ورقة عمل علم الأدوية مع الإجابات

Varenicline helps people stop smoking because it:

1. ABlocks dopamine receptors in the brain completely
2. BIs a form of nicotine absorbed slowly through the skin
3. CMakes cigarettes taste bitter
4. DIs a nicotinic partial agonist that reduces craving and reward

ما المقصود بالناهض (Agonist)؟

1. Aدواء يدمّر المستقبل
2. Bدواء يرتبط بالمستقبل ويحجبه
3. Cدواء يسرّع إطراحه الذاتي
4. Dدواء يرتبط بالمستقبل وينشّطه

ماذا تصف «نجاعة» الدواء (efficacy)؟

1. Aالتأثير الأقصى الذي يمكن أن يُحدثه الدواء
2. Bنسبة الجرعة المرتبطة ببروتينات البلازما
3. Cالجرعة اللازمة لإحداث نصف التأثير
4. Dسرعة امتصاص الدواء

A patient is starting lamotrigine. Which adverse effect should the patient report at once?

1. AMild headache on the first day
2. BAny new skin rash
3. CA brief change in taste
4. DSlight tiredness in the afternoon

Which assessment is most important before giving a dose of IV morphine?

1. ABlood glucose and temperature, checked before each dose
2. BRespiratory rate and level of sedation
3. CBowel sounds and urine colour
4. DPupil size and hearing

A child is starting methylphenidate for ADHD. Which advice is appropriate?

1. AGive the drug only at weekends
2. BGive doses early in the day and monitor appetite and growth
3. CExpect weight gain as the main side effect
4. DGive the last dose at bedtime to help the child sleep

A nurse calculates a child's dose and finds it is ten times higher than the usual range in the drug reference. What should the nurse do?

1. AGive one tenth of the dose without telling anyone
2. BGive half the dose as a compromise
3. CGive the dose, because the prescriber is responsible for the order
4. DWithhold it, recheck the calculation and clarify with the prescriber

Lithium taken in the first trimester of pregnancy has been linked to which type of birth defect?

1. ANeural tube defects such as spina bifida
2. BLimb defects similar to thalidomide
3. CCleft lip and palate only
4. DHeart malformations, such as Ebstein's anomaly