EKG Chapter 4

What drugs decrease the speed of the electrical conduction in the heart therefore stabilizing the cardiac membrane by inhibiting automaticity?

?Sodium channel blockers

Which of the following is the rate a drug is absorbed or the degree at which a drug is absorbed into the body??

?Bioavailability

What type of drugs is intended to work by expanding the blood vessels and by preventing the chemical called angiotensin II to form??

?ACE inhibitors

What was the first recognized antiplatelet drug??

?Aspirin

What drug therapy can reduce hypertrophy, which is the thickening of the heart??

?ACE inhibitors

What medication is commonly prescribed to treat or improve chronic kidney disease and kidney failure manifested from diabetes??

Angiotensin II receptor blockers

Which of the following is the study of how the body metabolizes a drug and how the body distributes or excretes drugs??

?Pharmacokinetics

Drugs used to lower blood cholesterol come under a class of medications called ___________________.?

?antihyperlipidemics

What type of drugs can be administered to control an irregular heartbeat, premature (and/or) extra beat, and supraventricular or ventricular irregular beats??

?Antiarrhythmics

Heart disease is responsible for what percentage of deaths in the United States each year??

40%

Which of the following herbs may increase hypertension and heart rate, and decrease the effectiveness of antithrombotic agents??

?Ginseng

What type of medications are primarily used for patients suffering from a stroke and the blood clots originate in the heart, and for atrial fibrillation??

?Anticoagulant agents

Patients with blood pressure problems usually have high blood pressure, which is known as ____________.?

?hypertension

With heart failure, the heart will become enlarged, a condition known as_____________.?

?cardiomegaly

What drugs are often prescribed after a person suffers a myocardial infarction because the medication relieves stress on the heart muscle by reducing the force of a heartbeat??

?Beta blockers

Which drug can be prescribed for people who have a normal blood pressure but suffer from acute heart failure and cannot tolerate ACE inhibitors??

?Vasodilators

Which of the following is used by the liver to create clotting factors??

?Vitamin K

Which of the following occurs somewhere within the heart's conduction system, such as the SA or AV node??

Bradyarrhythmia

Medications prescribed to affect blood clotting are called _____________ agents.?

?antithrombotic

What type of interaction occurs when a drug counteracts with another drug, herb, vitamin or food that provides a similar effect to the body?

?Pharmacodynamic

When the therapeutic level of digoxin increases due to a drug to drug interaction, the result can be_____________.?

irregular heart rhythms

What is it called when a person becomes lightheaded or even faints and the heart is beating too slowly??

Syncope

?When the blood clot reduces blood flow in the brain, it is called a ___________________.

?transit ischemic attack

What is caused by electrical signals that produce a quiver, not a contraction, in the heart muscles of the atria or ventricles??

Fibrillation

What drugs are prescribed to treat angina, or chest pain, caused by blocked or constricted arteries and veins of the heart??

?Vasodilators

What is the food that poses the most known danger for some cardiovascular medications??

?Natural licorice

To prevent medication side effects, the beverage that should be avoided with most medications is _____________.?

?alcohol

Which chemical creates cardiac cell contractions??

?Calcium

Which drug type blocks a liver enzyme that produces LDL (bad) cholesterol??

?Statins

What hormone is responsible for regulating sodium and water balance in the body??

?Angiotensin

What herb increases the toxicity when it interacts with aspirin and other antiplatelet drugs by increasing the toxicity of the drug??

?Ginkgo

Which of the following binds to receptors in the blood vessels causing the blood vessels to constrict??

?Angiotensin II

The___________ is a combination of the drug dose administered and how the body metabolizes the drug.?

?target concentration

?What drug slows nerve impulses within the heart, which in turn decreases heart rate and oxygen requirements?

Potassium channel blockers

What type of diuretics is often used in emergencies when a person has evidence of fluid overload??

?Loop