Scheda di esercizi di Farmacologia con soluzioni

Why is carbidopa combined with levodopa?

1. AIt increases the breakdown of dopamine in the liver
2. BIt converts levodopa into dopamine inside the gut
3. CIt stops levodopa turning into dopamine outside the brain
4. DIt blocks dopamine receptors to reduce nausea in the brain

What is the purpose of the Z-track technique for intramuscular injections?

1. ATo avoid the need to clean the skin
2. BTo allow a larger volume to be given than with a standard injection
3. CTo make the injection faster
4. DTo stop the drug leaking back into the subcutaneous tissue

How does ezetimibe lower cholesterol?

1. AIt increases the excretion of cholesterol in the urine and bile
2. BIt reduces the absorption of cholesterol from the intestine
3. CIt binds bile acids in the gut
4. DIt inhibits HMG-CoA reductase in the liver

A prescriber gives a verbal medication order in an emergency. What should the nurse do?

1. ARemember it and write it in the chart at the end of the shift
2. BAsk another nurse to remember the order
3. CGive the drug without recording the order
4. DWrite it down and read it back to the prescriber to confirm

Benzathine benzylpenicillin (penicillin G benzathine) is ordered. Which route is correct?

1. AIntravenous push
2. BDeep intramuscular only
3. CIntravenous infusion over 30 minutes
4. DSubcutaneous in the abdomen

Why are benzodiazepines used with great caution in older people?

1. AThey cause permanent hearing loss in older people
2. BThey raise the risk of confusion, falls and fractures
3. CThey are not absorbed from the gut after age 65
4. DThey cause severe high blood pressure in older people

A nurse gave a patient ten times the prescribed dose of hydromorphone. The patient is currently alert. What is the most appropriate sequence of actions?

1. AMonitor closely, have naloxone ready, inform the prescriber and report
2. BGive another dose later to balance it out
3. CChange the chart so that it shows the correct dose, and continue to monitor
4. DSay nothing because the patient is alert

Il metotrexato per l'artrite reumatoide si assume una volta alla settimana. Un paziente per errore assume la stessa dose ogni giorno. Qual è il pericolo principale?

1. AGrave ipertensione da ritenzione idrica
2. BL'artrite peggiora a causa della tolleranza al farmaco
3. CIpoglicemia, perché il metotrexato stimola fortemente il rilascio di insulina
4. DMielosoppressione e mucosite da tossicità da metotrexato