Pregunta 1
Pregunta
Which component of the CVS is the drainage?
Respuesta
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Heart
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Arteries
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Veins and lymphatics
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Capillaries
Pregunta 2
Pregunta
Blood needs a circulation system as diffusion becomes exponentially slower as distance increases.
Pregunta 3
Pregunta
An artery is a vessel with oxygenated blood.
Pregunta 4
Pregunta
The pulmonary circuit is in [blank_start]series[blank_end] with the systemic circuit. Organ circulations are [blank_start]parallel[blank_end] branches of the systemic circuit.
Pregunta 5
Pregunta
Which organ is the only organ to receive CO2 rich blood? (Excluding the heart)
Pregunta 6
Pregunta
The right AV valve is this type of valve.
Pregunta 7
Pregunta
Choose the correct equation for blood flow.
Respuesta
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Q = ΔP/R
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Q = ΔR/P
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Q = ΔP*R
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Q = P*R
Pregunta 8
Pregunta
The blood vascular system is [blank_start]a closed[blank_end] entry, continuous [blank_start]loop[blank_end]. The lymphatic vascular system is [blank_start]an open[blank_end] entry, [blank_start]one way[blank_end] system.
Respuesta
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a closed
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an open
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loop
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one way
Pregunta 9
Pregunta
Choose the correct statements about arteries.
Respuesta
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Major arteries are situated deeply and/or on flexor aspects of limbs.
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Each organ receives supply from only one specific artery.
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Arteries change name at major branches.
Pregunta 10
Pregunta
To shift the same amount of blood per second, [blank_start]veins[blank_end] must have a cross sectional area twice that of [blank_start]arteries[blank_end].
Pregunta 11
Pregunta
Choose the incorrect statement about CVS diseases.
Respuesta
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Cardiovascular disorders cause at least 50% of all deaths.
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Cerebrovascular disease (stroke) has the same root cause as coronary artery disease (heart disease).
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Axillary arteries play a crucial role in the spread of metastases (cancers).
Pregunta 12
Pregunta
Choose the incorrect statement about the heart's position.
Respuesta
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The apex sits in line with the mid clavicular line.
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The apex points to the fifth intercostal space.
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The base is in line with the second intercostal space.
Pregunta 13
Pregunta
Choose the structure(s) that the right atrium receives from.
Respuesta
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Superior vena cava
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Inferior vena cava
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Coronary sinus
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Four pulmonary veins
Pregunta 14
Pregunta
Which ventricle has a thicker myocardium?
Pregunta 15
Pregunta
The heart wall's innermost component is the [blank_start]endocardium[blank_end], which is [blank_start]squamous[blank_end] epithelium that provides a non-stick surface and which prevents [blank_start]clots[blank_end]. It also contains loose, irregular fibrous connective tissue, small vessels, and [blank_start]Purkinje fibers[blank_end].
The next layer is the [blank_start]myocardium[blank_end], which is cardiac muscle.
The next, more superficial layer is the [blank_start]epicardium[blank_end]. It contains adipose, connective tissue, and [blank_start]large vessels[blank_end]. Its visceral pericardium loops over to become the [blank_start]parietal[blank_end] pericardium, with the [blank_start]pericardial space[blank_end] in between. This space is filled with pericardial fluid that reduces [blank_start]friction[blank_end].
The heart is finally wrapped in [blank_start]fibrous[blank_end] pericardium.
Respuesta
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endocardium
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myocardium
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epicardium
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fibrous
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squamous
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cuboidal
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clots
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Purkinje fibers
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large vessels
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parietal
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pericardial space
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friction
Pregunta 16
Pregunta
The right atrioventricular valve is also known as the:
Respuesta
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Bicuspid valve
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Tricuspid valve
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Mitral valve
Pregunta 17
Pregunta
During diastole, the AV valves are:
Pregunta 18
Pregunta
The chordae tendinae attach to the [blank_start]papillary muscles[blank_end] which attach to the [blank_start]ventricular walls[blank_end]. They allow the valves to close [blank_start]slowly and more safely[blank_end] to prevent [blank_start]wear and tear[blank_end].
Respuesta
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papillary muscles
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ventricular walls
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ventricular walls
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papillary muscles
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slowly and more safely
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quickly and securely
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wear and tear
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leaks
Pregunta 19
Pregunta
Both semilunar valves are tricuspid.
Pregunta 20
Respuesta
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AV valves are closed, semilunar valves are open
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AV valves are closed, semilunar valves are closed
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AV valves are open, semilunar valves are open
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AV valves are open, semilunar valves are closed
Pregunta 21
Pregunta
The cardiac circulation is the first organ system to receive blood from the aorta. The coronary arteries are named sensibly as the right coronary artery and the left coronary artery. The anterior interventricular artery branches from the [blank_start]left[blank_end] coronary artery. All three of these vessels join the [blank_start]circumflex[blank_end] artery on the [blank_start]posterior[blank_end] of the heart.
On the [blank_start]anterior[blank_end] of the heart also reside the great cardiac vein and the small cardiac vein. The [blank_start]coronary[blank_end] sinus is the final vein which drains into the [blank_start]right[blank_end] atria directly.
Respuesta
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left
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circumflex
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posterior
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anterior
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coronary
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right
Pregunta 22
Pregunta
Select the correct characteristics of myocardium.
Respuesta
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Striated
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Non-striated
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Branched
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Spindle shaped
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central, oval nuclei
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peripheral nuclei
Pregunta 23
Pregunta
The mitochondria make up what percent of myocardiac cell volume?
Pregunta 24
Pregunta
The sarcomeres in myocardium are irregularly branched, unlike skeletal muscle sarcomeres.
Pregunta 25
Pregunta
Choose the incorrect statement about intercalated discs.
Respuesta
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They contain adhesion belts which join actin to action.
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They contain desmosomes which join cytokeratin to cytokeratin.
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They contain gap junctions which are perpendicular to the axis of contraction.
Pregunta 26
Pregunta
The conduction pathway in the heart is nervous tissue that can be innervated by the autonomic nervous system if needed.
Pregunta 27
Pregunta
Electrically conductive cells make up what percent of the cells in the heart?