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79 terms

SCI 144 Test 4 Study Guide 4/5/12

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The vessel that delivers blood from the gastrointestinal tract to the liver is the:
Hepatic portal vein
Which of the following structures would not be found in a blood vessel?
Tunica vaginalis
Which arteries are formed by the bifurcation of the abdominal aorta?
Iliac
What valve is located between the left upper and lower chambers of the heart?
Mitral
The large vein that drains the head is the:
Jugular
The conducting fibers that run from the AV node down the interventricular septum are referred to as the:
Bundle of His
The large artery found behind the knee is the:
Popliteal
The only artery in the body that carries unoxygenated blood is the:
Pulmonary artery
The large artery that arises from the left side of the aortic arch and descends into the arm is the:
Subclavian
Which of the following vessels arises from the right ventricle?
Pulmonary artery
The atrioventricular (AV) valve between the right atrium and the right ventricle is the:
Tricuspid
The pacemaker of the heart is the:
SA node
The inner layer of an artery is known as the:
Intima
Which of the following arises from the left ventricle?
Aorta
Enlargement of the heart is:
Cardiomegaly
Low blood pressure is known as:
Hypotension
Tachy- is a prefix meaning:
Fast
A prefix meaning "slow" is:
Brady-
Thrombectomy" means:
Excision of a clot
The mitral valve is also called the:
Bicuspid valve
The largest artery in the body is the:
Aorta
The veins in the body that carry the highest concentration of oxygenated blood are the:
Pulmonary veins
From the right ventricle of the heart, blood is forced into the:
Pulmonary artery
A localized area of ischemic necrosis in the heart muscle produced by an occlusion of the blood supply is called a/an:
Infarction
A stricture or narrowing of some portion of the aorta is:
Coarctation of the aorta
Greatly dilated veins in which pressure is elevated and blood flow is stagnant or reversed are called:
Varicose veins
Obstruction of the valve orifice between the left atrium and left ventricle is called:
Mitral stenosis
A localized dilatation of an artery is:
Aneurysm
Rapid, random, ineffectual, and irregular heartbeats (350 or more/minute) are:
Fibrillation
Rheumatic heart disease (RHD) may develop until up to 20 years after the initial infection of:
Streptococcus bacteria
The large portal system in the body's blood circulation is in the:
Liver
Which pair of veins returns blood from the head to the superior vena cava?
Jugular
The part of the circulatory system that collects and returns blood from the lower part of the body to the right atrium is the:
Inferior vena cava
A condition of the circulatory system in which the artery wall weakens and balloons out is called an:
Aneurysm
A condition in the lumen of the arteries having deposits and accumulation of fatty materials is:
Atherosclerosis
The normal pulse rate (pulsations per minute) for adults is
60-90
Normally, the pulse rate is the same as the:
Number of heartbeats in 1 minute
Bradycardia is a term meaning:
Abnormally slow heartbeat
If the pulse is taken at the wrist, the artery used is the:
Radial artery
An increase in one's pulse rate may be caused by:
Fever
Systolic pressure of 160 or above is referred to as:
Hypertension
The apical pulse is taken:
With a stethoscope
The selection of one of the three available blood pressure cuff sizes depends on the:
Diameter of limb
A ventricular contraction that occurs too early in the ECG cycle is abbreviated as:
PVC
The first wave of the ECG is the:
P wave
A sudden blocking of a blood vessel is known as:
Occlusion
Which of the following is a congenital heart disease?
Tetralogy of Fallot
Inflammation of the heart is:
Carditis
The chamber of the heart with the thickest walls is the:
Left ventricle
Which ECG pattern represents the repolarization of the ventricles?
T wave
Which ECG pattern represents the depolarization of the atria?
P wave
Leakage of the valve between the right atrium and right ventricle is called:
Tricuspid insufficiency
The color blue may be expressed by the combining form:
cyan/o-
Retrosternal" means:
behind the sternum
The internal muscular wall that divides the heart into the right and left side is the:
septum
Which of the following are signs of congestive heart failure?
pulmonary congestion, enlarged heart, and hepatic congestion
The heart is located:
mostly to the left of the midline of the sternum
The innermost layer of the heart is called the:
endocardium
In the pumping action of the heart:
atrial systole precedes ventricular systole
The heart valves are arranged with the:
tricuspid and pulmonary semilunar valves on the right side of the heart
A condition in which a heart valve is narrower than normal, slowing blood flow from a heart chamber, is called:
a stenosed valve
The first heart sound is the closing of the:
tricuspid and mitral valves
The pulmonary vein returns oxygen-rich blood to the:
left atrium
Chest pain that occurs when the myocardium is deprived of adequate oxygen is called:
angina pectoris
The volume of blood ejected from the ventricles during each beat is called:
stroke volume
The correct sequence for the conducting system is:
Sinoatrial node, AV node, bundle of His, Purkinje fibers
A condition in which the left side of the heart is unable to pump blood efficiently is called:
congestive heart failure
The primary function of the cardiovascular system is;
transportation of materials
The mitral valve:
prevents blood flowing backward into left atrium and is the bicuspid valve
A "heart attack" is known as:
myocardial infarction
The blood vessels that carry blood away from the heart are the:
arteries
The blood vessels that carry blood toward the heart are the:
veins
The layer of the arteries and veins that contains smooth muscle tissue is the:
tunica media
An inflammation of a vein is called:
phlebitis
Which of the following assists in moving venous blood back to the heart?
contraction of skeletal muscles, changing pressure in the chest by breathing and a one way valve system
The heart is supplied with blood by:
arteries that branch directly from the aorta
The contraction of the heart is known as:
Systole
Recording of the electrical activity of the heart is known as:
ECG and EKG
A heart rhythm that is regular and follows the natural conduction system is
Normal sinus rhythm