Scheda di esercizi di Farmacologia con soluzioni

Donepezil, used in Alzheimer's disease, belongs to which class?

1. ASelective serotonin reuptake inhibitors
2. BDopamine agonists
3. CAcetylcholinesterase inhibitors
4. DBenzodiazepines

Che cos'è un placebo?

1. AUn nuovo farmaco non ancora approvato
2. BUn farmaco somministrato a metà della dose normale per ridurre gli effetti collaterali negli studi
3. CUn trattamento inattivo che può comunque produrre effetti attraverso l'aspettativa
4. DUn farmaco attivo solo nel gruppo placebo

What is a "superinfection" during antibiotic treatment?

1. AAn infection that spreads from one patient to another on the ward
2. BA very severe form of the original infection
3. CAn infection that is cured by a single antibiotic dose
4. DA new infection because normal body flora are disturbed

Bethanechol may be used for non-obstructive urinary retention. How does it work?

1. AIt shrinks the prostate gland
2. BIt blocks muscarinic receptors and relaxes the bladder wall muscle
3. CIt increases urine production in the kidney
4. DIt stimulates muscarinic receptors and contracts the bladder muscle

Which adverse effect is a well-known risk of zidovudine?

1. AGum overgrowth
2. BRed–green colour blindness
3. COrange-red colouring of the urine and tears
4. DBone marrow suppression, especially anaemia

Come allevia l'angina la nitroglicerina (GTN)?

1. AAumenta la forza di contrazione, così il cuore pompa il sangue in modo più efficiente
2. BLibera ossido nitrico, che dilata soprattutto le vene e riduce il lavoro cardiaco
3. CScioglie il coagulo nell'arteria coronaria
4. DBlocca i recettori beta-1 e rallenta il cuore

Ten days after chemotherapy, a patient has a temperature of 38,5 °C (101,3 °F) but says she feels fine. What should happen?

1. AUrgent cultures and IV broad-spectrum antibiotics without delay
2. BParacetamol at home and review at the next routine clinic visit
3. CStart oral antibiotics only if a rash develops
4. DWait 48 hours to see whether the fever settles

A patient with epilepsy needs pain relief. Why is tramadol used with caution?

1. AIt causes a sharp rise in blood glucose
2. BIt always causes respiratory arrest in epilepsy
3. CIt lowers the seizure threshold
4. DIt speeds up the metabolism of all antiepileptic drugs