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