1.Dễ
Oxytocin is used in obstetrics mainly to:
- AStop preterm labour by relaxing the uterine muscle
- BLower blood pressure in pre-eclampsia
- CInduce or strengthen contractions and prevent postpartum bleeding
- DMature the fetal lungs before birth
2.Dễ
Which vitamin reverses the effect of warfarin?
- AVitamin E
- BVitamin B12
- CVitamin K
- DVitamin C
3.Dễ
Which intramuscular site is recommended for infants?
- ADeltoid
- BVastus lateralis (outer thigh)
- CDorsogluteal (upper outer buttock)
- DVentral forearm
4.Trung bình
Why is IV promethazine given with great caution?
- AIt is a strong opioid that causes addiction
- BIt can cause severe tissue injury if it leaks or enters an artery
- CIt causes a severe rise in blood pressure when it is given intravenously
- DIt causes immediate kidney failure
5.Trung bình
Why are benzodiazepines used with great caution in older people?
- AThey cause permanent hearing loss in older people
- BThey cause severe high blood pressure in older people
- CThey are not absorbed from the gut after age 65
- DThey raise the risk of confusion, falls and fractures
6.Trung bình
Why is aspirin avoided in children and teenagers with viral illnesses such as flu or chickenpox?
- AIt causes grey baby syndrome
- BIt stops the vaccine from working
- CIt is linked to Reye's syndrome, which harms the liver and brain
- DIt causes severe, permanent hearing loss in young children
7.Khó
A patient taking azathioprine is prescribed allopurinol for gout. What is the main danger?
- ASevere hypertension from the combination
- BLiver enzyme induction, making azathioprine ineffective
- CSevere bone marrow suppression, because azathioprine breakdown is reduced
- DGout becomes worse because allopurinol is inactivated by azathioprine
8.Khó
A patient with latent tuberculosis feels well and is not infectious. Why is treatment such as isoniazid still offered?
- ATo produce a negative skin test quickly
- BTo cure an active lung infection
- CTo prevent progression to active TB later
- DTo stop the patient spreading TB at the moment
Đáp án
- 1. C · Induce or strengthen contractions and prevent postpartum bleeding
- 2. C · Vitamin K
- 3. B · Vastus lateralis (outer thigh)
- 4. B · It can cause severe tissue injury if it leaks or enters an artery
- 5. D · They raise the risk of confusion, falls and fractures
- 6. C · It is linked to Reye's syndrome, which harms the liver and brain
- 7. C · Severe bone marrow suppression, because azathioprine breakdown is reduced
- 8. C · To prevent progression to active TB later
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