first thing to do before entering patient's room

Correct Answer: B

Rationale: The correct answer is B: Knock. Before entering a patient's room, it is crucial to knock to respect the patient's privacy and give them a chance to prepare for your entry. This action demonstrates courtesy, professionalism, and consideration for the patient's personal space. It also helps prevent any potential embarrassment or discomfort for the patient. Choice A (Greet) should come after knocking to establish communication. Choice C (Twist the knob) is incorrect as it is a physical action that should be done after knocking to open the door. Choice D is incomplete.

Correct Answer: A

Rationale: The correct answer is A: Diarrhea. Rectal temperature should not be taken when a patient has diarrhea because it can lead to inaccurate readings due to rapid fluctuation in body temperature caused by fluid loss. Diarrhea can impair the body's ability to regulate temperature, resulting in unreliable readings. This can potentially lead to incorrect diagnosis and treatment decisions. Therefore, it is crucial to avoid taking rectal temperature in patients with diarrhea to ensure accurate assessment of their temperature status.

Correct Answer: A

Rationale: The correct answer is A: Position on the left side. When a person ingests poison, placing them on the left side helps prevent aspiration into the lungs. Gravity helps keep the poison in the stomach, reducing the risk of further harm. Placing the person on the right side can potentially lead to the poison moving into the esophagus or airway, increasing the risk of complications. Choices C and D are incomplete, lacking information to assess their validity.

Correct Answer: B

Rationale: The correct answer is B because anticipatory grieving refers to the process of mourning and preparing for an expected loss, such as receiving a cancer diagnosis. Crying upon diagnosis signifies the emotional response to the impending loss, demonstrating anticipatory grief. Choice A, not crying at a burial, does not relate to anticipatory grief as it occurs after the loss. Choice C and D are incomplete, making them incorrect by default.

Correct Answer: A

Rationale: The correct answer is A: At the extremities. Core temperature refers to the internal temperature of the body, which is regulated by the hypothalamus in the brain. Temperature readings at the extremities, such as the hands and feet, are usually lower than core body temperature. This is because blood flow is more restricted in these areas compared to the core, where vital organs are located. Therefore, measuring temperature at the extremities is not an accurate reflection of core body temperature. Choices B, C, and D are incorrect because core temperature is not typically measured at the abdomen or any other body part, but rather at central locations like the mouth, ear, or rectum for accurate readings.