Study Guide: Circulation of Blood

Beschreibung

Study Guide: Circulation of Blood
Alexandra Bozan
Quiz von Alexandra Bozan, aktualisiert more than 1 year ago
Alexandra Bozan
Erstellt von Alexandra Bozan vor fast 8 Jahre
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Zusammenfassung der Ressource

Frage 1

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

Frage 2

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

Frage 3

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

Frage 4

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

Frage 5

Frage
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
Antworten
  • True
  • False

Frage 6

Frage
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.
Antworten
  • True
  • False

Frage 7

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

Frage 8

Frage
The ejection fraction is related to the stroke volume
Antworten
  • True
  • False

Frage 9

Frage
Peripheral resistance in arteries determines arterial blood pressure
Antworten
  • True
  • False

Frage 10

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[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
Antworten
  • 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

Frage 11

Frage
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].
Antworten
  • stress
  • relaxation
  • effect

Frage 12

Frage
Increased respirations and increased [blank_start]circulation[blank_end] tend to coincide.
Antworten
  • circulation

Frage 13

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[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.
Antworten
  • Capillary
  • exchange

Frage 14

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

Frage 15

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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.
Antworten
  • extracted

Frage 16

Frage
[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.
Antworten
  • Renin
  • Angiotensin
  • Aldosterone
  • System

Frage 17

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

Frage 18

Frage
[blank_start]Hypertension[blank_end] is high blood pressure.
Antworten
  • Hypertension

Frage 19

Frage
The diastolic blood pressure is
Antworten
  • the heart contracting
  • the heart relaxing
  • the pressure in the atria
  • the pressure in the ventricles

Frage 20

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

Frage 21

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

Frage 22

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

Frage 23

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

Frage 24

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

Frage 25

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Starling's law of the heart states that
Antworten
  • 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

Frage 26

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

Frage 27

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

Frage 28

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

Frage 29

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

Frage 30

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

Frage 31

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

Frage 32

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

Frage 33

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

Frage 34

Frage
The minute volume is equal to the
Antworten
  • 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

Frage 35

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

Frage 36

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

Frage 37

Frage
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.
Antworten
  • stronger

Frage 38

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

Frage 39

Frage
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].
Antworten
  • cardiac
  • afterload

Frage 40

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

Frage 41

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

Frage 42

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

Frage 43

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

Frage 44

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