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Klesath BIO 245 Blood vessels Test 2 Questions and Correct Answers/ Latest Update / Already Graded

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Klesath BIO 245 Blood vessels Test 2 Questions and Correct Answers/ Latest Update / Already Graded

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Institution Klesath BIO 245 Blood Vessels

Course Klesath BIO 245 Blood vessels

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Aneurysm Ans: part of arterial wall thins and balloons out making the wall prone to rupture Athersclerosis Ans: "Hardening" of the arteries (elastic and muscular) results from plaques which thicken the interior walls and narrow the lumen Myogenic response Ans: smooth muscle in artery/arteriole wall responds to changes in blood pressure to keep local flow relatively constant Vasoconstriction Ans: Increased MP Vasodilation Page | 2 All rights reserved © 2025/ 2026 | Ans: decreased BP Vasodilators Ans: dilate arterioles and relax precapillary sphincters -increase flow into capillary beds -increase in carbon dioxide, body temperature, nitric oxide, ADP Vasoconstrictors Ans: constrict arterioles and cause contraction of precapillary sphincters -decrease flow into capillary beds -increase in oxygen

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Page |1

Klesath BIO 245 Blood vessels Test 2
Questions and Correct Answers/ Latest
Update / Already Graded
Aneurysm

Ans: part of arterial wall thins and balloons out making the wall
prone to rupture

Athersclerosis

Ans: "Hardening" of the arteries (elastic and muscular) results
from plaques which thicken the interior walls and narrow the
lumen

Myogenic response

Ans: smooth muscle in artery/arteriole wall responds to
changes in blood pressure to keep local flow relatively constant

Vasoconstriction

Ans: Increased MP

Vasodilation

All rights reserved © 2025/ 2026 |

, Page |2

Ans: decreased BP

Vasodilators

Ans: dilate arterioles and relax precapillary sphincters
-increase flow into capillary beds
-increase in carbon dioxide, body temperature, nitric oxide,
ADP

Vasoconstrictors

Ans: constrict arterioles and cause contraction of precapillary
sphincters
-decrease flow into capillary beds
-increase in oxygen, sympathetic tone, Angiotensin II, ADH

Blood Pressure

Ans: is the force of blood against vessel wall

Mean Arterial Pressure (MAP)

Ans: is the average arterial blood pressure across the entire
cardiac cycle in which the diastole lasts longer
=diastolic pressure +1/3 pulse pressure

All rights reserved © 2025/ 2026 |

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Uploaded on: December 12, 2025
Number of pages: 6
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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