Correct Answer: C

Rationale: The correct answer is C: Prothrombin time (PT) of 30 seconds. A low potassium level (choice A) and an elevated INR (choice B) indicate potential bleeding risks during surgery. A positive pregnancy test (choice D) in a female client can lead to complications during surgery. However, a Prothrombin time of 30 seconds is within the normal range and does not contraindicate the client from having surgery as scheduled.

Correct Answer: C

Rationale: The correct answer is C: Prothrombin time (PT) of 30 seconds. A low potassium level (choice A) and an elevated INR (choice B) indicate potential bleeding risks during surgery. A positive pregnancy test (choice D) in a female client can lead to complications during surgery. However, a Prothrombin time of 30 seconds is within the normal range and does not contraindicate the client from having surgery as scheduled.

Correct Answer: C

Rationale: Fever and chills are systemic symptoms that may indicate a more severe infection or a complication of a urinary tract infection (UTI). While burning on urination and cloudy, dark urine are common symptoms of UTI, fever and chills suggest a more serious condition requiring immediate attention. Hematuria, which is blood in the urine, is also a concerning symptom but is more indicative of inflammation or infection rather than a complication.

Correct Answer: A

Rationale: The correct answer is 'Airborne.' Varicella (chickenpox) is caused by the varicella-zoster virus, which spreads through the air by respiratory droplets. Therefore, placing the client on airborne precautions is necessary to prevent the transmission of the virus. Choice B, 'Standard precautions,' involve basic infection prevention measures that are used for all client care. Choice C, 'Contact precautions,' are used for diseases that spread by direct or indirect contact. Choice D, 'Droplet precautions,' are implemented for diseases transmitted by respiratory droplets that are larger than 5 microns.

Correct Answer: C

Rationale: The correct answer is to advise the client to talk to their provider about medications to help quit smoking. Smoking is a major risk factor for coronary artery disease, and quitting smoking can significantly reduce the risk of complications. Choice A is incorrect because exercise is beneficial for managing coronary artery disease, but should be started gradually and under guidance. Choice B is incorrect and inappropriate as it undermines the client's ability to take control of their health. Choice D is incorrect because while a balanced diet is important, specifically targeting carbohydrates alone may not be the most effective or healthy approach for managing coronary artery disease.