Study Guide: The Heart

Descripción

Study Guide: The Heart
Alexandra Bozan
Test por Alexandra Bozan, actualizado hace más de 1 año
Alexandra Bozan
Creado por Alexandra Bozan hace casi 8 años
40
1

Resumen del Recurso

Pregunta 1

Pregunta
The visceral pericardium is found
Respuesta
  • inside the fibrous pericardium
  • adhering to the surface of the heart
  • lining the inside of the chambers of the heart
  • comprising the bulk of the heart tissue

Pregunta 2

Pregunta
The correct layers of the heart, from superficial to deep, are
Respuesta
  • myocardium, pericardium, endocardium
  • epicardium, myocardium, pericardium
  • epicardium, myocardium, endocardium
  • endocardium, myocardium, epicardium

Pregunta 3

Pregunta
The atrioventricular valves are also called
Respuesta
  • cuspid valves
  • semilunar valves
  • aortic valves
  • pulmonary valves

Pregunta 4

Pregunta
Semilunar valves prevent backflow of blood into the
Respuesta
  • atria
  • lungs
  • vena cava
  • ventricles

Pregunta 5

Pregunta
The most abundant blood supply goes to the
Respuesta
  • right atrium
  • right ventricle
  • left atrium
  • left ventricle

Pregunta 6

Pregunta
Branching of an artery as it progresses from proximal to distal is called
Respuesta
  • ischemia
  • infarction
  • anastomosis
  • both ischemia and anastomosis

Pregunta 7

Pregunta
Which of the following is a semilunar valve
Respuesta
  • aortic
  • pulmonary
  • mitral
  • aortic and pulmonary

Pregunta 8

Pregunta
Rhythmic compressions of the heart combined with effective artificial respiration in cases of cardiac arrest are knows as [blank_start]cardio[blank_end] [blank_start]pulmonary[blank_end] [blank_start]resuscitations[blank_end].
Respuesta
  • cardio
  • pulmonary
  • resuscitation

Pregunta 9

Pregunta
Increased serum levels in the blood often indicate a recent myocardial infraction. These levels are often monitored by a blood test called [blank_start]troponins[blank_end] and a blood marker known as [blank_start]C[blank_end] [blank_start]reactive[blank_end] [blank_start]protein[blank_end].
Respuesta
  • troponins
  • C
  • reactive
  • protein

Pregunta 10

Pregunta
Because cardiac muscles are capable of contracting on their own in a slow, steady rhythm, they are considered [blank_start]autorhythmic[blank_end].
Respuesta
  • autorhythmic

Pregunta 11

Pregunta
The free edges of the cuspid flaps are anchored to the papillary muscles of the ventricles by several tendinous cords that are more commonly referred to as [blank_start]chordae[blank_end] [blank_start]tendineae[blank_end].
Respuesta
  • chordae
  • tendineae

Pregunta 12

Pregunta
A tiny bump at the end of a T wave is usually
Respuesta
  • an indicator of an imminent cardiac attack
  • a U wave
  • indicative of a murmur
  • a sign of hyperkalemia

Pregunta 13

Pregunta
The normal pattern of impulse conduction through the heart is
Respuesta
  • AV node, SA node, AV bundle, Purkinje fibers
  • SA node, AV node, AV bundle, Purkinje fibers
  • AV node, AV bundle, SA node, Purkinje fibers
  • AV node, SA node, Purkinje fibers, AV bundle

Pregunta 14

Pregunta
An ECG P wave represents
Respuesta
  • depolarization of the atria
  • repolarization of the atria
  • depolarization of the ventricles
  • repolarization of the ventricles

Pregunta 15

Pregunta
Repolarization of the atria is
Respuesta
  • clearly depicted by the QRS complex
  • masked by the massive ventricular depolarization
  • masked by the massive ventricular repolarization
  • none of the above

Pregunta 16

Pregunta
Contraction of the ventricles produces
Respuesta
  • the first heart sound
  • the second heart sound
  • both of these
  • none of these

Pregunta 17

Pregunta
The contraction phase of the cardiac cycle is referred to as systole.
Respuesta
  • True
  • False

Pregunta 18

Pregunta
Vagus fibers to the heart serve as accelerator nerves.
Respuesta
  • True
  • False

Pregunta 19

Pregunta
The QRS complex represents repolarization of the ventricles
Respuesta
  • True
  • False

Pregunta 20

Pregunta
Rapid ejection is characterized by a marked increase in ventricular and aortic pressure and in aortic blood flow.
Respuesta
  • True
  • False

