the nurse is teaching a class on basic assessment skills which of these statements is true regarding the stethoscope and its use
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1. The instructor is teaching a class on basic assessment skills. Which of the following statements is true regarding the stethoscope and its use?

Correct answer: B

Rationale: The stethoscope does not magnify sound but effectively blocks out extraneous room noises. The correct orientation of the earpieces is with the slope pointing forward toward the examiner's nose, not posteriorly. The tubing length of a stethoscope should ideally be between 14 to 18 inches (36 to 46 cm) to avoid sound distortion. Using tubing longer than this range can distort sound. Both the fit and quality of the stethoscope are crucial for accurate auscultation and assessment, highlighting their significance in clinical practice. Therefore, the correct answer is that the stethoscope blocks out extraneous room noise but does not magnify sound.

2. Cheryl M. has a serious swallowing disorder. She has asked you for a glass of water. The doctor has ordered honey thickness liquids for her. Water is not a honey thickness liquid. It is much thinner. What should you do?

Correct answer: D

Rationale: You can give Cheryl the water that she has requested; however, since water is not a honey-thick liquid as ordered by the doctor, you must thicken it with a commercial thickener before giving it to her. This will ensure that the water is at the appropriate consistency for her swallowing disorder. Choices A, B, and C are incorrect: A) Telling the resident she cannot have water is not the best course of action without attempting to modify it first. B) Giving her applesauce instead of water does not address the specific request for water. C) Placing Cheryl on NPO status until midnight is unnecessary and does not address her immediate request for water.

3. During an assessment, the nurse notices that a patient is handling a small charm that is tied to a leather strip around their neck. Which action by the nurse is appropriate?

Correct answer: A

Rationale: The small charm tied to a leather strip is likely an amulet, which many cultures consider an important means of protection from 'evil spirits.' When a patient appears to have a health practice the nurse is unfamiliar with, the nurse should ask for clarification in a non-judgmental way that communicates acceptance of their beliefs and allows for open communication. Thus, the nurse in this situation should inquire about the amulet's meaning to the patient. Asking the patient to lock the item with other valuables in the hospital's safe, telling the patient that a family member should take valuables home, or doing nothing does not address the importance or meaning of a cultural health practice to the patient and does not allow the nurse to gain an understanding of the patient's cultural health practices.

4. A client is being instructed on how to use crutches. Which of the following information should be included in the teaching?

Correct answer: B

Rationale: When instructing a client on how to use crutches for ambulation, it is important to emphasize keeping the crutch tips dry to prevent slipping while bearing weight on them. Moisture on the crutch tips can lead to accidents. Therefore, the correct answer is to dry the crutch tips with a paper towel if they become wet. Choice A, placing the majority of body weight on the axilla, is incorrect as the weight should be borne through the hands, not the axilla, to avoid nerve damage. Choice C, using the crutches to lift both feet simultaneously when ascending stairs, is incorrect as the client should ascend stairs by placing weight on the unaffected leg first, followed by the crutches and then the affected leg. This method provides stability and safety during stair climbing.

5. A 4-month-old child is at the clinic for a well-baby checkup and immunizations. Which of these actions is most appropriate when the nurse is assessing an infant's vital signs?

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.

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