27.A drop in aterial pressure after a hemmorhage will be restored by sympathetic dilation of veins, resulting in increase blood flow into the arteries parasympathetic dilation of veins, resulting in decrease blood flow into the arteries sympathetic constriction of veins, resulting in increase blood flow into the arteries parasympathetic constriction of veins, resulting in increase blood flow into the arteries

Answered: drop in aterial pressure after a…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

27.

A drop in aterial pressure after a hemmorhage will be restored by

		sympathetic dilation of veins, resulting in increase blood flow into the arteries
		parasympathetic dilation of veins, resulting in decrease blood flow into the arteries
		sympathetic constriction of veins, resulting in increase blood flow into the arteries
		parasympathetic constriction of veins, resulting in increase blood flow into the arteries

Expert Solution

Step 1

An haemorrhage causes blood loss that decrease the blood volume. Finally this causes the decreased cardiac output and thus decreased blood pressure too.