A health educator is performing a health promotion workshop with the staff of a large, urban homeless shelter, and a component of the teaching centers around tuberculosis. One of the staff members comments, "Anyone who's had contact with tuberculosis in the past can give it to any of the other residents of the shelter, even if they didn't get sick themselves." How could the educator best respond to this comment?
"Actually, people who have the latent form of the disease won't be sick and can't spread it either."
"Many people do manage to fight off the infection, but you are right: they can still spread it by coughing or sneezing."
"There isn't any real risk of them spreading it, but we would like to vaccinate everyone who's had any contact with it in the past."
"If someone has been previously exposed to tuberculosis, they are particularly infectious because they are often unaware of the disease."
The Correct Answer is A
A. Actually, people who have the latent form of the disease won't be sick and can't spread it either: This response is accurate because individuals with latent tuberculosis infection (LTBI) do not exhibit symptoms and are not infectious. They carry the bacteria in their body, but it remains dormant and does not spread to others. Only those with active tuberculosis disease are capable of transmitting the infection through respiratory droplets.
B. Many people do manage to fight off the infection, but you are right: they can still spread it by coughing or sneezing: This statement is misleading because it implies that individuals with LTBI can spread the disease, which is not the case. Only those with active TB are contagious.
C. There isn't any real risk of them spreading it, but we would like to vaccinate everyone who's had any contact with it in the past: This response downplays the importance of understanding the difference between latent and active TB and could create confusion. Vaccination for tuberculosis (BCG vaccine) is not routinely given in the United States, and exposure alone does not necessitate vaccination.
D. If someone has been previously exposed to tuberculosis, they are particularly infectious because they are often unaware of the disease: This statement is incorrect, as individuals who have been exposed but have LTBI are not infectious. It is only those with active TB who pose a risk of spreading the infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E"]
Explanation
A. Expecting copious amounts of frothy, pink sputum: This symptom is typically associated with left-sided heart failure or pulmonary edema, where fluid accumulates in the lungs, leading to the production of frothy, pink sputum. It is not a classic manifestation of right-sided heart failure.
B. Fine crackles throughout both lung fields: Fine crackles are more indicative of left-sided heart failure due to fluid accumulation in the lungs (pulmonary congestion). In right-sided heart failure, the primary issues relate more to systemic congestion rather than pulmonary congestion.
C. +pitting edema in lower extremities: Right-sided heart failure often leads to fluid retention and peripheral edema due to increased venous pressure. Pitting edema in the lower extremities is a common clinical manifestation in patients with cor pulmonale and right-sided heart failure.
D. Altered level of consciousness: This can occur due to decreased cardiac output and resulting reduced cerebral perfusion. In right-sided heart failure, especially in advanced stages, fluid overload can lead to increased intracranial pressure, contributing to altered mental status.
E. Jugular vein distention: Jugular vein distention is a classic sign of right-sided heart failure. Increased pressure in the right atrium due to fluid overload results in distended neck veins, indicating elevated venous pressure.
Correct Answer is A
Explanation
A. Hospital-acquired pneumonia: Pneumonia that develops 48 hours or more after hospital admission is classified as hospital-acquired pneumonia (HAP). It is caused by pathogens acquired in the hospital setting, often involving multidrug-resistant organisms such as Pseudomonas aeruginosa, Staphylococcus aureus (including MRSA), and Klebsiella pneumoniae. Patients who are intubated, have prolonged hospital stays, or have weakened immune defenses are at higher risk.
B. Immunocompromised pneumonia: Pneumonia in immunocompromised patients occurs due to weakened host defenses, such as in individuals with HIV/AIDS, those undergoing chemotherapy, or transplant recipients on immunosuppressive therapy. While these patients can develop HAP, pneumonia due to opportunistic infections like Pneumocystis jirovecii or fungal infections is categorized separately.
C. Community-acquired pneumonia: Pneumonia acquired outside the hospital or within the first 48 hours of admission is classified as community-acquired pneumonia (CAP). Typical pathogens include Streptococcus pneumoniae, Haemophilus influenzae, and Mycoplasma pneumoniae. CAP is usually less resistant to antibiotics compared to HAP.
D. Viral pneumonia: Pneumonia caused by viral pathogens such as influenza, respiratory syncytial virus (RSV), or SARS-CoV-2 is classified based on the causative agent rather than the setting in which it was acquired. Although viruses can cause both CAP and HAP, the classification of pneumonia is determined by the timing of onset and exposure risks.
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