Study Guide: Circulation of Blood

Description

Study Guide: Circulation of Blood
Alexandra Bozan
Quiz by Alexandra Bozan, updated more than 1 year ago
Alexandra Bozan
Created by Alexandra Bozan almost 8 years ago
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Resource summary

Question 1

Question
The term used to describe a collection of mechanisms that influence the active and changing circulation blood is
Answer
  • perfusion
  • cardiac output
  • stroke volume
  • hemodynamics

Question 2

Question
Blood flows because of
Answer
  • a pressure gradient
  • Fick's formula
  • inotropic factors
  • the ejection fraction

Question 3

Question
Determining the cardiac output is usually accomplished by
Answer
  • using Fick's formula
  • using Starling's law
  • calculating SV X CR = CO
  • using Poiseuille's law

Question 4

Question
Which of the following has the ability to alter heart rate
Answer
  • chonotropic factors
  • baroreceptors
  • carotid sinus reflex
  • all of the above

Question 5

Question
A change in heart rate or stroke volume does not always change the heart's output, the amount of blood in the arteries, or the blood pressure
Answer
  • True
  • False

Question 6

Question
If blood pressure within the aorta or carotid sinus suddenly increases beyond the set point, the control center will increase vagal inhibition and return the blood pressure to normal.
Answer
  • True
  • False

Question 7

Question
The amount that the CO can increase above the resting value is called the inotropic factor.
Answer
  • True
  • False

Question 8

Question
The ejection fraction is related to the stroke volume
Answer
  • True
  • False

Question 9

Question
Peripheral resistance in arteries determines arterial blood pressure
Answer
  • True
  • False

Question 10

Question
[blank_start]Viscocity[blank_end]: thickness of blood [blank_start]Vasoconstriction[blank_end]: reduction in vessel diameter [blank_start]Perfusion[blank_end]: flow through [blank_start]Cardiac Output[blank_end]: amount of blood that flows out of a ventricle of the heart per unit of time [blank_start]Hypoxia[blank_end]: deficiency of blood oxygen [blank_start]Ischemic[blank_end]: inadequate blood supply [blank_start]Active hyperemia[blank_end]: local vasolidation [blank_start]Contractility[blank_end]: the ability of a muscle cell to shorten to product movement [blank_start]Hypercapnia[blank_end]: excess carbon dioxide [blank_start]Vasometer pressure flex[blank_end]: inititiated by a change in arterial blood pressure
Answer
  • Viscocity
  • vasoconstriction
  • cardiac output
  • hypoxia
  • vasomotor pressure flex
  • hypercapnia
  • active hypermia
  • ischemic
  • perfusion
  • contractility
  • Vasoconstriction
  • contractility
  • perfusion
  • ischemic
  • active hypermia
  • hypercapnia
  • hypoxia
  • vasomotor pressure flex
  • viscocity
  • cardiac output
  • Perfusion
  • cardiac output
  • vasoconstriction
  • viscocity
  • vasomotor pressure flex
  • hypoxia
  • hypercapnia
  • active hypermia
  • ischemic
  • contractility
  • Cardiac Output
  • vasoconstriction
  • viscocity
  • vasomotor pressure flex
  • hypoxia
  • hypercapnia
  • active hypermia
  • ischemic
  • perfusion
  • contractility
  • Hypoxia
  • vasoconstriction
  • cardiac output
  • viscocity
  • vasomotor pressure flex
  • hypercapnia
  • active hypermia
  • ischemic
  • perfusion
  • contractility
  • Ischemic
  • contractility
  • perfusion
  • active hypermia
  • hypercapnia
  • hypoxia
  • vasomotor pressure flex
  • viscocity
  • cardiac output
  • vasoconstriction
  • Active hyperemia
  • vasoconstriction
  • cardiac output
  • viscocity
  • vasomotor pressure flex
  • hypoxia
  • hypercapnia
  • ischemic
  • perfusion
  • contractility
  • Contractility
  • perfusion
  • ischemic
  • active hypermia
  • hypercapnia
  • hypoxia
  • vasomotor pressure flex
  • viscocity
  • cardiac output
  • vasoconstriction
  • Hypercapnia
  • vasoconstriction
  • cardiac output
  • viscocity
  • vasomotor pressure flex
  • hypoxia
  • active hypermia
  • ischemic
  • perfusion
  • contractility
  • Vasometer pressure flex
  • vasoconstriction
  • cardiac output
  • viscocity
  • hypoxia
  • hypercapnia
  • active hypermia
  • ischemic
  • perfusion
  • contractility

Question 11

Question
The ability of blood vessels to expand and adapt to higher pressure and maintain normal flow is called the [blank_start]stress[blank_end] [blank_start]relaxation[blank_end] [blank_start]effect[blank_end].
Answer
  • stress
  • relaxation
  • effect

Question 12

Question
Increased respirations and increased [blank_start]circulation[blank_end] tend to coincide.
Answer
  • circulation

Question 13

Question
[blank_start]Capillary[blank_end] [blank_start]exchange[blank_end] is the exchange of materials between plasma in the capillaries and the surrounding interstitial fluid of the systemic tissues.
Answer
  • Capillary
  • exchange

Question 14

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[blank_start]Osmotic[blank_end] [blank_start]pressure[blank_end] tends to promote diffusion of fluid into the plasma.
Answer
  • Osmotic
  • pressure

