Cardiovascular

The average heart rate is ________ beats per minute.

60 - 100

The tricuspid valve and the mitral are similunar valves ?

False

The vagus nerve operates under the control of the parasympathetic nervous system and causes the ________.

Heart rate to decrease

What blood vessel brings deoxygenated blood to the liver

Hepatic Veins

As arterioles constrict, peripheral resistance _______ and blood pressure ______ accordingly

Increase, increases

Veins draining the lower parts of the body merge into a larger vein, which then transports the blood to the right atrium of the heart, this larger vein is the

Inferior vena cava (Posterior vena cava)

What structure divides the right ventricle form the left ventricle?

Interventricular septum

Which structure separates the right ventricle for the left ventricle

Interventricular septum

What is the main vein that drains the brain

Jugular

To take an apical pulse, you will need to locate the apex of the heart. It is located

Left 5th intercostal space midclavicular

The _______ pumps blood into the aorta

Left Ventricle

The _______ received blood from the pulmonary veins

Left atrium

The mitral valve prevents backflow of blood from the ________ into the _________

Left ventricle, left atrium

The pulmonary arteries carry blood to the

Lungs

The heart is situated within the medial section of the thoracic cavity known as the ________.

Mediastinum

The sac like structure around the heart is the

Pericardium

This structure surrounds the heart

Pericardium

The heart is surrounded by the

Peridcardium

Deoxygenated blood is carried away from the right ventricle by the

Pulmonary Trunk

The right ventricle pumps blood to the

Pulmonary trunk - then right and left pulmonary artery

Which one of the following blood vessels carries oxygenated blood?

Pulmonary vein

What vessels carries oxygenated blood from the lungs back to the heart

Pulmonary veins

Veins have valves to prevent the backflow of blood

True

The tissue layers of blood vessels from outer layer to inner layer are

Tunica externa Tunica media Tunica intima

Trace a drop of blood to the lungs and back to the heart by filling in the blanks:

VC/SVC right atrium tricuspid right ventricle pulmonary SL valve pulmonary trunk R and L pulmonary arteries LUNGS pulmonary veins Left atrium Mitral/Bicuspid valve Left ventricle aortic SL valve Aorta To the rest of the body

Valves are found in some

Veins

____________ contain nearly 60% of the total blood volume and are considered as storage areas for blood

Veins

The systolic blood pressure is the greatest systemic arterial blood pressure during

Ventricular contraction

The tricuspid valve is located

between right atrium and right ventricle

The muscle layer of the heart is the

myocardium

The cardiac control center is located in the

Medulla Oblangata

Which part of the brain participates in the barrorecptor relfex

Medulla Oblongata

The bicuspid valve is also referred to as the ________ valve.

Mitral

The atrioventricular valve between the left atrium and left ventricle is called the

Mitral Valve

Arteries contain _________ than veins

More smooth muscle and elastic connective tissue

The left ventricle pumps _________blood through the _______ valve

Oxygenated, aortic

The left atrium passes ________ blood through the _______ valve to the left ventricle

Oxygenated, mitral

The left ventricle pumps ___________ blood through the _________ valve

Oxygenated, oartic

The left atrium receives oxygenated blood from the

pulmonary veins

The valves located between the atria and ventricles are known as the ________ valves.

AV - Atrioventricular

The vagus nerve slows down the heart via secretion of __________.

Acetylcholine

The walls of capillaires consist of

An endothelium supported by a layer of areolar connective tissue

All arteries of the systemic circulation branch from the

Aorta

Blood leaves the left ventricle through an artery known as the ________.

Aorta

Blood pressure is the highest in the

Aorta

The _________ valve prevents backflow of blood from the aorta into the ______ ventricle

Aortic, left

Which of the following are divisions of the aorta

Arch Ascending abdominal

What are the blood vessels that carry blood away from the heart

Arteries

__________ play an important role in controlling blood flow and blood pressure

Arteries

The tunica media is found in

Arteries and veins only

The smallest arteries that deliver blood to the capillaries are called

Arterioles

__________ is hardening of arteries resulting from calcium deposits that accumulate in the tunica media or arterial walls

Arteriosclerosis

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the

Atria, Ventricles

The more flat superior portion of the heart is known as the

Base

What do the barrorecptors regulate

Blood pressure

Which artery is most often used to measure the blood pressure

Brachial

________ is a condition in which the heart rate is slower than normal.

Bradycardia

The carotid and vertebral arteries supply the

Brain

Parasympathetic innervations of the heart occurs via this cranial nerve

CN X

Blood flow is the slowest in the

Capillaries

Which blood vessels have very thin walls and are called the exchange vessels

Capillaries

The tiny white cords that hold the AV valves in place are called_______.

Chordae Tendineae

Which of the following helps return blood from the limbs to the heart

Contracting skeletal muscles

Oxygenated blood nourishing the myocardium comes from vessels that branch off the aorta called ________.

Coronary Arteries

What vessels supplies oxygenated blood to the heart muscle

Coronary arteries

The ______ receives blood from _______ and supplies blood to the cardiac muscle tissue

Coronary arteries oarta

Myocardial infarction is usually caused by an obstruction of

Coronary artery

Myocardial infarction is usually caused by an obstruction of ________.

Coronary artery

Pulmonary circulation involves blood flow to and from the heart and the

Deoxygenated blood to the lungs

The pulmonary arteries carry _______ blood to the ________

Deoxygenated, lungs

The right ventricle pumps _______ blood through the _____ valve

Deoxygenated, pulmonary

The right ventricle pumps ________ blood through the ________ valve

Deoxygenated, pulmonary

The pulmonary circuit carries ________ blood from the ________ to the lungs and returns _______ blood to the ________

Deoxygenated, right ventricle, oxygenated, left atrium

The right atrium passes ________ blood through the ______ valve

Deoxygenated, tricuspid

The P wave of an ECG is produced by the

Depolarization of the atria

Exchange of dissolved substances between the blood and the interstitial fluid occurs by

Diffusion

The innermost layer of the heart wall is the

Endocardium

The visceral layer of serous peridcardium is also known as

Epicardium

The visceral layer of the serous pericardium is actually the same layer as the ________.

Epicardium

The most common artery used to take a pulse is the

Radial

The kidney is supplied by this artery

Renal arteries

The primary function of the venae cavae:

Return deoxygenated blood to the right atrium

The ______ receives blood from the superior venae cavae and the coronary sinus

Right atrium

The ________ pumps blood into the pulmonary trunk

Right ventricle

The right atrium receives blood from the systemic circuit and pumps it to the

Right ventricle

The tricuspid valve prevents backflow of blood from the _______ into the ________

Right ventricle, right atrium

The heart's natural pacemaker cells are located in which of the following?

SA Node

Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?

SA node AV node AV bundle node (bundle of his) right and left bundle branches purkinje fibers

What is the longest vein in the body that is located in the lower extremity

Saphenous

The pulmonary and aortic valves are also called

Semilunar valves

The characteristic of the arteriole that allows it to function as a resistance vessel is its

Smooth Vessel

The median cubital, ulnar, and radial veins

Supply the upper extremity

An increase in _________ action potential frequency results in ________ in blood pressure

Sympathetic, increase

The contraction phase of a cardiac cycle, known as __________,________ blood pressure. The relaxation phase of a cardiac cycle, known as ________,__________ blood pressure.

Systole, increases Diastole, decreases

The diastolic blood pressure is the lowest systemic arterial blood pressure during

Ventricular relaxation

The cardiac output is the

Volume of blood from each ventricle in one minute

The stroke volume is the

Volume of blood pumped from each ventricle per heartbeat