BloodFlowImages2

BloodFlowImages2 - Controlling MAP Why do we need to...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Controlling MAP Why do we need to control it? • Short term • Long term
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
• Vasomotor • Cardioinhibitory • Cardioacceleratory Brain Centers for Short Term MAP Control
Background image of page 2
Increased vasomotor center activity __creased sympathetic output to arterioles Vaso__________ __creased peripheral resistance __creased blood pressure What about a decrease in vasomotor activity?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Increased cardioacceleratory center activity __creased sympathetic output to heart __creased heart rate and stroke volume __creased cardiac output __creased blood pressure What about a decrease in cardioacceleratory activity?
Background image of page 4
Increased cardioinhibitory center activity __creased parasympathetic output to heart __creased heart rate __creased cardiac output __creased blood pressure What about a decrease in cardioacceleratory activity?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Baroreceptor Reflex
Background image of page 6
Baroreceptor Reflex • Baroreceptors signals the cardiac and vasomotor centers via CN IX and X. • Frequency of these impulses is proportional to MAP. • Cardiac and vasomotor centers adjust their output accordingly.
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
MAP rises MAP falls
Background image of page 8
Demonstrating the Baroreceptor Reflex • Take the subject’s radial pulse.
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/10/2011 for the course LS 101 taught by Professor Abdul during the Spring '11 term at Montgomery College.

Page1 / 35

BloodFlowImages2 - Controlling MAP Why do we need to...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online