32 Questions
Which valve is located between the left ventricle and ascending aorta?
Aortic valve
What circulation has the higher pressure and a longer system?
Systematic circulation
Which side of the heart is associated with the pulmonary circulation?
Right side
Which circulation of the heart has normal pressure?
Pulmonary circulation
Which layer covers the heart and is contained within the fibrous pericardium sac?
Visceral pericardium
Where is the heart located within the body?
Inferior to thoracic plane
What is another term for the visceral layer of serous pericardium?
Epicardium
Which layer of the heart is responsible for pumping blood?
Myocardium
Which layer of the heart is in direct contact with the blood and consists of endothelium?
Endocardium
Which valves are located between each atrium and ventricle?
Atrioventricular valves
What structures in the ventricle help to keep the valves closed and prevent blood reflux?
Both a) and b)
How many cusps does the tricuspid valve have?
3
Which valve is located between the right atrium and right ventricle?
Tricuspid valve
How many cusps does the mitral (bicuspid) valve have?
2
Which valves have no papillary muscles or chordae tendinae?
SL valves
Which valve is located between the right ventricle and pulmonary trunk?
Pulmonary valve
The aortic arch divides into which two arteries?
Common carotid arteries and subclavian arteries
What is the function of the carotid arteries?
Supply the head and neck
Which part of the aorta is separated by the diaphragm?
Abdominal aorta
How many major GI tract branches originate from the descending aorta?
3
How many major GI tract branches originate from the descending aorta? Name them
Coeliac trunk Superior mesenteric Inferior mesenteric
At which vertebral level does the aorta bifurcate into common iliac arteries?
L4
Which type of arteries are coronary arteries?
End arteries
What is the consequence of a sudden blockage in coronary circulation?
Myocardial infarction
What is the primary cause of cardiac muscle ischemia in coronary circulation?
Atherosclerosis and plaque formation
What happens when a coronary artery becomes blocked?
It leads to necrosis of the cardiac muscle.
What term is used to describe a blocked vessel in coronary circulation?
Infarcted
Which of the following statements about the neural control of the heart is true?
The heart beats autonomously without any neural input.
What is the intrinsic heart rate determined by?
Sinoatrial node
At rest, what effect does parasympathetic input have on heart rate?
It decreases heart rate to 60-70 bpm.
Which part of the spinal cord is responsible for the preganglionic sympathetic input to the heart?
T1 - T4/5 lateral horns
Where does the postganglionic sympathetic input to the heart originate?
Superior cervical ganglia
Test your knowledge of the cardiovascular system with this quiz! Questions cover topics such as circulation pressure, heart anatomy, and valve functions.
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