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Which of the following is true Select one: a. Vasomotor syncope may occur when you lie down...

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Medical Sciences

Which of the following is true

Select one:

a. Vasomotor syncope may occur when you lie down after standingup for a long time

b. Vasomotor syncope is caused by increased venous return, whichcauses excessive stimulation of the baroreceptor reflex

c. Vasovagal syncope occurs in response to a disturbingsituation that causes over-stimulation of the SNS

d. Contraction of the lower leg muscles helps to preventvasomotor syncope because it increases the pressure gradient fromthe peripheral veins to the right atrium

Answer & Explanation Solved by verified expert
3.9 Ratings (370 Votes)
Question Which of the following is true Select one Answer d Contraction of lower leg muscles helps to prevent vasomotor syncope because it increases the pressure gradient from the peripheral veins to the right atrium Explanation Syncope is sudden loss of consciousness for a brief duration of time due to decreased blood supply to the brain It is not associated with any neurological deficit This transient decrease in the blood supply to the brain is due to sudden fall in the blood pressure Contraction of lower leg muscles like gastrocnemius and soleus calf muscles during locomotor activities like    See Answer
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