Question 1
Question
The visceral pericardium is found
Answer
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inside the fibrous pericardium
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adhering to the surface of the heart
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lining the inside of the chambers of the heart
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comprising the bulk of the heart tissue
Question 2
Question
The correct layers of the heart, from superficial to deep, are
Answer
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myocardium, pericardium, endocardium
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epicardium, myocardium, pericardium
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epicardium, myocardium, endocardium
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endocardium, myocardium, epicardium
Question 3
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The atrioventricular valves are also called
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cuspid valves
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semilunar valves
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aortic valves
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pulmonary valves
Question 4
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Semilunar valves prevent backflow of blood into the
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atria
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lungs
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vena cava
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ventricles
Question 5
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The most abundant blood supply goes to the
Answer
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right atrium
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right ventricle
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left atrium
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left ventricle
Question 6
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Branching of an artery as it progresses from proximal to distal is called
Question 7
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Which of the following is a semilunar valve
Answer
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aortic
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pulmonary
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mitral
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aortic and pulmonary
Question 8
Question
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].
Answer
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cardio
-
pulmonary
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resuscitation
Question 9
Question
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].
Answer
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troponins
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C
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reactive
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protein
Question 10
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Because cardiac muscles are capable of contracting on their own in a slow, steady rhythm, they are considered [blank_start]autorhythmic[blank_end].
Question 11
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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].
Question 12
Question
A tiny bump at the end of a T wave is usually
Question 13
Question
The normal pattern of impulse conduction through the heart is
Answer
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AV node, SA node, AV bundle, Purkinje fibers
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SA node, AV node, AV bundle, Purkinje fibers
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AV node, AV bundle, SA node, Purkinje fibers
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AV node, SA node, Purkinje fibers, AV bundle
Question 14
Question
An ECG P wave represents
Answer
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depolarization of the atria
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repolarization of the atria
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depolarization of the ventricles
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repolarization of the ventricles
Question 15
Question
Repolarization of the atria is
Answer
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clearly depicted by the QRS complex
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masked by the massive ventricular depolarization
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masked by the massive ventricular repolarization
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none of the above
Question 16
Question
Contraction of the ventricles produces
Answer
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the first heart sound
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the second heart sound
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both of these
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none of these
Question 17
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The contraction phase of the cardiac cycle is referred to as systole.
Question 18
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Vagus fibers to the heart serve as accelerator nerves.
Question 19
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The QRS complex represents repolarization of the ventricles
Question 20
Question
Rapid ejection is characterized by a marked increase in ventricular and aortic pressure and in aortic blood flow.
Question 21
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Isovolumetric ventricular contraction occurs between the start of ventricular systole and the opening of the semilunar valves.
Question 22
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[blank_start]Subendocardial[blank_end] [blank_start]Branches[blank_end] are also known as Purkinje fibers.
Question 23
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Pacemakers other than the SA node are abnormal and are usually [blank_start]ectopic[blank_end] [blank_start]pacemakers[blank_end].
Question 24
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A complete heartbeat is referred to as a [blank_start]cardiac[blank_end] [blank_start]cycle[blank_end].
Question 25
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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.
Question 26
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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].
Question 27
Question
A valve that permits blood to flow from the right ventricle into the pulmonary artery is called the
Answer
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tricuspid
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mitral
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aortic semilunar
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pulmonary semilunar
Question 28
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The left chambers are separated form the right chambers by an extension of the heart wall called the [blank_start]septum[blank_end].
Question 29
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[blank_start]Veins[blank_end] return blood from various tissues to the heart.
Question 30
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Myocardial cells receive blood by way of two small vessels, the right and left [blank_start]coronary[blank_end] [blank_start]arteries[blank_end].
Question 31
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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].
Question 32
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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].
Question 33
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The P Wave represents [blank_start]depolarization[blank_end] of the atria.
Answer
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depolarization
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repolarization
Question 34
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The QRS complex represents [blank_start]depolarization[blank_end] of the ventricles.
Answer
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depolarization
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repolarization
Question 35
Question
At the same time that the ventricles are depolarizing, the atria are [blank_start]repolarizing[blank_end].
Answer
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repolarizing
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depolarizing
Question 36
Question
The T wave reflects [blank_start]depolarization[blank_end] of the ventricles.
Answer
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depolarization
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repolarization
Question 37
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An inverted T wave is often seen following a [blank_start]myocardial infaction[blank_end].
Answer
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myocardial infaction
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pericarditis
Question 38
Question
Ventricular diastole begins with the isovolumetric ventricular relaxation period of the cardiac cycle.
Question 39
Question
A stenosed valve is narrower than normal.
Question 40
Question
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