Study Guide: Circulation of Blood

Descripción

Study Guide: Circulation of Blood
Alexandra Bozan
Test por Alexandra Bozan, actualizado hace más de 1 año
Alexandra Bozan
Creado por Alexandra Bozan hace alrededor de 8 años
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

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

Pregunta 3

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

Pregunta 4

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

Pregunta 5

Pregunta
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
Respuesta
  • True
  • False

Pregunta 6

Pregunta
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.
Respuesta
  • True
  • False

Pregunta 7

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

Pregunta 8

Pregunta
The ejection fraction is related to the stroke volume
Respuesta
  • True
  • False

Pregunta 9

Pregunta
Peripheral resistance in arteries determines arterial blood pressure
Respuesta
  • True
  • False

Pregunta 10

Pregunta
[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
Respuesta
  • 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

Pregunta 11

Pregunta
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].
Respuesta
  • stress
  • relaxation
  • effect

Pregunta 12

Pregunta
Increased respirations and increased [blank_start]circulation[blank_end] tend to coincide.
Respuesta
  • circulation

Pregunta 13

Pregunta
[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.
Respuesta
  • Capillary
  • exchange

Pregunta 14

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

Pregunta 15

Pregunta
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.
Respuesta
  • extracted

Pregunta 16

Pregunta
[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.
Respuesta
  • Renin
  • Angiotensin
  • Aldosterone
  • System

Pregunta 17

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

Pregunta 18

Pregunta
[blank_start]Hypertension[blank_end] is high blood pressure.
Respuesta
  • Hypertension

Pregunta 19

Pregunta
The diastolic blood pressure is
Respuesta
  • the heart contracting
  • the heart relaxing
  • the pressure in the atria
  • the pressure in the ventricles

Pregunta 20

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

Pregunta 21

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

Pregunta 22

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

Pregunta 23

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

Pregunta 24

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

Pregunta 25

Pregunta
Starling's law of the heart states that
Respuesta
  • 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

Pregunta 26

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

Pregunta 27

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

Pregunta 28

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

Pregunta 29

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

Pregunta 30

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

Pregunta 31

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

Pregunta 32

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

Pregunta 33

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

Pregunta 34

Pregunta
The minute volume is equal to the
Respuesta
  • 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

Pregunta 35

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

Pregunta 36

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

Pregunta 37

Pregunta
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.
Respuesta
  • stronger

Pregunta 38

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

Pregunta 39

Pregunta
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].
Respuesta
  • cardiac
  • afterload

Pregunta 40

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

Pregunta 41

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

Pregunta 42

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

Pregunta 43

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

Pregunta 44

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