The nurse is assessing the visual acuity of a client who reports changes in vision. How many feet away from the Snellen chart should the client stand? (Enter a whole number only.)
The Correct Answer is ["20"]
The standard distance for a visual acuity test using the Snellen chart is 20 feet. This distance allows for an accurate assessment of how well a person can see the details of the letters on the chart, which is a common method used by eye doctors to measure visual acuity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A firm mass at the bottom of the left rib cage could indicate an enlarged spleen. Splenomegaly can result from various conditions such as infections, liver disease, or blood disorders. This finding is considered abnormal and warrants further evaluation.
B. Rebound tenderness in the right upper quadrant is used to assess for peritoneal irritation, often associated with conditions such as appendicitis. This finding is not specific to the spleen but rather indicates potential issues in the right side of the abdomen, and is not directly related to palpation of the spleen.
C. The spleen is normally not palpable in most people. If the tip of the spleen is palpable during deep palpation or when the client is asked to exhale forcefully, it may indicate mild splenomegaly. While this finding might suggest an abnormality, it is less alarming than a firm, consistently palpable mass.
D. McBurney’s point is located in the right lower quadrant and is used to assess for appendicitis. Pain at McBurney’s point is related to appendiceal inflammation and is not specific to the spleen. This finding does not provide information about the spleen but rather about potential appendiceal pathology.
Correct Answer is A
Explanation
A. Pain radiating to the neck, jaw, or medial side of the left arm is a classic symptom of an acute myocardial infarction (AMI). This type of referred pain occurs because the heart's pain signals are often perceived in other areas of the body. This finding is a strong indicator of AMI and is consistent with the typical presentation of myocardial infarction.
B. Pain in the anterior thorax that radiates between the scapulae can be associated with various conditions, including myocardial infarction, but it is less specific than pain radiating to the neck, jaw, or arm. While this type of pain can occur in AMI, it is not as distinctive as the classic left arm pain and may also be seen in conditions like angina or musculoskeletal issues.
C. Localized sternal border pain that worsens with palpation is more indicative of a musculoskeletal issue, such as costochondritis, rather than an acute myocardial infarction. AMI typically presents with diffuse chest pain that is not localized or worsened by palpation.
D. Chest pain that worsens with chest movement, such as deep breathing or coughing, is more characteristic of pleuritic pain or musculoskeletal pain rather than an acute myocardial infarction. In AMI, the pain is generally persistent and not influenced by respiratory movements.
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