ورقة عمل علم الأدوية مع الإجابات

What does "bacteriostatic" mean?

1. AThe drug stops bacteria multiplying without killing them directly
2. BThe drug kills bacteria directly by breaking down their cell wall
3. CThe drug kills viruses as well as bacteria
4. DThe drug prevents the patient's immune response

How does rasagiline help in Parkinson's disease?

1. AIt is converted directly into dopamine inside brain neurones
2. BIt blocks dopamine receptors in the brain
3. CIt blocks acetylcholine receptors in the gut
4. DIt inhibits MAO-B, so brain dopamine is broken down more slowly

What is drug synergism?

1. ATwo drugs together produce exactly the sum of their separate effects
2. BOne drug cancels out the effect of another drug
3. CA drug loses its effect after repeated doses
4. DTwo drugs together have a greater effect than the sum of each alone

A patient takes cholestyramine. How should other oral medicines be timed?

1. AMix them into the cholestyramine drink so they are taken together
2. BTake them 1 hour before or several hours after cholestyramine
3. CTake them all at the same time as cholestyramine
4. DTiming does not matter, as cholestyramine is not absorbed

Which adverse effects are typical of donepezil?

1. AHair loss and skin pigmentation
2. BNausea, diarrhoea and a slow heart rate
3. CWeight gain and high blood glucose
4. DDry mouth, constipation and a fast heart rate

A patient with diabetes is sweaty and shaky. Blood glucose is 3,0 mmol/L (54 mg/dL). The patient is awake and can swallow. What should the nurse do first?

1. AGive 15–20 g of fast-acting carbohydrate, such as juice
2. BGive intramuscular glucagon at once
3. CGive the next scheduled dose of insulin
4. DGive a large meal high in fat and protein to keep glucose up for longer

A man taking doxazosin for hypertension starts sildenafil for erectile dysfunction. What is the main risk?

1. ABronchospasm
2. BSevere hypertension and a pounding headache
3. CSymptomatic low blood pressure and fainting
4. DHyperkalaemia

A woman with epilepsy who takes an antiepileptic drug plans to become pregnant. Which advice is standard?

1. ANo change is needed, as antiepileptics carry no risk in pregnancy
2. BStop all antiepileptic drugs straight away as soon as she stops contraception
3. CTake folic acid before conception and seek specialist review of her medication
4. DAvoid folic acid because it lowers drug levels