Correct Answer: B

Rationale: The correct answer is, 'These are normal vital signs for a healthy, athletic adult.' A pulse rate of 48 beats per minute is considered bradycardia in adults, but it is not a concern in well-trained athletes like marathon runners. Bradycardia is a normal physiological response to aerobic conditioning. Tachycardia, on the other hand, is defined as a pulse rate above 100 beats per minute, which is not the case here. The low pulse rate in this scenario is a reflection of the athlete's cardiovascular fitness. Therefore, there is no need to notify the physician or schedule a follow-up visit based on these findings.

Correct Answer: C

Rationale: Patients who are unable to move in bed are at high risk of developing pressure ulcers and skin breakdown due to prolonged pressure on specific body areas. Turning these patients at least every 2 hours is crucial to relieve pressure, improve circulation, and prevent skin damage. More frequent turning may be necessary for patients with specific needs, such as those who are incontinent of urine and require additional care. Turning patients less frequently, such as once a day, twice a day, or every 4 hours, increases the risk of developing pressure ulcers and other complications. Therefore, the correct answer is to turn patients who cannot move in their bed on their own every 2 hours.

Correct Answer: B

Rationale: The wheelchair should be positioned at the head of the bed on the resident's left side. This positioning allows the resident to use their stronger left side to assist with the transfer, compensating for the right-sided weakness. Placing the wheelchair at the head of the bed on the patient's right side (Choice A) would not utilize the stronger left side, which is crucial for the transfer. Similarly, positioning the wheelchair at the bottom of the bed on either side (Choices C and D) would not facilitate optimal assistance from the resident's stronger side during the transfer process.

Correct Answer: B

Rationale: The nurse auscultates an apical rate, not a radial pulse, with infants and toddlers. The pulse should be counted by listening to the heart for 1 full minute to account for normal irregularities, such as sinus dysrhythmia. Children younger than 3 years of age have such small arm vessels; consequently, hearing Korotkoff sounds with a stethoscope is difficult. The nurse should use either an electronic blood pressure device that uses oscillometry or a Doppler ultrasound device to amplify the sounds. An infant's respiratory rate should be assessed by observing the infant's abdomen, not chest, because an infant's respirations are normally more diaphragmatic than thoracic. The nurse should auscultate an apical heart rate, not palpate a radial pulse, with infants and toddlers.

Correct Answer: B

Rationale: When the body needs to lose heat, one of the mechanisms it employs is radiation. Radiation involves the transfer of heat from the body to the environment in the form of infrared waves. While metabolism, exercise, and food digestion contribute to heat production, they are not mechanisms for heat loss. Metabolism generates heat as a byproduct, exercise increases metabolic rate leading to heat production, and food digestion involves some heat generation, but these processes do not directly facilitate heat loss. Therefore, in the scenario where the patient is feeling cold, radiation is the primary mechanism for the body to lose excess heat and maintain a stable internal temperature.