Myasthenia gravis is characterized by what extreme symptom?
a. inability to breath
b. inability to think
c. muscle twitching
d. muscular weakness
e. explosive diarrhea
d
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A long-distance runner is about to enter a 5-mile race. Beforehand, he spends several minutes warming up. During the warm-up period, the phenomenon of treppe is occurring in body muscles being used. What is treppe and why does it occur?
What will be an ideal response?
Between meals, alpha (?) cells in the pancreatic islets secrete ________, which ________ blood glucose.
A. insulin; raises B. insulin; lowers C. glucocorticoids; raises D. glucagon; lowers E. glucagon; raises
A sharp object penetrated a synovial joint. From the following list of structures, select the order in which they were penetrated.(1) Tendon or muscle(2) Ligament(3) Fibrous capsule(4) Skin(5) Synovial membrane
A. 4, 5, 1, 2, 3 B. 4, 3, 2, 5, 1 C. 4, 1, 2, 5, 3 D. 4, 1, 2, 3, 5 E. 4, 2, 1, 5, 3
Name the air-filled spaces lined by mucous membranes found within flat and irregular bones.
A. Short bone B. Medullary cavities C. Foramina D. Sinuses