MN551 UNIT 9 PATHO EXAM QUESTIONS AND ANSWERS 2025/2026

MN551 UNIT 9 PATHO EXAM QUESTIONS AND ANSWERS 2025/2026 A 22-year-old female college student is shocked to receive a diagnosis of myasthenia gravis. What are the etiology and most likely treatment for her health problem? - Answer -Excess acetylcholinesterase production; treatment with thymectomy Cerebellar lesions; surgical and immunosuppressive treatment ******A shortage of acetylcholine receptors; treatment with corticosteroids and intravenous immunoglobulins Autoimmune destruction of skeletal muscle cells; treatment with intensive physical therapy and anabolic steroids Which of the following statements most accurately characterizes an aspect of the neurobiology of sleep? - Answer -Input from the retinas is interpreted by the cerebellum and contributes to maintenance of the circadian rhythm.********The reticular formation, thalamus, and cerebral cortex interact to integrate the sleep-wake cycle. The pituitary releases melatonin at predictable points in the circadian rhythm in order to facilitate sleep. The hypothalamus stimulates the anterior and posterior pituitary to modulate sleeping-waking cycles. After surviving an ischemic stroke, a 79-year-old male has demonstrated significant changes in hi