Which response best connects the pathology of myasthenia gravis with its signs and symptoms (S&S)?
A sudden, explosive, disorderly charge of neurons causes a transient aberration in brain function
Loss of the myelin sheath surrounding peripheral nerves causes asymmetric weakness
Destruction of acetylcholine receptors causes muscle weakness with prolonged activity.
A bacterial inflammatory illness that causes headache and photophobia.
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. An increased serum calcitonin level: Calcitonin is involved in lowering blood calcium levels, so increased levels would not indicate hypercalcemia but rather a compensatory mechanism to lower calcium.
B. An increased number of osteocytes: Osteocytes are bone cells, and their number is not a direct indicator of hypercalcemia. Osteoclasts and osteoblasts are more relevant to bone metabolism.
C. Elevated plasma magnesium levels: Elevated magnesium levels are not specifically indicative of hypercalcemia and can be related to other conditions.
D. An increased parathyroid hormone (PTH) level: Hypercalcemia can be associated with increased PTH levels, particularly in primary hyperparathyroidism. Elevated PTH can lead to increased calcium release from bones.
Correct Answer is C
Explanation
A. Appendicitis: Appendicitis typically presents with right lower quadrant pain, not LLQ pain.
B. Barrett's esophagus: Barrett's esophagus is a condition associated with chronic GERD and does not cause leukocytosis, fever, or LLQ pain.
C. Diverticulitis: Diverticulitis often presents with LLQ pain, fever, and leukocytosis due to inflammation or infection of the diverticula in the colon.
D. Irritable bowel syndrome (IBS): IBS may cause abdominal pain, but it does not cause fever or leukocytosis, and the pain is typically relieved with defecation and not localized to the LLQ.
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.