Correct Answer: C

Rationale: The correct answer is C: 'Elimination of the exposure.' Primary prevention programs for occupational pulmonary diseases aim to prevent the development of these diseases by eliminating or minimizing exposure to harmful substances in the workplace. Screening for early symptoms (Choice A) focuses on secondary prevention, detecting diseases at an early stage. Providing treatment for diagnosed conditions (Choice B) is part of tertiary prevention, managing and treating established diseases. Increasing awareness of symptoms (Choice D) may help in early detection but does not directly address the prevention of exposure, which is crucial for primary prevention of occupational pulmonary diseases.

Correct Answer: A

Rationale: The correct action when using a fracture bedpan for an immobile client is to place the shallow end of the pan under the client's buttocks. This positioning helps in proper collection of feces without causing discomfort or injury. Encouraging the client to try to defecate for 20 minutes (Choice B) is inappropriate and unrealistic, as defecation should not be forced or timed. Keeping the bed flat (Choice C) is incorrect as elevating the head of the bed can help promote proper positioning for bedpan use. Hyperextending the client's back (Choice D) is contraindicated and can lead to discomfort and potential injury to the client.

Correct Answer: B

Rationale: To administer 200 mg of metoprolol using 100 mg tablets, the healthcare professional should give 2 tablets. Each tablet contains 100 mg of metoprolol, so 2 tablets will provide the required 200 mg dose. Choice A is incorrect because 1 tablet would only provide 100 mg, which is insufficient. Choice C is incorrect as fractions of tablets are usually not used in practice to ensure accurate dosing. Choice D is incorrect as it would result in an overdose, providing 400 mg instead of the prescribed 200 mg.

Correct Answer: D

Rationale: When caring for an unconscious patient, it is crucial to prevent choking and aspiration. Suctioning the oral cavity helps in removing secretions and preventing potential harm. Moisten the mouth using lemon-glycerin sponges may not effectively clear secretions. Holding the patient's mouth open with gloved fingers can cause discomfort and potential harm. Using foam swabs to remove plaque may not address the immediate risk of aspiration.

Correct Answer: A

Rationale: The correct precaution for Shigella infection is to wash hands thoroughly before and after contact with the client. Shigella is transmitted through the fecal-oral route, so hand hygiene is crucial in preventing its spread. Wearing a surgical mask or face shield is not necessary for Shigella as it is not primarily transmitted through respiratory droplets. While wearing a gown and gloves is important for standard precautions, the key precaution specific to Shigella is proper hand hygiene.