Vascular Physio [Compatibility Mode] References Mailings Review View Name Unit 8
ID: 3521955 • Letter: V
Question
Vascular Physio [Compatibility Mode] References Mailings Review View Name Unit 8-10 points 1. (4 pts) Indicate the expected blood pressure consequence in response to each of these Vascular physiology situations: Use 1-increase, D= decrease, or U-unchanged A significant blood loss Sympathetic innervation Increased blood viscosity Decreased blood vessel length Increased peripheral resistance Atrial natriuretic peptide (ANP) Smoking Advanced age 2. pt) Explain the equation: F AP/R This equation is what describes flow of fluid throughout a tube, where there is a pressure difference with the two ends. The rate of flow for fluid in a tube will initially increase if the pressure increases but as the pressure balances out it will stay the same. 3(1 p) What component of the wall of a blood vessel changes to adjust diameter? 4 (1 pts)Define peripheral resistance: Iti friction t English (US)Explanation / Answer
1.
A significant blood loss:decreses BP
Sympathetic innervation:increases BP
Increased blood viscosity:increases BP
Decreased blood vessel length:increases BP
Increased peripheral resistance:increases BP
Atrial natriuretic peptide:decreases BP
Smoking:increases BP
Advanced age:increases BP
3.tunica media which is middle layer of vessels mainly responsible for contraction or relaxation. It mainly contains smooth muscle.stimulation either causes contraction or dilation.
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