Pregunta 21

Pregunta
Isovolumetric ventricular contraction occurs between the start of ventricular systole and the opening of the semilunar valves.
Respuesta
  • True
  • False

Pregunta 22

Pregunta
[blank_start]Subendocardial[blank_end] [blank_start]Branches[blank_end] are also known as Purkinje fibers.
Respuesta
  • Subendocardial
  • Branches

Pregunta 23

Pregunta
Pacemakers other than the SA node are abnormal and are usually [blank_start]ectopic[blank_end] [blank_start]pacemakers[blank_end].
Respuesta
  • ectopic
  • pacemakers

Pregunta 24

Pregunta
A complete heartbeat is referred to as a [blank_start]cardiac[blank_end] [blank_start]cycle[blank_end].
Respuesta
  • cardiac
  • cycle

Pregunta 25

Pregunta
A considerable quantity of blood called the [blank_start]residual[blank_end] [blank_start]volume[blank_end], normally remains in the ventricles at the end of the ejection period.
Respuesta
  • residual
  • volume

Pregunta 26

Pregunta
A swishing abonormal heart sound indicating an incomplete closing of the valves or a stenosis of them is known as a [blank_start]heart[blank_end] [blank_start]murmur[blank_end].
Respuesta
  • heart
  • murmur

Pregunta 27

Pregunta
A valve that permits blood to flow from the right ventricle into the pulmonary artery is called the
Respuesta
  • tricuspid
  • mitral
  • aortic semilunar
  • pulmonary semilunar

Pregunta 28

Pregunta
The left chambers are separated form the right chambers by an extension of the heart wall called the [blank_start]septum[blank_end].
Respuesta
  • septum

Pregunta 29

Pregunta
[blank_start]Veins[blank_end] return blood from various tissues to the heart.
Respuesta
  • Veins

Pregunta 30

Pregunta
Myocardial cells receive blood by way of two small vessels, the right and left [blank_start]coronary[blank_end] [blank_start]arteries[blank_end].
Respuesta
  • coronary
  • arteries

Pregunta 31

Pregunta
The death of ischemic heart muscle that is usually the result of blood clot to one of the larger coronary artery branches is knows as [blank_start]myocardial[blank_end] [blank_start]infarction[blank_end].
Respuesta
  • myocardial
  • infarction

Pregunta 32

Pregunta
The cardiac veins drain into the right atrium through a common venous channel called the [blank_start]coronary[blank_end] [blank_start]sinus[blank_end].
Respuesta
  • coronary
  • sinus

Pregunta 33

Pregunta
The P Wave represents [blank_start]depolarization[blank_end] of the atria.
Respuesta
  • depolarization
  • repolarization

Pregunta 34

Pregunta
The QRS complex represents [blank_start]depolarization[blank_end] of the ventricles.
Respuesta
  • depolarization
  • repolarization

Pregunta 35

Pregunta
At the same time that the ventricles are depolarizing, the atria are [blank_start]repolarizing[blank_end].
Respuesta
  • repolarizing
  • depolarizing

Pregunta 36

Pregunta
The T wave reflects [blank_start]depolarization[blank_end] of the ventricles.
Respuesta
  • depolarization
  • repolarization

Pregunta 37

Pregunta
An inverted T wave is often seen following a [blank_start]myocardial infaction[blank_end].
Respuesta
  • myocardial infaction
  • pericarditis

Pregunta 38

Pregunta
Ventricular diastole begins with the isovolumetric ventricular relaxation period of the cardiac cycle.
Respuesta
  • True
  • False

Pregunta 39

Pregunta
A stenosed valve is narrower than normal.
Respuesta
  • True
  • False

Pregunta 40

Pregunta
Trace the blood flow through the heart by numbering the following structures in the corner sequence. Start with number 1 for the right atrium and proceed until you have numbered all the structures [blank_start]2[blank_end] right atrioventricular (tricuspid) valve [blank_start]6[blank_end] pulmonary veins [blank_start]5[blank_end] pulmonary arteries [blank_start]4[blank_end] pulmonary semilunar valve [blank_start]8[blank_end] left atrioventricular (mitral) valve [blank_start]9[blank_end] left ventricle [blank_start]1[blank_end] right atrium [blank_start]3[blank_end] right ventricle [blank_start]7[blank_end] left atrium [blank_start]11[blank_end] aorta [blank_start]10[blank_end] aortic semilunar valve
Respuesta
  • 2
  • 6
  • 5
  • 4
  • 8
  • 9
  • 1
  • 3
  • 7
  • 11
  • 10
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