the environment is warm

Correct Answer: A

Rationale: The correct answer is A because in a warm environment, the body needs to cool itself to maintain a stable internal temperature. This process is called thermoregulation. Sweating and vasodilation are mechanisms the body uses to release heat and cool down. Choice B is incorrect as the body does not need to warm itself in a warm environment. Choices C and D are incomplete and do not offer a logical explanation related to the situation given.

Correct Answer: A

Rationale: Step 1: Osteoporosis is a condition characterized by weakened bones, making them more prone to fractures. Step 2: Calcium is a key mineral required for bone health and strength. Step 3: Adequate calcium intake helps in preventing osteoporosis. Step 4: Advising Clarita to increase calcium in her diet will support bone health and reduce the risk of osteoporosis. Summary: Choice A (Calcium) is correct as it directly addresses the deficiency that can lead to osteoporosis. Choices B, C, and D are incorrect as they do not specifically target the mineral essential for bone health.

Correct Answer: B

Rationale: The fifth vital sign is pain, which is typically measured using a numerical scale. Walking on thumb tacks causes physical pain, making it an appropriate example of the fifth vital sign. Tasting spicy food does not involve physical pain and is not a vital sign. Therefore, the correct answer is B. Walking on thumb tacks.

Correct Answer: A

Rationale: The correct answer is A: The slower the pulse. As people age, their heart muscles may weaken, causing the heart to pump less efficiently, resulting in a slower pulse rate. This physiological change is a common part of the aging process. Choice B is incorrect as aging typically leads to a decrease, not an increase, in pulse rate. Choices C and D are left blank as they are irrelevant to the question.

Correct Answer: B

Rationale: The correct answer is B (Under tongue) for taking oral temperature. This method is widely used and recommended for its accuracy and convenience. Placing the thermometer under the tongue ensures direct contact with saliva, providing a more accurate reflection of core body temperature. Taking temperature in the gums (A) may not provide as reliable results due to variations in saliva production and positioning. No information is given for choices C and D.