Very fine vessels called capillaries connect arteries and veins to each other.
What is True?
100
This statement is not true :
a) Veins are thin-walled.
b) Veins contain valves.
c) All veins carry deoxygenated blood.
d) Veins return blood from the various parts of the body to the heart.
What is a) all veins carry de oxygenated blood?
100
What chamber of the heart is the thickest? Why?
What is the left ventricle, because it has to pump blood throughout the body.
100
Normal blood pressure (BP) in a 25-year-old man is _______ mm Hg. What does each number represent
What is 120/80. Top # (120)- Systolic (ventricular contraction) Bottom # (80)- Diastolic (ventricular relaxation)
100
What happens when blood pools in the veins?
What is varicose veins?
200
Contraction of ventricles is known as diastole.
What is False?
200
what valve opens to the Aorta
a. tricuspid valve
b. mitral valve
c. aortic semi-lunar valve
d. pulmonary semi-lunar valve
What is c?
200
After blood leaves the right ventricle, it next returns to the heart
A. oxygenated via the left atrium.
B. oxygenated via the right atrium.
C. deoxygenated via the left atrium.
D. deoxygenated via the right atrium.
What is a?
200
The three components of the circulatory system are the pulmonary, systemic and __________ systems? What is the function of this system?
What is the coronary system. To nourish the heart muscle.
200
What is hypertension? What is a problem/ side affect?
What is high blood pressure?
Atherosclerosis, Stroke, Aneurysm, Heart attack, Heart failure: reduced pumping ability, Kidney failure, Eye damage.
300
Cardiac Output = Stroke volume x Heart Rate
What is true?
300
The relaxation and filling phase of each heart chamber:
(a) Diastole
(b) Fibrillation
(c) Systole
(d) Bacterial endocarditis
What is a?
300
The dilation of arterioles to the skin results in a decrease in
A. heart rate.
B. blood pressure.
C. body temperature.
D. capillary fluid exchange
What is c) body temperature?
300
The P wave in an EKG represents __________________.
What is depolarisation of the SA node/atrial contraction?
300
What is arteriosclerosis? What is a consequences?
What is the build up of plaque inside an artery? Heart attack, stroke, and pulmonary embolism?
400
______________ is when blood flow is increased through artery.
What is vasodilation?
400
The AV valves of the heart are prevented from inverting by the
A. sphincter muscles in the heart
B. direction of blood flow.
C. chordae tendineae.
D. force of blood leaving the ventricles.
What is c) chordae tendineae?
400
The fact that the ventricular wall is thicker than the right reveals that it
a. pumps a greater volume of blood
b. pumps blood against greater resistance
c. expands the thoracic cage
d. pumps blood through a small valve
What is b?
400
The “lub” sound is created by the _________________. The "dub" sound is created by______________.
What is AV valves closing & Semilunar valves closing?
400
___________ is a blood filled sac formed by the ballooning or separating of an arterial wall. This can occur in the brain or in a ventricle of a heart or in the aorta
What is an aneurysm?
500
The heart of an athlete is smaller because it is more efficient.
What is false?
500
The cardiac septum separates the
A. left and right atria.
B. left and right ventricles.
C. left atrium and left ventricle.
D. right atrium and right ventricle.
What is the importance of the septum?
What is d? Stops oxygenated and deoxygenated blood from mixing.
500
Name the pathway the electric impulse travels through the heart. __________ --> _________ -->__________--> ___________
What is SA Node --> AV Node--> Bundle of His--> Purkinji Fibers
500
A ________________ is a good indicator of how efficient the heart is.
What is a low resting heart rate?
500
____________ are caused by the misflow of blood through the heart. "leaky valves"