A nurse is performing the diagnostic positions test. The nurse recognizes that normal findings from the diagnostic positions test should be which of these results?

Lid lag when moving the eyes from a superior to an inferior position

Nystagmus when reading the Snellen chart

Parallel movement of both eyes

Convergence of the eyes

Answer and Explanation

The Correct Answer is C

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.

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Correct Answer is D

Explanation

A) A heart murmur is a high-pitched sound caused by a narrowing of a heart valve:
While it's true that a narrowing of a heart valve (stenosis) can cause a murmur, the description of a heart murmur as a "high-pitched sound" due to this narrowing is overly specific and does not fully explain what a murmur is. A murmur is not always high-pitched, and it is caused by turbulent blood flow, which may occur for various reasons beyond just valve stenosis.

B) A heart murmur is an extra sound heard from blood entering a rigid heart chamber:
This description is somewhat inaccurate. While murmurs can result from turbulent blood flow through the heart chambers or valves, the idea that murmurs are "extra sounds from blood entering a rigid heart chamber" is misleading. A murmur occurs when there is turbulent blood flow, which can happen in both rigid and non-rigid chambers. The key point is that it's the turbulent flow, not just rigidity, that causes the sound.

C) A heart murmur is a sound generated by inflammation around the heart muscle:
This is incorrect. Inflammation around the heart muscle, such as in pericarditis, can cause chest pain or other symptoms but does not generate a heart murmur. A murmur is caused by turbulent blood flow, which can result from various heart valve issues (e.g., stenosis, regurgitation) or defects in the heart's structure (e.g., septal defects), not from inflammation around the heart muscle.

D) A heart murmur indicates turbulent blood flow through a valve in the heart:
This is the most accurate description. A heart murmur is typically caused by turbulent or irregular blood flow through a heart valve. This can occur for several reasons, such as valve stenosis (narrowing), valve regurgitation (leakage), or congenital heart defects that cause abnormal flow patterns. The turbulent flow disrupts the normal laminar (smooth) blood flow, creating the characteristic sound that can be heard with a stethoscope. Murmurs can vary in timing, pitch, and intensity depending on the nature of the flow disturbance.

A. Crackles B. Stridor C. Dyspnea D. Friction rub

Correct Answer is D

Explanation

A) Crackles: Crackles are abnormal lung sounds often associated with conditions such as pneumonia, heart failure, or pulmonary edema. They result from fluid in the airways or alveoli. However, crackles are not typically the primary finding in pleuritis, which involves inflammation of the pleura.

B) Stridor: Stridor is a high-pitched wheezing sound caused by an obstruction or narrowing of the upper airway, often seen in conditions such as croup or anaphylaxis. It is not characteristic of pleuritis, which involves inflammation of the pleura and not airway obstruction.

C) Dyspnea: Dyspnea, or difficulty breathing, is a common symptom in many respiratory conditions, including pleuritis. While pleuritis can lead to discomfort during breathing, dyspnea itself is not a sound that would be auscultated. It’s a subjective feeling that would be noted during the client’s history or verbal report, rather than an auscultatory finding.

D) Friction rub: A pleural friction rub is the most expected finding when auscultating a client with pleuritis. This sound occurs when the inflamed pleural layers rub against each other during breathing, producing a grating, scratchy sound. The nurse will typically hear this sound best on inspiration or expiration and it is the hallmark sign of pleuritis. The presence of a friction rub indicates the pleural inflammation characteristic of this condition.

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A nurse is performing the diagnostic positions test. The nurse recognizes that normal findings from the diagnostic positions test should be which of these results?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client was recently diagnosed with a heart murmur and is asking the nurse for more information. How should the nurse describe to the client about what a heart murmur is?

Correct Answer is D

Explanation

A client diagnosed with pleuritis has been admitted to the hospital and complains of pain with breathing. Which of the following assessment findings should the nurse expect when auscultating a client with pleuritis?

Correct Answer is D

Explanation

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