Circulatory System Test

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The entire volume of blood in the circulatory system gets pumped through the heart in about ____ minute(s).

1

Normal blood pressure would read ___/___.

120/70

The cardiac output of the heart is about ____ liters.

5.25

The average circulatory system holds about ___ liters.

5.5

A normal pulse would be about _____ bpm.

60-80

An average heart rate is ____ beats per minute.

75

If the SA node is destroyed or fails in function, the _____ will act as a secondary pacemaker.

AV node

The link between the subclavian & brachial artery is _______ artery.

Ascending

Artery between the subclavian and brachial.

Axillary

The three arteries that originate along the aortic arch & deliver blood to the head, neck, shoulders, & arms are the _______.

Brachiocephalic, Left Common Carotid, and Left Subclavian

Three arteries that branch off the aortic arch.

Brachiocephalic, Left Common Carotid, and Left Subclavian

A heart rate of less than 60 beats per minute is called _________.

Bradycardia

The only blood vessels whose walls permit exchange between the blood & surrounding interstitial fluids are the _______.

Capillaries

First artery to branch off the abdominal aorta.

Celiac

Artery(s) that split at the bottom of the abdominal aorta.

Common Illiac

Artery that supplies blood to the heart muscle.

Coronary

The outer layer of a blood vessel is the tunica ______.

Externa

Large artery that runs through the thigh region.

Femoral

Artery that supplies blood to the stomach.

Gastric

The coronary arteries carry blood to the _____.

Heart

The large blood vessel that collects most of the venous blood from the organs below the diaphragm is the ________.

Inferior Vena Cava

Arteries Diagram

Left External Carotid, Subclavian, Brachiocephalic Trunk, Axillary, Brachial, Celiac Trunk, Renal, Superior Mesenteric, Abdominal Aorta, Ulnar, Inferior Mesenteric, Radial, Common Illiac, External Illiac, Femoral, Popliteal, Anterior Tibial, Posterior Tibial.

The three arterial beaches off the celiac trunk are _______.

Left Gastric Artery, Splenic Artery, and Common Hepatic Artery

Three arteries that branch off the celiac trunk.

Left Gastric Artery, Splenic, and Common Hepatic

Smooth muscle fibers in arteries & veins are found in the tunica _____.

Media

What is the space between the lungs called?

Mediastinum

Artery that runs behind the knee.

Popliteal

Artery that runs through the calf region.

Posterior Tibial

Only artery that carries deoxygenated blood.

Pulmonary

Artery used in taking wrist pulse.

Radial

The blood vessel involved in the taking of blood pressure at the wrist is the ______ artery.

Radial

Artery that supplies blood to the kidneys.

Renal

The two arteries that are formed from the bifurcation of the brachiocephalic artery are the _____.

Right Subclavian and Right Common Carotid

Two arteries that split off the brachiocephalic.

Right Subclavian and Right Common Carotid

The correct sequential path of a normal action potential in the heart is _____.

SA node -> AV node -> bundle of His -> Purkinje fibers

What three organs are fed by the celiac trunk?

Stomach, Spleen, and Liver

Artery that supplies blood to the upper intestines.

Superior Mesenteric

Diagram of the heart.

Superior Vena Cava, Pulmonary Semilunar Valve, Right Atrium, Tricuspid Valve, Right Ventricle, Chordae Tendinae, Inferior Vena Cava, Aorta, Left Pulmonary Valve, Aortic Semilunar Valve, Left Pulmonary Valves, Left Atrium, Bicuspid Valve, Interventricular Septum, and Left Ventricle.

Blood from the systemic circulation is returned to the right atrium by what two veins?

Superior and Inferior Vena Cava

The valve between the right ventricle and right atrium is the ________.

Tricuspid

What are the three structural differences between arteries and veins? (answers vary)

Valves, size of lumens, and thickness of walls

Venues would be found between _____ and _____.

Veins and Capillaries

The function of the chordate tendinae is to ________.

anchor the atrioventricular valves and prevent the back-flow of blood into the atria

Pulmonary veins ________.

carry oxygenated blood to the heart

The right side of the heart pumps ________ blood.

deoxygenated

The largest vein of the body is the ________ vena cava.

inferior

The bundle of His is located in the _________.

interventricular septum

The aortic semilunar valve prevents blood from re-entering the _________.

left ventricle

Heart failure due to clogged coronary arteries is called ________.

myocardial infarction

Blood from the systemic circulation is returned to right atrium by the _______.

superior and inferior vena cava

The contraction phase of the heart is called ______.

systole

What is the functional unit of the circulatory system and the of nutrient & gas exchange?

the Capillaries

What causes the "Lubb-dubb" sound of the heart?

the valves slamming shut

The SA node of the heart is located in the________.

upper right part of the right atrium

What is occurring during the QRS phase of an EKG?

ventricle repolarization

The epicardium is the same as the _________.

visceral pericardium


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