Correct Answer: C

Rationale: The correct answer is C because freezing of feet while walking is a sign of impaired mobility, indicating the need for physical therapy in clients with Parkinson's disease. Choices A, B, and D are symptoms commonly associated with Parkinson's disease but do not specifically indicate the need for immediate referral to physical therapy.

Correct Answer: C

Rationale: The correct answer is C: Previous violent behavior. This is the best predictor of future violence as individuals who have a history of violent behavior are more likely to engage in violent acts in the future. While experiencing delusions and being male may contribute to an increased risk of violence in certain situations, they are not as strong predictors as a history of violence. Similarly, having a history of being in prison may indicate a higher likelihood of violence, but it is not as directly linked to future violent behavior as previous violent actions.

Correct Answer: C

Rationale: The correct answer is C. A respiratory rate of 10/min indicates respiratory depression, a serious adverse effect of morphine that should be reported immediately. Options A, B, and D are within normal limits and are not indicative of a potentially life-threatening complication associated with morphine therapy.

Correct Answer: C

Rationale: Clients taking warfarin should avoid foods high in vitamin K, as it can interfere with the effectiveness of the medication.

Correct Answer: D

Rationale: The correct answer is to eat a light snack before bedtime. Consuming a light snack can help promote sleep by preventing discomfort from hunger. Choice A is incorrect because staying in bed for too long when unable to fall asleep can lead to frustration and worsen insomnia. Choice B is incorrect as taking a nap during the day can interfere with nighttime sleep. Choice C is incorrect as exercising before bed can increase alertness and make falling asleep more difficult.