ورقة عمل علم الأدوية مع الإجابات

Venlafaxine belongs to which class of antidepressants?

1. ATricyclic antidepressants
2. BMonoamine oxidase inhibitors
3. CSelective serotonin reuptake inhibitors (SSRIs)
4. DSerotonin–noradrenaline reuptake inhibitors (SNRIs)

Which adverse effect of ethambutol requires vision checks?

1. APermanent dilation of the pupils
2. BBleeding in the back of the eye
3. COptic neuritis, with blurred vision and colour blindness
4. DCataracts that form within a few days of starting

Varenicline helps people stop smoking because it:

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

An Rh-negative mother gives birth to an Rh-positive baby. When is anti-D immunoglobulin usually given?

1. AOnly at the start of the next pregnancy
2. BAt least two weeks after the birth
3. CIt is not needed if the baby is Rh-positive
4. DWithin 72 hours after the birth

When does oseltamivir give the most benefit in influenza?

1. AOnly after symptoms have lasted at least one week
2. BOnly after a bacterial pneumonia has developed
3. CWhen started within 48 hours of the first symptoms
4. DAt any time, as the timing makes no difference

Why is IV promethazine given with great caution?

1. AIt is a strong opioid that causes addiction
2. BIt causes immediate kidney failure
3. CIt can cause severe tissue injury if it leaks or enters an artery
4. DIt causes a severe rise in blood pressure when it is given intravenously

يغيّر المضاد غير التنافسي (غير العكوس) منحنى الجرعة–الاستجابة عن طريق:

1. Aإزاحة المنحنى يسارًا
2. Bخفض الاستجابة القصوى
3. Cجعل المنحنى أشد انحدارًا دون تغييرات أخرى
4. Dإزاحة المنحنى يمينًا مع بقاء الحد الأقصى نفسه

Which statement correctly contrasts donepezil and memantine in Alzheimer's disease?

1. ABoth drugs remove amyloid plaques from the brain
2. BBoth drugs are dopamine agonists that differ only in their half-lives
3. CDonepezil blocks NMDA receptors; memantine inhibits acetylcholinesterase
4. DDonepezil inhibits cholinesterase; memantine blocks NMDA receptors