Cardiovascular System Flashcards
Diastole is the term that describes _________, while systole represents_____________.
- relaxing and filling; contraction and ejection
- receiving of the electrical impulse from the SA node; ventricular contraction
- contraction and ejection; relaxing and filling
- contraction and filling; relaxing and ejection
relaxing and filling; contraction and ejection
Using the provided image, choose the anatomical structure designated by letter B.
Right ventricle
Right atrium
Left atrium
Left ventricle
left atrium
Which blood vessel delivers blood directly into the right atrium?
Coronary artery
Aorta
Vena cava
Brachial artery
Vena Cava
Which of the following conditions occurs when a blood vessel in the brain becomes blocked?
Migraine
Stroke
Aneurysm
Myocardial infarction
Stroke
One of the primary functions of blood is to deliver oxygen-rich blood to the body’s tissues. This is accomplished by ________________, which contain the oxygen-carrying protein called ___________________.
plasma; albumin
erythrocytes; hemoglobin
platelets; hemoglobin
leukocytes; myoglobin
erythrocytes; hemoglobin
Which of the following comparisons between arteries and veins is true?
Veins carry freshly oxygenated blood from tissue back to the heart, while arteries carry oxygen-depleted blood away from the heart.
Veins have valves, and arteries do not.
Veins have a smaller diameter than arteries.
Veins have thick, muscular walls, while arteries have thin, more compliant walls.
Veins have valves, and arteries do not.
A decrease in the amount of hemoglobin in the blood would result in __________________.
increased blood viscosity
increased oxygen-carrying capacity
decreased oxygen-carrying capacity
decreased blood pressure
decreased oxygen carrying capacity
Which of the following correctly describes the flow of blood through the heart’s primary chambers?
right atrium, left atrium, aorta, and vena cava
right ventricle, left ventricle, aorta, and vena cava
right atrium, right ventricle, left atrium, and left ventricle
right ventricle, right atrium, vena cava, and aorta
right atrium, right ventricle, left atrium, and left ventricle
Which of the following lists the heart’s primary valves in the order in which blood passes through them?
Tricuspid, pulmonary semilunar valve, bicuspid, aortic semilunar valve
Tricuspid, aortic semilunar valve, bicuspid, pulmonary semilunar valve
Bicuspid, tricuspid, aortic semilunar valve, pulmonary semilunar valve
Tricuspid, bicuspid, aortic semilunar valve, pulmonary semilunar valve
tricuspid, pulmonary semilunar valve, bicuspid, aortic semilunar valve
The condition ________________ can often lead to ________________ due to buildup and blockage of coronary arteries, preventing blood flow to the myocardium.
arteriosclerosis; myocardial infarction
arteriosclerosis; stroke
atherosclerosis; myocardial infarction
atherosclerosis; stroke
atherosclerosis; myocardial infarction
Blood pressure is recorded as two numbers, for example 110/70. The top number (110) represents ___________ blood pressure which is ____________________________.
Systole; the pressure in the blood vessels while the heart is ejecting blood
Diastole; the pressure in the blood vessels while the heart is ejecting blood
Systole; the pressure in the blood vessels while the heart is filling
Diastole; the pressure in the blood vessels while the heart is filling
Systole; the pressure in the blood vessels while the heart is ejecting blood
In order for the heart to contract, an action potential must be generated at the sinoatrial node. If this signal fails to reach the Purkinje fibers, what will be the result?
The systolic period will be elongated
The ventricles will not contract and blood will pool within the heart
The diastolic period will be shortened
The Purkinje fibers will act as pacemaker cells but fire at a slower rate
The Purkinje fibers will act as pacemaker cells but fire at a slower rate
Which of the following lists the blood vessels in the order of blood flow from the left ventricle back to the heart at the right atrium?
Arterioles, arteries, aorta, vena cava, veins, venules, capillaries
Vena cava, veins, venules, capillaries, arterioles, arteries, aorta
Aorta, arteries, arterioles, capillaries, venules, veins, vena cava
Aorta, arterioles, arteries, capillaries, veins, venules, vena cava
Aorta, arteries, arterioles, capillaries, venules, veins, vena cava
The _________________ carries oxygen depleted blood away from the heart, while the ________________ carries oxygen-rich blood back towards the heart.
pulmonary vein; pulmonary artery
pulmonary artery; pulmonary vein
aorta; pulmonary artery
vena cava; pulmonary artery
pulmonary artery; pulmonary vein
Which of the following is not true about the lymphatic system?
The lymphatic system facilitates the filtering of fluid at the lymph nodes.
The lymphatic system transports both white blood cells and red blood cells.
The lymphatic system transports a fluid called lymph throughout the body.
The lymphatic system includes the spleen, thymus, and tonsils.
The lymphatic system transports both white blood cells and red blood cells.