Question 15

Question
The more ADH that is secreted, the more water will be [blank_start]extracted[blank_end] into the blood from the urine and the greater the blood plasma volume will become.
Answer
  • extracted

Question 16

Question
[blank_start]Renin[blank_end] [blank_start]Angiotensin[blank_end] [blank_start]Aldosterone[blank_end] [blank_start]System[blank_end] of aldosterone secretion changes blood plasma volume.
Answer
  • Renin
  • Angiotensin
  • Aldosterone
  • System

Question 17

Question
[blank_start]ANH[blank_end] is secreted by specialized cells in the atrial wall in response to overstretching.
Answer
  • ANH

Question 18

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[blank_start]Hypertension[blank_end] is high blood pressure.
Answer
  • Hypertension

Question 19

Question
The diastolic blood pressure is
Answer
  • the heart contracting
  • the heart relaxing
  • the pressure in the atria
  • the pressure in the ventricles

Question 20

Question
With a blood pressure of 120/80, the number 80 indicates
Answer
  • the diastolic reading
  • they systolic reading
  • the Korotkoff sounds
  • the ejection phase

Question 21

Question
The mean arterial pressure MAP for a BP of 130/90 is
Answer
  • 90
  • 93
  • 100
  • 103

Question 22

Question
[blank_start]Sphygomomanometer[blank_end] is the apparatus used to measure blood pressure.
Answer
  • Sphygmomanometer

Question 23

Question
If blood gushes forth in spurts with considerable force, you have most likely cut an [blank_start]artery[blank_end].
Answer
  • artery

Question 24

Question
The pressure points can be used to stop [blank_start]arterial[blank_end] bleeding.
Answer
  • arterial

Question 25

Question
Starling's law of the heart states that
Answer
  • blood flows from areas of high pressure to areas of low pressure
  • the volume of blood ejected from the ventricle is constant
  • the more stretched the heart fibers are at the beginning of a contraction, the stronger is their contraction
  • average heart rate is 72 beats per minute

Question 26

Question
The vagus nerve is said to act as a [blank_start]brake[blank_end] on the heart.
Answer
  • brake
  • temperature monitor
  • positive feedback loop
  • ejection mechanism

Question 27

Question
Under normal conditions, blood viscosity changes
Answer
  • frequently
  • during hemorrhage only
  • under stress
  • very little

Question 28

Question
The popliteal pulse point is found
Answer
  • at the bend of the elbow
  • on the dorsum of the foot
  • behind the knee
  • behind the medial amlleolus

Question 29

Question
Peripheal resistance is primarily affected by
Answer
  • the length of myocardial fibers
  • blood viscocity and the diameter of arterioles
  • the capacity of the blood reservoirs
  • the elasticity of the heart

Question 30

Question
Septic shock is caused by
Answer
  • complications of toxins in the blood
  • a nerve condition
  • a drop in blood pressure
  • blood vessel dilation

Question 31

Question
Hypovolemic shock is caused by
Answer
  • heart failure
  • dilated blood vessels
  • a loss in blood volume
  • a severe allergic reaction

Question 32

Question
The shift of the blood reservoir to the veins in the legs when standing is called the
Answer
  • orthostatic effect
  • total peripheral resistance effect
  • vasomotor mechanism
  • medullary ischemic reflex

Question 33

Question
Fick's formula is used to determining
Answer
  • stroke volume
  • cardiac output
  • cardiac reserve
  • ejection fraction

Question 34

Question
The minute volume is equal to the
Answer
  • the pressure gradient divided by the resistance
  • mean arterial pressure divided by the cardiac output
  • cardiac output divided by the ejection fraction
  • cardiac output divided by the cardiac reserve

Question 35

Question
The chief determinant of arterial blood pressure is the [blank_start]volume[blank_end] of blood in the arteries.
Answer
  • volume

Question 36

Question
Factors that affect the strength of myocardial contraction and, therefore, stroke volume are [blank_start]inotropic[blank_end] factors.
Answer
  • inotropic

Question 37

Question
Starling's law of the heart states that within limits, the longer, or more stretched, the heart fibers art the beginning of contraction, the [blank_start]stronger[blank_end] is their contraction.
Answer
  • stronger

Question 38

Question
The [blank_start]ejection[blank_end] [blank_start]fraction[blank_end] is the ratio of the stroke volume to the end-diastolic volume (EDV).
Answer
  • ejection
  • fraction

Question 39

Question
The pumping work that the heart must do to push blood into the arteries is known as [blank_start]cardiac[blank_end] [blank_start]afterload[blank_end].
Answer
  • cardiac
  • afterload

Question 40

Question
The hormone most known as a heart accelerator is [blank_start]epinephrine[blank_end].
Answer
  • epinephrine

Question 41

Question
During exercise blood from reservoirs is redistributed to more active structures such as [blank_start]skeletal[blank_end] muscles and the heart.
Answer
  • skeletal

Question 42

Question
The blood vessel commonly used to perform blood pressure readings is the [blank_start]brachial[blank_end] [blank_start]artery[blank_end].
Answer
  • brachial
  • artery

Question 43

Question
The sounds made during the measurement of a blood pressure are called [blank_start]Korotkoff[blank_end] [blank_start]sound[blank_end].
Answer
  • Korotkoff
  • sound

Question 44

Question
Blood flows most rapidly in the [blank_start]arteries[blank_end] and most slowly in the [blank_start]capillaries[blank_end].
Answer
  • arteries
  • capillaries
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