14-15 (201505]- Taken:20:14:44 Rasheeda Ansari: Attempt 1 Sensory nerve endings

Question

14-15 (201505]- Taken:20:14:44 Rasheeda Ansari: Attempt 1 Sensory nerve endings in the carotid bodies of the carotid arteries are rich in vaa he carotid arteries supply blood to the brain and are locatedbiateraly in te Part 1: If you stimulate the carotid bodies, what branch of the ANS would be stimulbtede pt) Part 2: If the vagal fibers are stimulated, how would this affect the heart rate? Why 12 pt Part 3: Some parents decide to throw their children into a pool to teach them how to swim For a number of reasons this may not be the best method to teach splashed in the face with cold water (

Explanation / Answer

part 1 -Sympathetic branch of ANS would be stimulated ,if you stimulate the carotid bodies.

part2 -If the vagal fibers are stimulated , heart rate can be increased or decrease depending on the left / right vagal fiber stimulation .This is beacuse of the relex connection of the vagal nerves to the vasomotor which is much more sensitive to the mechanical stimuli .

part-3-Diving reflex and stimualtion of carotid body is same processes and both results in to the bradycardia. This process occurs by activation of sympathetic dependent tachycardia which progresses to the parasympathetically mediated bradycardia.

Part-4-Blood pressure will be increased due to sympathetic nerve activation in cold pressor test .

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