HLT 250 EXAM QUESTIONS WITH CORRECT ANSWERS Update
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Course
HLT 250
Institution
HLT 250
HLT 250 EXAM QUESTIONS WITH CORRECT ANSWERS Update
What are the symptoms of left sided head failure? - Answer- Dyspnea, rales
What do cardiotonics do? - Answer- Improve efficiency and contraction of the heart and improve conduction in the heart
What is an example of a class 3 drug? - A...
HLT 250 EXAM QUESTIONS WITH
CORRECT ANSWERS 2024-2025
Update
What are the symptoms of left sided head failure? - Answer- Dyspnea, rales
What do cardiotonics do? - Answer- Improve efficiency and contraction of the heart and
improve conduction in the heart
What is an example of a class 3 drug? - Answer- Amiodarone
What do Class 4 drugs do? - Answer- Prevents calcium from entering heart cells, thus
slowing the impulse
What are examples of class 4 drugs? - Answer- Verapamil, diltiazem
What else can calcium channel blockers (class 4) do? - Answer- Vasodilate
What is essential hypertension caused by? - Answer- No known cause
What is secondary hypertension? - Answer- Hypertension with a known direct cause
What types of drugs are used to treat hypertension? - Answer- Vasodilators, beta
blockers, antiadrenergic drugs, alpha blockers, calcium channel blockers, ACE
inhibitors, angiotensin II inhibitors, diuretics
How do centrally acting antitussives work? - Answer- Depress the cough center in the
medulla
How do peripherally acting antitussives work? - Answer- Anesthetize stretch receptors
in respiratory passages
What is an example of a centrally acting antitussive? - Answer- Codeine and
dextromethorphan
What is an example of a peripherally acting antitussive? - Answer- Benzonatate
, What are antitussives mostly used for? - Answer- Nonproductive cough
What is a mucolytic? - Answer- A drug that loosens secretions
What is an expectorant? - Answer- A drug that helps respiratory secretions be coughed
up
What is an example of a mucolytic? - Answer- Acetylcysteine
What is an example of an expectorant? - Answer- Guaifensin
If a cough is caused by the common cold, which drug class is first line? - Answer- First
generation antihistamine
What are the symptoms of right sided heart failure? - Answer- JVD, dependent edema,
water rentention, liver enlargement
What is needed for lipids to be transported through the body? - Answer- Proteins
What is a high density lipoprotein? - Answer- Lipoproteins that don't dump excess lipids
into the blood but instead take it to the liver
What are the three categories of antihyperlipidemic drugs? - Answer- Bile acid
sequestrants, HMG-CoA reductase inhibitors, fibric acid derivatives
What do bile acid sequestrants do? - Answer- Bind to bile acid, which breaks down
lipids. No bile acid means the intestines can't absorb and store lipids
What are examples of bile acid sequestrants? - Answer- Cholestyramine, colestipol
When are bile acid sequestrants used? - Answer- Elevated serum cholesterol when
exercise and diet doesn't work
What do HMG CoA reductase inhibitors do? - Answer- Blocks an enzyme that catalyzes
cholesterol production
What are examples of HMG CoA reductase inhibitors? - Answer- Fluvastatin, lovastatin,
simvastatin
What do fibric acid derivatives do? - Answer- A few things but mostly turning low density
lipoproteins into higher density ones and causing lipids to be excreted in feces
What are the two miscellaneous antihyperlipidemics? - Answer- Ezetimbe (prevents
small intestine from absorbing cholesterol) and niacin
How does warfarin work? - Answer- Depletes a clotting factor called prothrombin
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