Injuries
Damage to this part of the brain would cause the body to have less control over cardiac activity:
Medulla Oblongata
An irregular sound of the heart.
What is a heart murmur?
When blood is centrifuged and its components separate, the bottom of the tube holds the
erythrocytes
what permits the passage of blood in one direction
heart valves
Which vessel has the lowest blood pressure?
inferior vena cava
Damage to cells of the AV bundle would prevent the cardiac impulse from reaching this:
ventricles
The valve that is narrowed and allows swishing sound happens before the valve closes is...
What is stenosed?
What organ makes a majority of the plasma proteins and secretes them into the blood?
Liver
The most numerous of the formed elements are the
erythrocytes
The amount of blood ejected from the heart with each beat.
stroke volume
list the process of platelet formation after an injury to a blood vessel:
platelet adhesion
platelet aggregation
platelet release reaction
1. Platelet adhesion
3. platelet release reaction
2. platelet aggregation
Which blood vessel tunic is innervated by nerves from the sympathetic nervous system?
tunica media
The process of producing the formed elements of blood is called
hemopoiesis
Which are three treatments for hypertension?
stop smoking
increase physical activity
limit alcohol intake
Place in order from superficial to deep the three tunics of a typical blood vessel.
tunica externa, tunica media, tunica intima
A bulging sac in arterial wall that puts pressure on brain tissue, nerves or vessels due to hypertension and/or atherosclerosis
What is an aneurysm?
Which of the following is NOT an artery that branches off the aortic arch?
right subclavian artery
left subclavian artery
brachiocephalic artery
left common carotid artery
right subclavian artery
Archie took several deep breaths of air. By breathing deeply, what mechanism did he assist to return venous blood to his heart?
respiratory pump
This type of capillary has large pores within their endothelial cells and are the leakiest.
sinusoidal capillaries
These serve as the blood reservoirs in the body.
What are veins?
A blood clot in the anterior interventricular artery would cause a myocardial infarction in this area:
anterior walls of the left and right ventricles, and interventricular septum
What law states that as the volume of blood entering the heart increases, ventricular contractions become more forceful
Frank-Starling law
Which term best describes the function of blood when considering the presence of leukocytes and antibodies?
Protection
The average pressure in the systemic arteries during an entire cardiac cycle is known as:
pulmonary circuit.
systolic pressure.
mean arterial pressure (MAP).
venous pressure.
Mean arterial pressure
This vessel is being measured when taking the arterial blood pressure in the arm with a sphygmomanometer.
What is the brachial artery?