Correct Answer: A

Rationale: The correct answer is A. Clonidine, a Sympathoplegic, typically causes hypotension rather than hypertension. The other side effects associated with Clonidine include dry oral cavity, lethargic behavior, and difficulty breathing, making them incorrect choices in this context.

Correct Answer: B

Rationale: Prednisone is not a common treatment for testicular cancer. Prednisone is used in conditions like Cushing's disease, lymphomas, and chronic leukemias due to its anti-inflammatory and immunosuppressive properties. However, testicular cancer treatment typically involves surgery, chemotherapy, and radiation therapy, but not Prednisone.

Correct Answer: D

Rationale: Fluoroquinolones are known to be associated with tendon dysfunction or rupture. These drugs can weaken the tendons, leading to potential issues such as tendonitis or even tendon rupture. It is essential for healthcare providers to be cautious when prescribing fluoroquinolones, especially in patients who may be at higher risk for tendon-related complications.

Correct Answer: C

Rationale: Tetracycline is known to cause extreme photosensitivity reactions, making individuals more sensitive to sunlight and increasing the risk of severe sunburn. It is essential for patients taking tetracycline to protect themselves from excessive sun exposure to prevent adverse reactions.

Correct Answer: B

Rationale: When a drug name ends in the suffix -navir, it indicates that the drug is a protease inhibitor. Protease inhibitors are commonly used in antiviral therapy to treat infections by inhibiting viral replication. Therefore, the correct answer is B: Protease inhibitor.