Which cranial nerve is responsible for the sense of smell?
V – Trigeminal.
II – Optic.
I – Olfactory.
VIII – Vestibulocochlear.
The Correct Answer is C
Choice A reason: The trigeminal nerve (V) controls facial sensation and chewing, not smell, which is governed by the olfactory nerve (I). Misidentifying this risks incorrect neurological assessment, potentially missing olfactory deficits indicating brain injury or tumors, critical for accurate diagnosis and management in patients with sensory complaints.
Choice B reason: The optic nerve (II) governs vision, not smell, which is the olfactory nerve’s function (I). Assuming optic involvement misguides cranial nerve assessment, risking oversight of olfactory dysfunction, which may signal neurological conditions like Parkinson’s or trauma, requiring targeted evaluation and intervention in clinical practice.
Choice C reason: The olfactory nerve (I) is responsible for the sense of smell, transmitting sensory input from the nasal mucosa to the brain. Accurate identification ensures proper neurological assessment, detecting deficits that may indicate trauma, tumors, or neurodegenerative diseases, guiding diagnosis and treatment in patients with smell-related complaints.
Choice D reason: The vestibulocochlear nerve (VIII) controls hearing and balance, not smell, which is the olfactory nerve’s role (I). Misidentifying this risks incorrect assessment, potentially overlooking olfactory issues signaling neurological pathology, delaying diagnosis and management critical for addressing sensory deficits in clinical neurological evaluations.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: The epidermis is the most superficial skin layer, providing a protective barrier against pathogens and UV radiation. Composed of stratified squamous epithelium, it’s critical for skin integrity. Accurate identification guides wound care and assessments, ensuring proper management of superficial injuries or conditions like dermatitis in clinical practice.
Choice B reason: Adipose tissue is deep, within the subcutaneous layer, not superficial. The epidermis is the outermost layer. Misidentifying adipose risks misunderstanding skin anatomy, leading to errors in wound staging or treatment, potentially compromising care for superficial skin conditions requiring targeted interventions like topical therapies.
Choice C reason: The subcutaneous layer lies beneath the dermis, not superficially. The epidermis is the outermost layer. Assuming subcutaneous is superficial misguides skin assessments, risking incorrect wound care or misdiagnosis of skin conditions, critical for accurate treatment and prevention of complications in integumentary health.
Choice D reason: The dermis lies below the epidermis, containing blood vessels and nerves, not the most superficial layer. Misidentifying dermis risks errors in assessing skin injuries or conditions, potentially leading to inappropriate treatments. Recognizing the epidermis ensures proper care for superficial issues like burns or abrasions in clinical settings.
Correct Answer is D
Explanation
Choice A reason: Rebound tenderness in the right lower quadrant, often at McBurney’s point, is a hallmark of appendicitis, indicating peritoneal irritation from an inflamed appendix. This sign, elicited by releasing pressure during palpation, suggests localized inflammation, requiring urgent surgical evaluation to prevent rupture and peritonitis.
Choice B reason: Pancreatitis typically presents with epigastric or left upper quadrant pain, radiating to the back, not right lower quadrant rebound tenderness. It involves pancreatic inflammation, often due to gallstones or alcohol, and is assessed via serum amylase and lipase, not RLQ findings, making this incorrect.
Choice C reason: Cholecystitis causes right upper quadrant pain and tenderness, often with Murphy’s sign, due to gallbladder inflammation. Rebound tenderness in the right lower quadrant is not characteristic, as cholecystitis affects the upper abdomen, making this choice misaligned with the clinical finding.
Choice D reason: Diverticulitis typically causes left lower quadrant pain, as diverticula are common in the sigmoid colon. Right lower quadrant rebound tenderness is not a typical finding, as it suggests appendicitis instead, making this choice incorrect for the described gastrointestinal assessment finding.
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
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.