Chapter 11
When a provider needs to assess the electrical activity of the heart, what type of test is ordered?
Electrocardiogram
When calculating the heart rate from the ECG recording, which method is the least accurate, and involves counting the number of P waves in a 6-second strip (30 large boxes) and multiplying by 10?
Which layer of the heart is in the middle and is the thickest layer, composed of cardiac muscles?
Myocardium
What type of shock occurs when a damaged heart cannot pump blood effectively and can be caused by a heart attack, arrhythmias, pulmonary embolism, or congestive heart failure?
What is the suffix that means “condition”?
-ia
When the electrical system of the heart stimulates myocardial cells, what cardiac activity occurs?
Depolorization
What type of abnormal rhythm occurs when the atria contract before they should for the next cardiac cycle?
Premature Atrial Contraction
What term refers to the waxy lesion, made up of cholesterol, fat, calcium, cells, and other substances, that builds up on the inner wall of an artery?
Atheroma
What type of blood vessel is described as a strong, stretchy, thick-walled vessel that carries blood from the heart and is involved with maintaining blood pressure?
Artery
Which prefix means “above” or “upon”?
epi
What type of lead measures the electrical activity among six specific points on the chest wall and a point within the heart?
Precordial
What type of cardiac test utilizes a radioactive substance to show the blood flow into the heart muscle during rest and activity?
Nuclear Stress Test
What is a normal blood pressure for adults?
120/80
What common blood disorder occurs when the blood does not have enough healthy red blood cells or enough hemoglobin?
Anemia
Which term means “pertaining to the cheek”?
buccal
What ECG machine setting regulates the speed of the paper during the recording?
What type of recording device records a patient’s ECG when the patient pushes the activation button?
Transtelephonic monitor
Which of the following is used to describe the liquid portion of whole blood?
Plasma
What simple handheld device is often used in the exam room to check the pulses in the extremities?
Doppler
Which body system delivers oxygen to cells and removes carbon dioxide?
Respiratory
Which of the following is used to describe an unwanted, erratic movement of the stylus on the paper caused by outside interference?
What type of cardiac test is performed to observe and record the patient’s cardiovascular response to measured exercise challenges?
Cardiac Stress Test
What type of hypertension is of unknown cause and develops with age?
Which of the following is used to describe an air bubble, blood clot, or foreign body that travels through the bloodstream and blocks a blood vessel?
Embolus
Which body cavity contains the heart, lungs, and trachea?
Thoracic