1.やさしい
Venlafaxine belongs to which class of antidepressants?
- AMonoamine oxidase inhibitors
- BSerotonin–noradrenaline reuptake inhibitors (SNRIs)
- CTricyclic antidepressants
- DSelective serotonin reuptake inhibitors (SSRIs)
2.やさしい
In Addison's disease, fludrocortisone is given to replace which hormone?
- AThyroxine
- BAldosterone
- CAdrenaline
- DCortisol
3.やさしい
Why is adrenaline (epinephrine) sometimes added to a local anaesthetic injection?
- AIt makes the anaesthetic act on the brain as well
- BIt speeds up the removal of the anaesthetic from the tissue into the blood
- CIt prevents allergic reactions to the anaesthetic
- DIt constricts vessels, so the block lasts longer and less enters the blood
4.ふつう
部分作動薬を高用量の完全作動薬と一緒に投与します。反応はどうなりますか?
- A部分作動薬が受容体を奪い合うため、低下する
- B高用量の完全作動薬だけのときとまったく同じままである
- C両方の薬が受容体を活性化するため、2 倍になる
- D完全作動薬の最大値を超えて上昇する
5.ふつう
A patient with Addison's disease on hydrocortisone develops a fever with flu. What is the usual advice?
- AMake no change, as illness does not affect cortisol needs
- BHalve the hydrocortisone to reduce side effects
- CStop the hydrocortisone until the fever settles, to let the body recover
- DIncrease the dose as instructed (sick-day rules) and seek help if vomiting
6.ふつう
A patient takes theophylline for COPD. Which advice is most important?
- ATake extra doses when short of breath
- BDrink plenty of grapefruit juice each morning to improve absorption
- CAvoid potassium-rich foods such as bananas
- DLimit coffee, tea and cola, because caffeine adds to the side effects
7.むずかしい
A patient on long-term lithium passes large amounts of dilute urine and is always thirsty. What is the most likely explanation?
- AThe patient is drinking too much and lithium is unrelated
- BLithium causes type 1 diabetes by destroying the pancreatic beta cells
- CLithium blocks the kidney's response to ADH (nephrogenic diabetes insipidus)
- DLithium increases ADH release from the pituitary
8.むずかしい
A patient is switched from oral to intravenous morphine. Why is the IV dose lower than the oral dose?
- AIV morphine is excreted much more slowly by the kidney than oral morphine
- BThe oral route causes tolerance faster than the IV route
- CIV morphine is a stronger chemical form of the drug
- DOral morphine has a large first-pass effect, so less reaches the blood
解答
- 1. B · Serotonin–noradrenaline reuptake inhibitors (SNRIs)
- 2. B · Aldosterone
- 3. D · It constricts vessels, so the block lasts longer and less enters the blood
- 4. A · 部分作動薬が受容体を奪い合うため、低下する
- 5. D · Increase the dose as instructed (sick-day rules) and seek help if vomiting
- 6. D · Limit coffee, tea and cola, because caffeine adds to the side effects
- 7. C · Lithium blocks the kidney's response to ADH (nephrogenic diabetes insipidus)
- 8. D · Oral morphine has a large first-pass effect, so less reaches the blood
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