Drugs And CHD Flashcards
The pain felt with angina pectorals results from cardiac ischaemia, true or false
True
Nitro vasodilator only dilate arteries, true or false
False
An ideal ‘super pill’ proposed to reduce heart attack risks would contain paracetamol, a station and anti hypertensive, true or false
False
Dizziness when rising from a sitting position to standing is a common side effect experienced by patients when they have been taking GTN, true or false
True
The throbbing/pounding headache often seen as a side effect of GTN is due to increased cerebral blood flow, true or false
False
Nitrovasodilators are metabolised to produce nitrous oxide, true or false
False, produces nitric oxide
Statins cause a dose-dependent reduction in the concentration of total cholesterol and HDL cholesterol
False
GTN is rapidly metabolised by the liver
True
Caution must be taken when nitrovasodilators are administered to patients taking anti hypertensives and drugs such as sidenafil, true or false
True
Statins inhibit the enzyme HMG-COA reductase, true or false
True
What can cause a crushing pain in the chest that may radiate to the arm, back or jaw, most commonly on exertion?
Angina pectoris
Which way is GTN not administered
- Sublingual tablet
- Orally
- Nasal spray
- Transdermal patch
Orally
Do nitrovasodilators dilate arteries veins or both
Both
Where is nitric oxide usually present?
Made by the epithelium in blood vessels
What causes the throbbing headache associated with nitrovasodilators
Increased cerebral blood flow
Where does NO have the biggest effect?
Large veins
Which drugs MOA gives rise to NO in the cell which activates protein kinase G and reduces contractions
Nitrovasodilators GTN
True or false, LDL’s cycle cholesterol away from cells and back to the liver for reprocessing
False
Which drugs inhibit HMG-CoA reductase
Statins
Why is GTN often administered sublingually
To avoid the first pass effect in the liver
Why might aspirin cause stomach ulcers
Inhibits COX1 enzyme, decreasing the production of mucous which protects the stomach