A nurse is auscultating the lungs of a client and hears low-pitched, soft breath sounds over the posterior lower lobes and inspiration that is longer than expiration. How should the nurse interpret these findings?

These sounds are normally auscultated over the trachea

These are bronchial breath sounds and normal in that location

These are bronchovesicular breath sounds and normal in that location

These are vesicular breath sounds and normal in that location

Answer and Explanation

The Correct Answer is D

A) These sounds are normally auscultated over the trachea:
This is incorrect. The tracheal breath sounds are harsh, loud, and high-pitched, typically heard over the trachea and larynx. These characteristics differ from the soft, low-pitched sounds described in the question, which are more consistent with vesicular breath sounds.

B) These are bronchial breath sounds and normal in that location:
This is incorrect. Bronchial breath sounds are typically heard over the trachea and larynx, not the lower lobes of the lungs. Bronchial sounds are loud, high-pitched, and have a longer expiration phase compared to inspiration, unlike the low-pitched, soft sounds with longer inspiration that are heard in the lower lobes.

C) These are bronchovesicular breath sounds and normal in that location:
This is incorrect. Bronchovesicular breath sounds are a mix of bronchial and vesicular sounds, with inspiration and expiration of about equal duration. They are typically heard over the major bronchi, near the sternum and between the scapulae, rather than over the posterior lower lobes. The description in the question suggests vesicular breath sounds, which have a longer inspiration phase.

D) These are vesicular breath sounds and normal in that location:
This is the correct answer. Vesicular breath sounds are soft, low-pitched, and typically heard over the peripheral lung fields, including the posterior lower lobes. These sounds have a longer inspiration phase than expiration and are considered normal in this location. The description in the question fits the characteristics of vesicular breath sounds perfectly.

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Correct Answer is C

Explanation

A) Lid lag when moving the eyes from a superior to an inferior position:
This is incorrect. Lid lag refers to a delay in the movement of the eyelid as the eyes move downward. It is considered an abnormal finding and is often associated with conditions like hyperthyroidism (Graves' disease), where the eyelid does not follow the downward gaze appropriately. In the diagnostic positions test, normal eye movement should not include lid lag.

B) Nystagmus when reading the Snellen chart:
This is incorrect. Nystagmus is an involuntary, rhythmic oscillation of the eyes, which can be indicative of a neurological or vestibular issue. It is not a normal finding during the diagnostic positions test. Nystagmus may be seen with certain disorders, such as vestibular dysfunction, neurologic damage, or alcohol intoxication, but it should not occur as a normal response to eye movement during the diagnostic positions test.

C) Parallel movement of both eyes:
This is the correct answer. In a normal result of the diagnostic positions test, both eyes should move in parallel and remain aligned during all directions of gaze. The purpose of this test is to assess for any eye muscle weakness or cranial nerve dysfunction that might cause misalignment, such as strabismus or a disorder affecting the extraocular muscles. If both eyes track smoothly and simultaneously without deviation or lag, this is a normal and expected finding.

D) Convergence of the eyes:
This is incorrect. While convergence (the inward movement of both eyes toward the nose) is a normal response when focusing on a near object, it is not the specific goal of the diagnostic positions test. The diagnostic positions test is primarily concerned with assessing the ability of the eyes to move together in all directions of gaze without misalignment or abnormal movement. While convergence is a sign of normal eye function, it is not the primary focus of this particular test.

A. II B. I C. VI D. IV

Correct Answer is A

Explanation

A) II:
This is the correct answer. The optic nerve (cranial nerve II) is responsible for visual acuity, as it transmits visual information from the retina to the brain. When assessing visual acuity, the nurse is evaluating the function of the optic nerve, which is responsible for the sense of vision. Therefore, cranial nerve II should be assessed during a visual acuity exam.

B) I:
This is incorrect. The olfactory nerve (cranial nerve I) is responsible for the sense of smell, not vision. Visual acuity is not related to the olfactory nerve, so it is not involved in this type of assessment.

C) VI:
This is incorrect. The abducens nerve (cranial nerve VI) controls the lateral rectus muscle of the eye, which is responsible for outward eye movement. While cranial nerve VI plays a role in eye movement, it is not directly involved in measuring visual acuity, which pertains to the function of the optic nerve.

D) IV:
This is incorrect. The trochlear nerve (cranial nerve IV) controls the superior oblique muscle, which helps with eye movement, specifically downward and inward eye movements. This nerve is not involved in measuring visual acuity.

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A nurse is auscultating the lungs of a client and hears low-pitched, soft breath sounds over the posterior lower lobes and inspiration that is longer than expiration. How should the nurse interpret these findings?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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