Correct Answer: C

Rationale: Discussing with the client his inappropriate behavior prior to seclusion is important, but it's not the most appropriate action. The priority is to ensure the safety of the client and others, which can be achieved by documenting the client's behavior prior to seclusion. Offering fluids every 2 hours is a good practice to keep the client hydrated, especially if they are agitated or physically active. However, this is not the most appropriate action in this context. Documenting the client's behavior prior to being placed in seclusion is the most appropriate action. This documentation is crucial for legal and ethical reasons, and it helps in evaluating the effectiveness of the intervention. Assessing the client's behavior once every hour is important to monitor the client's condition and response to seclusion. However, this is not the most appropriate action in this context.

Correct Answer: B

Rationale:
Choice A is wrong because aspirin should not be given to children or adolescents with viral infections, as it can cause Reye's syndrome, a rare but potentially fatal condition that affects the liver and brain. This is because rubella is a highly contagious viral infection that can cause serious harm to the developing fetus if the pregnant person gets infected. Rubella can cause congenital rubella syndrome, which can result in hearing and vision loss, heart defects and other serious conditions in newborns.
Choice C is wrong because rubella does not require airborne precautions, which are used for diseases that can spread through very small droplets that can remain in the air for long periods of time, such as tuberculosis or measles. Rubella spreads through direct contact with saliva or mucus of an infected person, or through respiratory droplets from coughing or sneezing.
Therefore, standard and droplet precautions are sufficient to prevent transmission.
Choice D is wrong because Koplik spots are a characteristic sign of measles, not rubella. Koplik spots are small white spots that appear on the inside of the cheeks before the measles rash develops. Rubella causes a pink or red rash that usually starts on the face and moves down the body.

Correct Answer: A

Rationale: Crepitus (grating or crunching sound) with joint movement is a common finding in osteoarthritis due to cartilage degeneration and bone-on-bone contact.
Choice B is incorrect because osteoarthritis typically causes asymmetrical joint swelling, unlike rheumatoid arthritis, which is symmetrical.
Choice C is incorrect because morning stiffness in osteoarthritis is brief (less than 30 minutes), unlike rheumatoid arthritis, where it lasts longer (e.g., 2 hours).
Choice D is incorrect because fever is not a feature of osteoarthritis unless there is an infection or another condition.

Correct Answer: C

Rationale: Placing sterile gauze over areas of spilled solution within the sterile field is incorrect. If solution is spilled within the sterile field, the entire field should be considered contaminated and a new sterile field should be set up. Holding the irrigation solution bottle with the label facing away from the palm of the hand is incorrect. The label should face the palm of the hand to avoid contamination of the sterile field. Removing the cap and placing it sterile-side up on a clean surface is correct. This ensures that the sterile side of the cap remains sterile and can be used to recap the bottle after pouring the solution. Holding the bottle in the center of the sterile field when pouring the solution is incorrect. The bottle should be held over the edge of the sterile field to avoid contamination of the field if solution spills.

Correct Answer: B

Rationale: Unilateral arm weakness is typical post-stroke due to hemispheric brain damage. Bilateral weakness, fever, or abdominal pain are not specific.