A patient has recently been diagnosed with multiple sclerosis. Which response best explains the etiology of multiple sclerosis (MS)?

The disease is prevalent in certain geographical locations.

There is a well-defined genetic cause.

Inflammatory processes are responsible for the signs and symptoms.

Ischemic lesions in the brain are responsible for the signs and symptoms.

Answer and Explanation

The Correct Answer is C

A. The disease is prevalent in certain geographical locations: This statement is true but does not explain the etiology of MS. Geographic prevalence does not address the underlying cause.

B. There is a well-defined genetic cause: While genetics may play a role in MS, there is no single well-defined genetic cause for the disease.

C. Inflammatory processes are responsible for the signs and symptoms: MS is an autoimmune disease characterized by inflammation and demyelination of the central nervous system, leading to the signs and symptoms of the disease.

D. Ischemic lesions in the brain are responsible for the signs and symptoms: MS is primarily caused by demyelination rather than ischemic lesions.

Nursing Test Bank

Test Bank #1: RN Pharmacology Exams Test Bank #2: RN Medical-Surgical Exams Test Bank #3: RN Fundamentals Exams Test Bank #4: RN Maternal-Newborn Exams Test Bank #5: RN Anatomy and Physiology Exams Test Bank #6: RN Obstetrics and Pediatrics Exams Test Bank #7: RN Fluid and Electrolytes Exams Test Bank #9: RN Adult Health Test Bank #10: RN Dosage Calculation Test Bank #11: RN Community Health Exams Test Bank #12: RN Psychology Exams Test Bank #13: RN Nursing Care Of Children Test Bank #14: RN Foundations of Nursing Exams

Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Exam #1: RN Comprehensive predictor 2023 proctored exam Exam #2: Ati rn vati comprehensive predictor proctored exam Exam #3: Ati Rn Comprehensive Predictor Proctored Exam 2023 Exam #4: Rn Comprehensive Predictor 2023 Proctored Exam - St. Joseph Exam #5: RN Comprehensive Predictor Proctored Exam (National U CA San Diego) Exam #6: Ati rn comprehensive predictor 2023 retake proctored exam Exam #7: RN Hesi Exit Proctored Exam Exam #8: Hesi RN Exit proctored exam Exam #9: Hesi rn exit proctored exam Exam #10: Hesi Rn compass exit B proctored exam

Free Nursing Study Resources

Correct Answer is B

Explanation

A. High unconjugated, low direct: In liver disease, both conjugated (direct) and unconjugated bilirubin levels are typically elevated.

B. High conjugated, high direct: In cirrhosis and alcoholic liver disease, the liver's ability to process bilirubin is impaired, leading to elevated levels of both conjugated (direct) and unconjugated bilirubin, causing jaundice.

C. High direct, high unconjugated: Both direct (conjugated) and unconjugated bilirubin levels are elevated, but this does not clarify the direct relationship with jaundice.

D. Low indirect, normal unconjugated: In liver disease, bilirubin levels are elevated, not low or normal.

A. A sudden, explosive, disorderly charge of neurons causes a transient aberration in brain function B. Loss of the myelin sheath surrounding peripheral nerves causes asymmetric weakness C. Destruction of acetylcholine receptors causes muscle weakness with prolonged activity. D. A bacterial inflammatory illness that causes headache and photophobia.

Correct Answer is C

Explanation

A. A sudden, explosive, disorderly charge of neurons causes a transient aberration in brain function: This describes the pathophysiology of seizures, not myasthenia gravis.

B. Loss of the myelin sheath surrounding peripheral nerves causes asymmetric weakness: This describes multiple sclerosis, not myasthenia gravis.

C. Destruction of acetylcholine receptors causes muscle weakness with prolonged activity: Myasthenia gravis is an autoimmune disease where antibodies attack acetylcholine receptors at the neuromuscular junction, leading to muscle weakness, especially after repeated use.

D. A bacterial inflammatory illness that causes headache and photophobia: This describes meningitis, not myasthenia gravis.

View Question and Answer

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

A patient has recently been diagnosed with multiple sclerosis. Which response best explains the etiology of multiple sclerosis (MS)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A man, diagnosed with alcoholic liver disease and cirrhosis, presents to his healthcare provider for treatment. The nurse notes that his skin and sclera are jaundiced. While reviewing his laboratory data, the nurse should expect to find a serum bilirubin level and a serum bilirubin level.

Correct Answer is B

Explanation

Which response best connects the pathology of myasthenia gravis with its signs and symptoms (S&S)?

Correct Answer is C

Explanation

A patient, diagnosed with Addison's disease, is admitted to the emergency department (ED) after spending the day at the lake. The patient is diaphoretic, weak and forgetful. Which intervention would be supportive for these S&S (signs and symptoms)?

During a workshop, a pathophysiology instructor is teaching a group of students about hypothyroidism. Which statement identifies why hypothyroidism is rarely seen in the U.S. (United States)?

A patient is admitted to the ED (emergency department) with an intracranial problem. Upon arrival the RN (registered nurse) immediately ensures that the head of the bed is elevated at 35 degrees. Identify the pathophysiological rational for this intervention?

Which manifestations (S&S) alert the nurse to the possibility of pancreatitis in the patient who has elevated serum amylase and lipase levels?

Which assessment findings are expected in a patient experiencing a left hemispheric brain attack?

A patient is diagnosed with Hashimoto's thyroiditis. Which clinical manifestations are expected?

A patient has been prescribed antacids and an antibiotic to eradicate Helicobacter pylori. The diagnosis is most likely