Circulatory System Test Flashcards
Which blood vessels carry blood away from the heart?
Veins
Which type of valve is located at the exit of the heart?
Semi-lunar valve
The pulmonary artery carries:
Deoxygenated blood
Which part of the heart has the thickest myocardium?
LV
What is another name for the right AV valve?
Tricuspid valve
The membrane sac that makes up the outer layer of the heart is called the:
Pericardium
Which chamber of the heart receives blood from the pulmonary veins?
LA
Which arteries provide blood to the heart itself?
Coronary arteries
Where does the exchange of gases occur?
Capillaries
What can increase a person’s blood pressure?
Obesity, heredity, smoking
The inner layer of all blood vessels is made up of:
Endothelial cells
The pulmonary arter carries:
Oxygen poor blood
A red blood cell is in the renal capillaries, where would it travel next?
Renal venule
The muscle wall of the heart is called the
Myocardium
Artieries have _______ that allows them to contract “pushing” the blood forward throughout the body
Elastic smooth muscle
In diastole, the heart’s AV valves are relaxed while the ventricles fill to ___ with blood
70%
Systole occurs during the period of time when the ventricles _____
Contract
Blood pressure is measured as _____/_____
Systole/Diastole
The main role of the SA node is to:
Send an electrical impulse across the two atria causing the atria to contract
The order of electrical impulses in the heart:
SA node-AV node-Bundle of His-Bunde branches-Purkinje fibres
What are the two main circulatory pathways in the blood?
Systemic and pulmonary
Where is blood pressure measured using a blood pressure cuff?
Brachial artery
A person is complaining about always having very cold hands and feet. They are likely suffering from?
Hypotension
