A ________ is caused by disruption of blood flow to a portion of the brain due to either hemorrhage or blood clot.
A. cerebrovascular accident
B. concussion
C. traumatic brain injury
D. commissure
Answer: A
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The vagina is lined by (a)
A) simple ciliated columnar epithelium. B) simple cuboidal epithelium. C) transitional epithelium. D) stratified squamous epithelium. E) None of the answers are correct.
In which of the following would you detect a weak pulse?
A. Fluid excess B. Increased stroke volume C. A healthy young person D. Hemorrhagic shock E. Hypertension
Connective tissue is the most common tissue.
Answer the following statement true (T) or false (F)
Doctors suggest that during long periods of sitting, you should flex and extend your feet at the ankles periodically and squeeze your calf muscles to assist with blood circulation. Why would non-exercise muscle contraction affect blood flow and cardiovascular health?
A. Contraction of muscles stimulates the arteries to vasodilate, reducing blood pressure. B. Contraction of the leg muscles stimulates baroreceptors to signal the autonomic nervous system and decrease blood pressure and heart rate from multiple fronts. C. Contraction of muscles itself increases heart rate and burns calories, keeping the heart strong and assisting in maintaining healthy weight. D. Contraction of the leg muscles squeezes leg veins, which functions as a pumping mechanism to return deoxygenated blood to the heart.