The nurse is assessing a patient and identifies a defined reddened area of the sclera resulting from leakage of blood outside the blood vessels due to increased pressure within the eye. These findings are most consistent with?
subconjunctival hemorrhage
Ptosis
Exopthalaros
Astigmatism
The Correct Answer is A
A) Subconjunctival hemorrhage: A subconjunctival hemorrhage occurs when small blood vessels in the conjunctiva (the clear membrane covering the white part of the eye) rupture, allowing blood to leak into the space between the conjunctiva and sclera. This results in a defined, bright red area on the sclera, and it can occur due to increased pressure within the eye, such as from coughing, sneezing, or straining. The condition is generally benign and resolves on its own, typically without pain or changes in vision.
B) Ptosis: Ptosis refers to drooping of the upper eyelid, often due to muscle weakness or nerve issues. This condition affects the eyelid position and does not cause a reddened area of the sclera or leakage of blood from vessels. Ptosis would not be associated with the findings described in the question.
C) Exophthalmos: Exophthalmos is the abnormal protrusion of the eyeball, often seen in thyroid eye disease or Graves' disease. While it affects the position of the eyes, it does not cause leakage of blood or redness in the sclera. This condition is more related to changes in the orbit or eye socket rather than bleeding from small blood vessels.
D) Astigmatism: Astigmatism is a refractive error caused by an irregular shape of the cornea or lens. It results in blurry or distorted vision but does not cause redness, bleeding, or changes to the sclera. This visual condition is unrelated to the physical changes described in the question.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Rosenbaum test: The Rosenbaum test is used to assess near vision and is typically performed with a handheld card to check for presbyopia, which is the difficulty seeing up close. It is not appropriate for testing peripheral vision, which is the focus of the current assessment.
B) Consensual constriction: Consensual constriction refers to the reaction of the pupil in the opposite eye when light is shined into one eye. This test assesses the pupillary light reflex, which evaluates how well the pupils constrict in response to light. It is not used to assess peripheral vision and focuses more on the function of the optic nerve and pupil reaction.
C) Corneal Light Reflex: The corneal light reflex is a test used to assess for strabismus (misalignment of the eyes) by checking the symmetry of the light reflection on the cornea. This test helps in diagnosing eye alignment issues, but it does not evaluate peripheral vision.
D) Confrontation test: The confrontation test is a straightforward and effective method used to assess peripheral vision. The nurse and patient sit facing each other, and the patient covers one eye while the nurse tests the other eye’s visual fields by moving their fingers in from the periphery. This test evaluates the patient's ability to detect objects in their peripheral vision and is specifically designed for this purpose.
Correct Answer is B
Explanation
A) Expected finding: Cotton wool spots are not considered an expected finding during a routine eye exam. These spots are indicative of underlying pathology, and their presence typically suggests an abnormality that warrants further investigation. They are not part of normal eye anatomy or typical health.
B) Unexpected finding: Cotton wool spots are small, white, fluffy lesions in the retina that occur due to microinfarctions of retinal nerve fibers. Their presence is considered an unexpected or abnormal finding during an ophthalmoscopic exam and can be associated with several conditions, including diabetes, hypertension, and other systemic diseases that affect blood flow to the retina. Their appearance is a signal of potential underlying health issues that require attention.
C) Expected variation: Cotton wool spots are not a variation of normal anatomy or function. They are pathological and should not be regarded as a normal variation of retinal appearance during an eye exam.
D) Irrelevant: The term "irrelevant" is not applicable in this context, as the presence of cotton wool spots is highly relevant to the clinical assessment. Their discovery suggests a need for further investigation into the patient's overall health, particularly cardiovascular or systemic conditions.
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