EKG unit Two review

Which cells are specialized cells of the electrical Conduction system responsible for the spontaneous generation And conduction of electrical impulses

Pacemaker

The interior lining of the heart is called the

Endocardium

The primary pacemaker of the heart is

SA node

The pericardium is

The double walled sac that encloses the heart

Where are the BETA receptors located?

The heart

Select the (AV) Atrioventricular valves from the following

Tricuspid and mitral

The epicardium is-

The outermost layer of the heart

The structure that separates the right and left ventricles

Intraventricular septum

The mediastinum is-

The space between the lungs and the middle of the chest

Blood flows through the heart and the lungs in this order

Right atrium, right ventricle, lungs, left atrium, left ventricle, Aorta

Where in the body are waste products removed, and necessary substances like oxygen delivered

Exchange sites

In adequate oxygen supply to the body tissues, also known as

Hypoxia

A blood cell is called___when it is formed, and when___it moves from the original sites

thrombus, embolus

Coronary artery disease is marked by the buildup of the substance in the coronary arteries

Plaque

What condition is defined by chest pain that occurs when a patient is resting and not stressed

Unstable Angina

Cardiac output is

The amount of blood pumped by the heart

Cardiomyopathy can cause heart valve damage when blood

Backs up in the heart

Fluid buildup in the lungs occurs in which type of heart failure

Left sided congestive heart failure

The state of balance is stability achieved when the body is functioning at its best is called

Homeostasis

Which body system, circulates blood gases, and nutrients to cells and transports waste products away from cells

Cardiovascular system

Intercostal means

Between ribs

The mid clavicle line is an imaginary line passing through the midpoint of the___on the front of the body

Collarbone

What is another name for the cardiovascular system?

The circulatory system

The liquid portion of blood is called

Plasma

The protein that transports oxygen in the blood is called

Hemoglobin

The ___ are the smallest blood vessels in the body

Capillaries

alveoli are tiny, elastic sacks in the lungs. They are surrounded by capillaries attached to-

Bronchioles

What muscles contract during inhalation

Intercostal muscles

Which division of the automatic nervous system response when a person experienced stress or fear

The sympathetic nervous system

The ___is a protective layer around the heart and also contains the coronary arteries

Epicardium

The endocardium promotes blood flow and prevents clotting for this reason

It is smooth and elastic

Oxygenated blood is pumped out of the heart through which structure

The aorta

How is oxygen delivered to the heart muscle?

Oxygenated blood is carried to the heart muscle through the coronary arteries

What do most arteries carry?

Oxygenated blood

In which direction do veins carry blood

Toward the heart

The upper chambers of the heart are called the

Atria

Backflow is another word For ___a result of heart valve disease

Regurgitation

One risk of heart valve disease is an elevated risk for

Blood clots

What dangerous disorder can be caused when blood clots block vessels leading to the brain

Cerebrovascular accident

A consistent blood pressure reading of 140/90 is considered

Hypertension

Swelling of fluid buildup in the tissue is called

Edema

The upper chambers of the heart are called

Adria

The microscopic valve is also called the

Mitral valve

The heart rate is influenced by the

Automatic nervous system

A vein is said to be occluded when it is

Plugged up

Disorders related to in adequate blood supply include

angina pectoris and MI

The definition of syncope is

Loss of consciousness

Which of the following terms is a condition in which the heart is unable to pump out all of the blood that has returned to it, causing a backing up of blood in the vein leading to the heart

Congestive heart failure

Which of the structures maintain the control and forward movement of blood flow through the heart

Valves

The ___ supplies, the right atrium and ventricle with blood

Right coronary artery

The basic contractile unit of myofibril is the

SA node

The anterior surface of the heart consists primarily of the

Right ventricle

Three electrolytes that play an important role in cardiac conduction Include

Potassium, Calcium, and sodium

Patient ductus arteriosus is a

Congenital Disorder