A patient has a normal corneal light reflex. The nurse recognizes that this reflex indicates which information about the eyes?
The eyes converge and the pupils constrict to focus on the light.
The constriction of both pupils occurs in response to bright light.
The eyes focus the image in the center of the macula for precise vision.
The eyes are normally aligned when the light is in the same location on each eye.
The Correct Answer is D
Choice A reason: Convergence and pupil constriction are accommodation reflexes, not corneal light reflex, which tests alignment. Light reflection symmetry indicates eye alignment, so this incorrect for the reflex’s purpose.
Choice B reason: Pupil constriction is a pupillary reflex, not corneal light reflex. The corneal reflex involves light reflection on corneas, assessing alignment, not pupil response, so this is incorrect.
Choice C reason: Macular focus is related to visual acuity, not corneal reflex, light reflex, which checks eye alignment via light reflection. Symmetric reflection is key, so this incorrect for the reflex’s indication.
Choice D reason: A normal corneal reflex shows light reflecting in the same spot on both corneas, indicating proper eye alignment. This is the definition of the reflex, making it the correct choice for eye assessment.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: The submandibular glands are palpable below the mandible, but occipital glands do not exist as salivary glands. The occipital region relates to lymph nodes or muscles, not salivary structures, making this an incorrect pair for palpation.
Choice B reason: The parotid glands are palpable near the ears, but jugulodigastric refers to lymph nodes, not salivary glands. This misidentification of anatomical structures makes this pair incorrect for assessing salivary gland palpation.
Choice C reason: Occipital and submental regions do not contain salivary glands. Submental lymph nodes exist, but neither these nor occipital structures are salivary glands, making this pair anatomically incorrect for the nurse’s palpation assessment.
Choice D reason: The parotid glands, located anterior to the ears, and submandibular glands, below the mandible, are the two pairs of salivary glands accessible for palpation. Their anatomical positions allow external assessment, making this the correct choice.
Correct Answer is D
Explanation
Choice A reason: Large, fixed lymph nodes suggest pathology, such as malignancy or chronic infection, as they indicate adherence to surrounding tissues. In healthy adults, lymph nodes are typically small and not fixed, making this an abnormal and incorrect characteristic.
Choice B reason: Large, non-mobile lymph nodes may indicate infection or malignancy, as healthy nodes are usually small and mobile. Non-mobility suggests tissue infiltration, which is pathological, making this an incorrect description of normal lymph node characteristics.
Choice C reason: Granular texture is not a standard term for describing lymph nodes. Healthy nodes, when palpable, feel smooth and soft. Granular suggests abnormality, possibly infection or malignancy, making this an inaccurate characteristic for healthy lymph nodes.
Choice D reason: In healthy adults, lymph nodes are typically not palpable, as they are small, soft, and non-tender, blending into surrounding tissues. Palpable nodes often indicate inflammation or pathology, making this the correct description of a normal finding.
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