The nurse read the patient's health history and noted cranial nerve III oculomotor paralysis. Which of the following would the nurse expect?
The eye cannot look to the outside.
Myopia.
Ptosis will be evident and no pupillary constriction.
Normal eye movement.
The Correct Answer is C
Choice a reason:
The inability of the eye to look outward, known as lateral rectus palsy, is associated with cranial nerve VI, the abducens nerve, not the oculomotor nerve. The oculomotor nerve does not control the lateral rectus muscle which governs this movement.
Choice b reason:
Myopia, or nearsightedness, is a refractive error of the eye where distant objects appear blurry while close objects can be seen clearly. It is not related to oculomotor nerve paralysis, which affects eye movements and pupil response, not the shape of the eyeball or the refractive properties of the lens.
Choice c reason:
Ptosis, or drooping of the upper eyelid, and an absence of pupillary constriction are classic signs of oculomotor nerve paralysis. The oculomotor nerve controls most of the eye's movements, including lifting the eyelid via the levator palpebrae superioris muscle and constricting the pupil through the circular muscles of the iris.
Choice d reason:
Normal eye movement would not be expected in a patient with oculomotor nerve paralysis. This nerve controls the majority of the eye's movements, so paralysis would lead to abnormal eye movement, such as the inability to move the eye upward, downward, or inward.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
Choice a reason:
Wearing nonslip shoes in the house can prevent falls, which are a common cause of traumatic brain injuries (TBIs) in adolescents. Falls often occur due to slippery surfaces, and nonslip shoes provide better traction, reducing the risk of such accidents.
Choice b reason:
Supervised use of guns by an adult is crucial to prevent accidental shootings, which can result in TBIs or even more severe outcomes. Adolescents may not fully understand the risks associated with handling firearms, and adult supervision ensures that safety measures are followed.
Choice c reason:
The consistent use of seat belts in vehicles is one of the most effective ways to prevent TBIs during car accidents. Seat belts keep occupants from being ejected or hitting the interior of the car, significantly reducing the risk of head injuries.
Choice d reason:
Avoiding risky activities such as snowboarding without proper safety measures can prevent sports-related TBIs. While snowboarding, wearing a helmet and other protective gear is essential to protect the head during falls or collisions.
Correct Answer is B
Explanation
Choice A Reason:
The conjunctiva can sometimes appear yellow in individuals with jaundice; however, it is not the most reliable area to inspect for jaundice. The conjunctiva may be affected by other factors such as environmental irritants or infections, which can alter its appearance.
Choice B Reason:
The sclera of the eye is the most reliable area to inspect for jaundice. The yellowing of the sclera, also known as scleral icterus, is a key indicator of jaundice. The sclera's white background provides a clear contrast, making any yellow discoloration more noticeable. This is particularly true in darker-skinned individuals, where skin changes may be less apparent.
Choice C Reason:
The back of the neck is not a reliable area to inspect for jaundice. Skin pigmentation and lighting can affect the visibility of yellowing, making it an unreliable indicator. Additionally, the back of the neck may have other skin changes unrelated to jaundice that could confuse the assessment.
Choice D Reason:
The palms of the hands are not the most reliable area to inspect for jaundice. While the palms may show yellowing, they are subject to various external factors such as manual labor or exposure to substances that can affect their color. Moreover, the palms' skin may be thicker and less transparent, making subtle changes in color more difficult to detect.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today