Which is NOT an example of an autoimmune disease?
A. AIDS
B. multiple sclerosis
C. myasthenia gravis
D. rheumatoid arthritis
E. type 1 diabetes mellitus
A
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The peripheral chemoreceptors are not activated during carbon monoxide poisoning despite the fact that the total O2 content in the blood can become lethally low
Indicate whether the statement is true or false
Parasympathetic stimulation
A) increases heart rate. B) increases gastric motility. C) causes sweat glands to secrete. D) causes blood vessels in the skin to dilate. E) causes the pupils to dilate.
The structure in the fetus that allows the blood to bypass the lungs is the:
a. ductus venosus b. ductus arteriosus c. foramen ovale d. both B and C above
Which structure collects venous blood and cerebrospinal fluid?
A) Cerebral aqueduct B) Fourth ventricle C) Superior sagittal sinus D) Arachnoid villus