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WorksheetsCardiovascular System Quiz pt 1
Total questions: 24
Worksheet time: 12mins
The cardiovascular system is a closed system of what two main parts?
A. Lungs and kidneys
B. Heart and blood vessels
C. Liver and intestines
D. Brain and spinal cord
What are the two receiving chambers of the heart called?
A. Superior and inferior vena cavae
B. Right and left atria
C. Right and left ventricles
D. Aorta and pulmonary artery
How many chambers does the heart have?
A. Two chambers (upper and lower)
B. Three chambers (atrium and two ventricles)
C. Four chambers (two atria and two ventricles)
D. Five chambers (two atria, two ventricles, and one lower chamber)
What is the coronary circulation system responsible for?
A. Delivering oxygen-rich blood to the brain
B. Supplying oxygen-rich blood to the heart muscle
C. Removing waste products from the kidneys
D. Transporting nutrients from the digestive system
What is the size and location of the human heart?
A. Size of a grapefruit, located above the diaphragm
B. Size of a fist, located in the thoracic cavity
C. Size of a lung, located behind the rib cage
D. Size of two kidneys, located in the lower abdomen
What are the three main functions of the cardiovascular system?
A. Gas exchange, waste removal, and nutrient transport
B. Digestion, respiration, and excretion
C. Muscle movement, coordination, and sensation
D. Immune response, hormone production, and temperature regulation
The interatrial septum separates which two chambers of the heart?
A. Right and left atria
B. Right and left ventricles
C. Superior and inferior vena cavae
D. Aorta and pulmonary artery
The myocardium is the middle layer of the heart wall. What type of tissue is it mostly composed of?
A. Smooth muscle tissue
B. Cardiac muscle tissue
C. Connective tissue
D. Epithelial tissue
What are the two discharging chambers of the heart called?
A. Superior and inferior vena cavae
B. Right and left atria
C. Right and left ventricles
D. Aorta and pulmonary artery
The interventricular septum separates which two chambers of the heart?
A. Right and left atria
B. Right and left ventricles
C. Superior and inferior vena cavae
D. Aorta and pulmonary artery
The sinoatrial (SA) node is also known as the heart’s what?
A. Pacemaker
B. Regulator
C. Pump
D. Filter
The semilunar valves are located between which chambers of the heart and arteries?
A. Superior and inferior vena cavae and aorta
B. Right and left atria and pulmonary artery
C. Right and left ventricles and aorta and pulmonary artery
D. Aorta and pulmonary artery and superior and inferior vena cavae
The atrioventricular (AV) valves are located between which chambers of the heart?
A. Superior and inferior vena cavae
B. Right and left atria
C. Right and left ventricles
D. Aorta and pulmonary artery
How many valves are there in the heart, and what is their general function?
A. Two valves to control blood flow between chambers
B. Four valves to prevent backflow of blood
C. Three valves to regulate heart rate and pressure
D. Five valves to separate oxygen-rich and oxygen-poor blood
What is the term for a slow heart rate, less than 60 beats per minute?
A. Tachycardia
B. Bradycardia
C. Arrhythmia
D. Myocardial infarction
What is the average heart rate for a healthy adult?
A. 40 beats per minute
B. 50 beats per minute
C. 60 beats per minute
D. 75 beats per minute
What is the term for a rapid heart rate, over 100 beats per minute?
A. Bradycardia
B. Tachycardia
C. Arrhythmia
D. Myocardial infarction
The kidneys play a role in regulating blood pressure by controlling what?
A. Blood sugar levels
B. Blood cell production
C. Blood volume
D. Muscle movement
What is the volume of blood pumped out of the left ventricle with each heartbeat?
A. 20 ml
B. 40 ml
C. 60 ml
D. 70 ml
What is the name of the longer, louder heart sound caused by the closing of the atrioventricular (AV) valves?
A. Lub
B. Dup
C. Thump
D. Click
Which part of the autonomic nervous system increases heart rate and blood pressure?
A. Parasympathetic nervous system
B. Sympathetic nervous system
C. Enteric nervous system
D. Somatic nervous system
According to Starling’s law of the heart, what factor has the greatest influence on stroke volume?
A. Heart rate
B. Blood pressure
C. Blood vessel diameter
D. Amount of cardiac muscle stretch
During which phase of the cardiac cycle do the ventricles contract and forcefully eject blood out of the heart?
A. Atrial diastole
B. Ventricular diastole
C. Atrial systole
D. Ventricular systole
What is the equation for calculating cardiac output?
A. CO = SV x HR
B. CO = PR x SV
C. CO = BP x SV
D. CO = BP x HR
