement, it is not the initial test for determining exposure to TB. It is usually ordered after a positive PPD test or when there are clinical symptoms of TB.
D. C-reactive protein (CRP) is a nonspecific marker of inflammation and infection in the body. It does not specifically indicate exposure to tuberculosis and is not used for TB testing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","F","G","H"]
Explanation
A. The patient's color can indicate their oxygenation status. Cyanosis (bluish tint) may suggest hypoxia, which is critical to assess in an asthma patient.
B. Auscultation of lung sounds is essential in asthma assessment. The presence of wheezing, prolonged expiration, or decreased breath sounds can indicate airway obstruction and the severity of the asthma exacerbation.
C. Assessing heart tones can provide information about the cardiovascular response to respiratory distress. Increased heart rate may occur due to hypoxia or anxiety associated with asthma attacks.
D. Bowel sounds are not relevant in the assessment of asthma. While gastrointestinal symptoms may co- occur in some patients, they are not directly related to asthma's respiratory condition.
E. While peripheral pulses are important in general assessments, they do not provide specific information relevant to asthma management or respiratory status.
F. Monitoring respiratory rate and effort is crucial in assessing asthma. Increased respiratory rate and use of accessory muscles may indicate respiratory distress or an asthma exacerbation.
G. A pulse oximetry reading provides an objective measure of oxygen saturation. Low oxygen saturation levels indicate inadequate oxygenation, which is critical to monitor in asthma patients.
H. Measuring peak expiratory flow rate (PEFR) helps assess the severity of airway obstruction and monitor asthma control. It can guide treatment decisions and determine if an asthma attack is occurring.
Correct Answer is B
Explanation
A. Orange juice is acidic, which can irritate a healing throat after a tonsillectomy. This acidity may cause discomfort and is generally not recommended in the early postoperative period.
B. Red gelatin is often considered a suitable option after a tonsillectomy because it is soft, easy to swallow, and typically well-tolerated. However, the color (red) may sometimes be avoided in some healthcare settings due to concerns that it can resemble blood in the event of bleeding.
C. A vanilla milkshake is creamy and can be soothing. However, if the milkshake is thick or cold, it may cause some discomfort for the patient. Additionally, the richness of a milkshake could be heavier than what is typically recommended immediately after surgery.
D. While bananas are soft and easy to swallow, they may not be the best choice right after a tonsillectomy. They can be somewhat sticky and may require more chewing, which could be uncomfortable for the patient at this stage.
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