Which of the following conditions is caused by overuse or overstretching?
A) strain
B) muscular dystrophy
C) ganglion cyst
D) fibromyalgia
Answer: A) strain
Explanation: A strain is caused by overuse or overstretching. Muscular dystrophy is an inherited disease. A ganglion cyst is a cyst that forms on a tendon sheath. Fibromyalgia is a condition with widespread aching and pain in the muscles and soft tissue.
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Which of the following BEST explains the timing of the classical pathway of complement fixation, relative to the other pathways of complement fixation, against a pathogen in an individual who has never been exposed to said pathogen?
A. No target for C1qrs exists on the surface of the pathogen in the earliest stages of the response to it. B. The chemical environment of the pathogen's surface favors the spontaneous activation of soluble C3 immediately upon exposure to the pathogen. C. C1qrs immediately recognizes carbohydrate antigens on the surface of the pathogen, allowing for rapid formation of the C4b2a C3 convertase. D. The pathogen expresses one or more factors on its surface that act as negative regulators of C3 convertase formation. E. None of the above
When a patient is HIV positive and the CD4+ lymphocyte count falls below 200/ uL, what does
this mean? A) The patient meets the CD4 count diagnostic criterion for AIDS. B) The patient is extremely vulnerable to opportunistic infections. C) Prophylactic antibiotics should be started. D) All of the above.
Chronic fatigue syndrome seems to combine both autoimmune and immunodeficiency disorders, but its actual cause is unknown to the medical community.
Answer the following statement true (T) or false (F)
Excessive amounts of sugar in the blood is called:
A) hypoglycemia. B) hypercapnia. C) hypercalcemia. D) hyperglycemia.