1.Dễ
Dobutamine is mainly used to:
- ADissolve clots in the coronary arteries
- BTreat high blood pressure at home
- CSlow the heart rate in fast atrial fibrillation with low blood pressure
- DIncrease heart contractility in cardiogenic shock or acute heart failure
2.Dễ
Oxytocin is used in obstetrics mainly to:
- AMature the fetal lungs before birth
- BStop preterm labour by relaxing the uterine muscle
- CLower blood pressure in pre-eclampsia
- DInduce or strengthen contractions and prevent postpartum bleeding
3.Dễ
Epoetin alfa, often used in chronic kidney disease, stimulates the production of:
- AClotting factors
- BWhite blood cells
- CPlatelets
- DRed blood cells
4.Trung bình
Which technique is correct when giving subcutaneous enoxaparin from a prefilled syringe?
- AMassage the site well for one minute after the injection
- BExpel the air bubble from the syringe first, then inject into the deltoid muscle
- CInject into a vein on the back of the hand
- DInject into the abdomen away from the navel and do not rub the site afterwards
5.Trung bình
A patient with diabetes is sweaty and shaky. Blood glucose is 3,0 mmol/L (54 mg/dL). The patient is awake and can swallow. What should the nurse do first?
- AGive the next scheduled dose of insulin
- BGive 15–20 g of fast-acting carbohydrate, such as juice
- CGive intramuscular glucagon at once
- DGive a large meal high in fat and protein to keep glucose up for longer
6.Trung bình
A patient with insulin-treated diabetes is found unconscious with very low blood glucose. There is no IV access. Which drug can a trained helper give?
- AIntramuscular adrenaline
- BGlucagon by injection or nasal spray
- CRapid-acting insulin under the skin
- DOral glucose gel poured into the mouth
7.Khó
A ventilated ICU patient receives vecuronium, a neuromuscular blocker. Why must sedation and pain relief also be given?
- ASedatives are needed to prevent vecuronium from causing seizures and agitation
- BVecuronium causes severe pain at the injection site
- CVecuronium stops working unless a sedative is also given
- DNeuromuscular blockers paralyse muscles but do not cause sedation or analgesia
8.Khó
Before starting rituximab, patients are tested for hepatitis B. Why?
- ARituximab is a vaccine against hepatitis B
- BRituximab is made from the hepatitis B virus
- CRituximab can reactivate hepatitis B and cause liver failure
- DHepatitis B infection makes rituximab completely ineffective
Đáp án
- 1. D · Increase heart contractility in cardiogenic shock or acute heart failure
- 2. D · Induce or strengthen contractions and prevent postpartum bleeding
- 3. D · Red blood cells
- 4. D · Inject into the abdomen away from the navel and do not rub the site afterwards
- 5. B · Give 15–20 g of fast-acting carbohydrate, such as juice
- 6. B · Glucagon by injection or nasal spray
- 7. D · Neuromuscular blockers paralyse muscles but do not cause sedation or analgesia
- 8. C · Rituximab can reactivate hepatitis B and cause liver failure
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