When performing an eye assessment using the PERRLA acronym, how do test for "A"?
Ask the patient to follow your finger through the six cardinal fields of gaze.
Move your finger slowly toward the patient's nose and observe the pupils constrict and the eyes converge.
Shine a penlight into each eye and observe constriction of both pupils
Ask the patient to focus on a distant object and then read a near vision card.
The Correct Answer is B
Rationale:
A. Asking the patient to follow your finger through the six cardinal fields of gaze assesses extraocular muscle function and eye movement, not the "A" in PERRLA. This test evaluates cranial nerves III, IV, and VI, but it does not measure accommodation.
B. Moving your finger slowly toward the patient's nose and observing the pupils constrict and the eyes converge tests Accommodation, which is what the "A" in PERRLA represents. Accommodation involves the pupils adjusting for near vision (constricting) and convergence of the eyes, ensuring that the eyes can focus properly on close objects. This is the correct method for testing "A."
C. Shining a penlight into each eye and observing constriction of both pupils tests Pupillary Light Reflex, which corresponds to the "P" and "R" (Pupils Equal, Round, Reactive to Light) in PERRLA. This does not assess accommodation.
D. Asking the patient to focus on a distant object and then read a near vision card evaluates near and distance vision acuity, but it does not specifically test the pupillary constriction and convergence associated with accommodation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["D","E"]
Explanation
Rationale:
A. Lymph nodes that are freely moveable under the skin are typically normal. Mobility indicates that the node is not infiltrated by fibrotic tissue or malignant cells. Moveable nodes may shift slightly during palpation and are usually soft or rubbery.
B. Smooth lymph nodes are generally normal. Irregular, nodular, or spiculated nodes are more concerning for pathology. Smoothness alone does not indicate abnormality.
C. Non-tender lymph nodes are often normal, particularly if they are small and soft. Tenderness is usually associated with acute infections, such as localized cellulitis or mastitis. Therefore, non-tender nodes in isolation are not considered abnormal.
D. Hard lymph nodes are abnormal. Hardness suggests that the node may be infiltrated with malignant cells or fibrotic tissue, which can occur in breast cancer metastasis or chronic infections. Hard nodes are less compressible and may be associated with an irregular surface.
E. Fixed, immobile lymph nodes are also abnormal. Normal nodes are freely movable; when nodes are adherent to surrounding tissues, it can indicate malignancy, fibrosis, or metastatic spread. Fixed nodes do not shift easily with palpation and require prompt medical evaluation.
Correct Answer is C
Explanation
Rationale:
A. Bradycardia is typically a later sign of moderate to severe hypothermia, as the body’s core temperature drops significantly. Early hypothermia usually triggers compensatory mechanisms rather than slowing the heart rate.
B. Altered mental status occurs later in hypothermia when core body temperature falls substantially. Early stages are usually accompanied by alertness, as the body attempts to generate heat.
C. Shivering is the primary early physiological response to cold exposure. It is the body’s mechanism to generate heat through involuntary muscle activity and typically occurs when core body temperature begins to drop slightly below normal (mild hypothermia, 35–36°C or 95–96.8°F). Shivering is an important warning sign that the body is losing heat and compensating to maintain homeostasis.
D. Hypotension is a later manifestation of hypothermia due to cardiovascular depression and vasoconstriction failure. Early hypothermia usually presents with peripheral vasoconstriction, not low blood pressure.
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