Blood pressure is highest in the: - Answers Arteries
Blood pressure is lowest in the: - Answers Veins
the lowest pressure is during ventricular diastole when the artery recoils no further; this value is
recorded as the - Answers diastolic pressure
the systolic blood pressure is the pressure in the vessel during - Answers ventricular contraction
when checking your pulse, you are feeling the rhythmic pulsations of ____ through your arteries -
Answers blood
The resistance of a fluid to its flow is called - Answers viscosity
blood pressure ________ when sympathetic innervation causes vasoconstriction of the arterioles -
Answers increases
the two main peripheral chemoreceptors are the ________ and ________ - Answers aortic bodies
carotid bodies
blood pressure in the venules is _____ mm Hg and almost _____ mm Hg by the time blood travels
through the inferior vena cava to the right atrium of the heart - Answers 20, 0
the ________ muscle pump enables veins located between muscles groups to be squeezed in order to
help pump blood toward the heart - Answers skeletal
True or false: changes in the blood pressure gradient are directly correlated with changes in total blood
flow - Answers true
the amount of friction the blood experiences as it travels through the blood vessels is called: - Answers
resistance
the term ________ resistance is typically used when discussing the resistance of blood in the blood
vessels - Answers peripheral
what factors would increase blood viscosity? - Answers increased erythrocytes
dehydration
_____ vessel length _____ resistance - Answers increasing, increases
True or false: if a person gains a large amount of body fat, the body must produce miles of additional
vessel length by angiogenesis - Answers True
, if vessel radius ________, relatively more blood flows near the edges and overall blood flow ________ -
Answers decreases, decreases
as the blood pressure gradient decreases, ______ ______ flow lessens - Answers total blood
A(n) ________ in cardiac output will decrease the blood pressure gradient - Answers decrease
the relatively high blood pressure on the arteriole end of the capillary accounts for - Answers filtration
blood pressure is influenced by three primary variables, which are ________, peripheral resistance and
________. - Answers cardiac output, blood volume
what factors would DECREASE blood viscosity? - Answers anemia
reduced erythrocytes
as the blood pressure gradient ________, total blood flow is ________ - Answers increases
greater
overweight people tend to have - Answers increased blood pressure
two major locations where baroreceptors are found include the aortic arch and the - Answers carotid
sinuses
which baroreceptors are more sensitive to blood pressure changes? - Answers carotid sinuses
the type of receptors that respond best to sudden, short-term changes in blood pressure, but are not
effective long-term or chronic blood pressure regulators are: - Answers baroreceptors
an increase in cardiac output, resistance or blood volume ________ blood pressure - Answers increases
the cardiac center and the vasomotor center are called the ________ center - Answers cardiovascular
the vasomotor center has ________ axons that extend from it to the blood vessels - Answers only
sympathetic
more blood vessesl are stimulated to ________ more than ________ because blood vessels contain
more ________ receptors than _______ receptors - Answers vasoconstrict
vasodilate
alpha
beta
redistribution of blood flow, due to sympathetic stimulation, increases blood flow to which organs? -
Answers skeletal muscle