Drug therapy of tuberculosis differs from that of most other infections because:

Patients usually require therapy for a shorter period

Patients with tuberculosis have no symptoms

Mycobacteria have a cell wall that is resistant to penetration by anti-infective drugs

Anti-tuberculosis drugs are used extensively for treating active disease, not preventing it

Answer and Explanation

The Correct Answer is C

A. Patients usually require therapy for a shorter period: This is incorrect. TB therapy typically lasts for several months, longer than most other bacterial infections.
B. Patients with tuberculosis have no symptoms: This is incorrect. Many patients with active TB do exhibit symptoms such as cough, fever, night sweats, and weight loss.
C. Mycobacteria have a cell wall that is resistant to penetration by anti-infective drugs: This is correct. The mycobacterial cell wall is complex and impermeable, requiring specialized drugs and prolonged treatment.
D. Anti-tuberculosis drugs are used extensively for treating active disease, not preventing it: This is partially true, but TB drugs are also used for latent TB infection to prevent it from becoming active. Thus, it is not a primary reason differentiating TB therapy from other infections.

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Correct Answer is D

Explanation

A. It may interfere with cartilage development: Tetracyclines can deposit in developing bones and teeth, potentially causing discoloration and affecting bone growth in children.
B. Children become dehydrated easily: While dehydration is a concern in any illness, it's not the specific reason to avoid tetracyclines in children.
C. Photosensitivity may occur: Photosensitivity can be a side effect of some medications, but it's not the main reason to avoid tetracyclines in children.
D. Children's teeth may become discoloured: Tetracycline can stain developing teeth, causing permanent discoloration. This is the major reason to avoid them in young children.

A. "I will need to postpone my vacation at the beach until I finish this medication." B. "I will stop taking this medication as soon as I feel better." C. "It is fine for me to become pregnant while taking this medication." D. "I am so glad to be leaving today because I have an appointment at the tanning salon." E. Tetracycline is contraindicated during pregnancy due to the risk of harm to the developing fetus, including potential tooth discoloration and inhibited bone growth.

Correct Answer is A

Explanation

A. "I will need to postpone my vacation at the beach until I finish this medication."
Tetracycline can cause photosensitivity, making the skin more susceptible to sunburn. Avoiding sun exposure, such as delaying a beach vacation, is a wise precaution.
B. "I will stop taking this medication as soon as I feel better."
This is incorrect because antibiotics should be taken for the full prescribed duration to ensure the infection is fully treated and to prevent antibiotic resistance.
C. "It is fine for me to become pregnant while taking this medication."
Tetracycline is contraindicated during pregnancy due to the risk of harm to the developing fetus, including potential tooth discoloration and inhibited bone growth.
D. "I am so glad to be leaving today because I have an appointment at the tanning salon."
This is incorrect because exposure to UV rays from tanning salons should be avoided due to the risk of photosensitivity and severe sunburn while taking tetracycline

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Drug therapy of tuberculosis differs from that of most other infections because:

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Naxlex Comprehensive Predictor Exams

Children younger than 9 years should not be given tetracyclines because:

Correct Answer is D

Explanation

The nurse is caring for a client who is being discharged with a prescription for tetracycline. Which of the following statements, if made by the client. demonstrates an understanding of the discharge instructions?

Correct Answer is A

Explanation

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