Which statement describes the function of the bell and diaphragm of a stethoscope?

Both the bell and diaphragm are used interchangeably for all types of sounds and pitches

The bell is used for high-pitched sounds, while the diaphragm is used for low-pitched sounds

The diaphragm is used for high-pitched, like bowel sounds, while the bell is for low-pitched sounds

The diaphragm is used for softer sounds, like a murmur, while the bell is used for louder sounds

Answer and Explanation

The Correct Answer is C

A. Both the bell and diaphragm are used interchangeably for all types of sounds and pitches: The bell and diaphragm have distinct functions and are not interchangeable; each is designed to optimally detect specific sound frequencies.

B. The bell is used for high-pitched sounds, while the diaphragm is used for low-pitched sounds: This is incorrect; the bell is designed for low-pitched sounds, and the diaphragm is used for high-pitched sounds.

C. The diaphragm is used for high-pitched, like bowel sounds, while the bell is for low-pitched sounds: The diaphragm efficiently detects high-frequency sounds such as breath sounds, bowel sounds, and normal heart sounds, while the bell is more sensitive to low-frequency sounds like heart murmurs or bruits.

D. The diaphragm is used for softer sounds, like a murmur, while the bell is used for louder sounds: This reverses their functions; the bell is better suited for soft, low-pitched sounds, whereas the diaphragm captures louder, high-pitched sounds.

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Free Nursing Study Resources

Correct Answer is {"dropdown-group-2":"A","dropdown-group-3":"B"}

Explanation

• Melena: Melena is an observable finding indicating dark, tarry stools, which the nurse can verify during the physical assessment. As an objective sign, it is measurable and detectable without relying on the client’s personal report. Documenting melena provides concrete evidence of gastrointestinal bleeding or other pathology.

• Stomach pain: Stomach pain is a subjective symptom because it is reported by the client and cannot be directly measured by the nurse. It reflects the client’s personal experience of discomfort and is essential to capture during assessment. Subjective data help guide further evaluation and treatment planning based on the client’s reported experience.

A. Identify the needed nursing actions to address the client's health problem. B. Interview the client about current and past health history. C. Measure the success of the care goals. D. Develop the expected outcome with the client.

Correct Answer is B

Explanation

A. Identify the needed nursing actions to address the client's health problem: Planning and determining interventions occur in the planning phase, not during assessment. Assessment focuses on data collection rather than action implementation.

B. Interview the client about current and past health history: Collecting subjective and objective information through interviews, observation, and examination is the core of the assessment phase. This information forms the foundation for identifying problems and planning care.

C. Measure the success of the care goals: Evaluating whether goals have been met is part of the evaluation phase. It occurs after interventions have been implemented and outcomes are assessed.

D. Develop the expected outcome with the client: Establishing expected outcomes is part of the planning phase. It follows assessment and involves collaboration with the client to determine realistic and measurable goals.

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Which statement describes the function of the bell and diaphragm of a stethoscope?

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Naxlex Comprehensive Predictor Exams

45. Complete the sentence by selecting from the drop-down lists. A nurse is assessing the gastrointestinal system of a client. The nurse should document dropdown as objective data anddropdown as subjective data.

Correct Answer is {"dropdown-group-2":"A","dropdown-group-3":"B"}

Explanation

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Correct Answer is B

Explanation

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