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WorksheetsOBE Cardiovascular Heart Vessels
Total questions: 25
Worksheet time: 24mins
The following arteries supply oxygenated blood to the brain EXCEPT
femoral artery
internal carotid artery
common carotid artery
brachiocephalic artery
Which of the following is CORRECT about the structure of the heart?
surrounded by pleural layer
receive oxygenated blood supply from coronary sinus
sinoatrial node is located at the right atrium of the heart
right ventricle has the thickest layer of myocardium
In the conduction system of the heart, impulse that travels to the Purkinje fibers will cause
atrial systole
atrial diastole
ventricle diastole
ventricle systole
The highest blood pressure can be detected in the
veins
venules
arteries
arterioles
Pulmonary circulation starts from
left ventricle to the aorta
left ventricle to the right atrium
right ventricle to the lungs
right ventricle to the right atrium
I. External subclavian vein
II. Subclavian vein
III. Superior mesenteric vein
IV. Hepatic vein
The above veins which carry deoxygenated blood into the inferior vena cava are
I and II
II and III
III and IV
I and IV
Which of the following blood vessels carry the highest concentration of oxygenated blood?
pulmonary vein
pulmonary artery
superior vena cava
radial artery
Tunica adventitia layer in the blood vessel is made up of
fibrous tissue
smooth muscle
skeletal muscle
epithelium squamous
The 'lub' heart sounds can be heard during
atrium systole
atrium dyastole
ventricular systole
ventricular dyastole
During ventricle systole, blood will be pumped from
ventricle to aorta
atrium to ventricle
atrium to pulmonary artery
ventricle to pulmonary vein
The heart has ___________ chambers.
2
4
6
8
The fluid in the pericardial cavity is called as
blood
serous
mucus
lymphatic
The outer layer which lines the heart is called
myocardium
visceral epicardium
endocardium
fibrous pericardium
Left ventricle of the heart pumps oxygenated blood into
pulmonary trunk
pulmonary vein
ascending aorta
descending aorta
The heart is divided into left and right portion by
atrium
septum
ventricle
purkinje fibers
Which of the following statement is CORRECT about cardiac tissues?
The nucleus is located at the base of the cardiac cells
Cardiac muscles are attached to each other by intercalated disc
Cardiac muscle fibers are layered and no branches
Thick at the base of heart
Two main valves in the heart are
mitral and tricuspid
aortic and pulmonary
bicuspid and semilunar
semilunar and atrioventricular
Blood circulation that supplies blood to the heart is called
portal circulation
systemic circulation
coronary circulation
pulmonary circulation
The heart receives oxygenated blood supply through ___________ and deoxygenated blood returns to the systemic circulation through ___________.
carotid artery ...................... jugular vein
radial artery.................... radial vein
coronary artery ...................... coronary artery
coronary artery ........................coronary sinus
The heart valve located at the left atrium and left ventricle is called
bicuspid valve
tricuspid valve
aortic semilunar valve
pulmonary semilunar valve
The structure that helps reduces the friction of the heart membranes is
pericardial cavity
endocardium
serous membrane
pericardial fluid
The artery that branches out from ascending aorta to supply oxygenated blood to the myocardium is
carotid artery
coronary artery
pulmonary artery
subclavian artery
The pacemaker in the conduction system of the heart is
sinoatrial node
atrioventricular node
bundle of His
purkinje fibers
Blood circulation that supplies oxygenated blood to the body tissues and returns deoxygenated blood to the heart is called
portal circulation
systemic circulation
pulmonary circulation
Circle of Willis
The endothelium of blood vessels and heart has a smooth surface to
ensure blood flow smoothly without clotting
promote maximum absorption of nutrition
enhance the coagulation process
ensure the smooth flow of plasma protein in the blood
