1.Dễ
Which three signs make up Beck's triad in cardiac tamponade?
- AFever, a new heart murmur and splinter haemorrhages under the nails
- BLow blood pressure, distended neck veins and muffled heart sounds
- CHigh blood pressure, a slow pulse and irregular breathing
- DChest pain, ST elevation and raised troponin
2.Dễ
Which pain description is typical of an acute aortic dissection?
- ADull ache that slowly builds over several days
- BCramping calf pain that eases with a short rest
- CBurning pain after meals that eases with antacids
- DSudden, severe tearing pain that spreads to the back
3.Dễ
Alpha-1 antitrypsin deficiency is an inherited cause of which lung disease?
- AAsthma
- BPneumothorax
- CLung cancer
- DEmphysema
4.Trung bình
Which patient is most typical of a primary spontaneous pneumothorax?
- AA tall, thin young man who smokes
- BA child with a viral sore throat
- CAn older woman with long-standing heart failure
- DA middle-aged woman with high blood pressure
5.Trung bình
How do clopidogrel and ticagrelor work?
- AThey dissolve fibrin in existing clots
- BThey directly inhibit thrombin in the plasma
- CThey inhibit the vitamin K-dependent clotting factors in the liver
- DThey block the platelet ADP (P2Y12) receptor
6.Trung bình
A patient with a mechanical heart valve asks to switch from warfarin to apixaban. What is the correct response?
- AAspirin alone can replace warfarin once the valve has healed
- BDirect oral anticoagulants are not used for mechanical valves
- CMechanical valves do not need anticoagulation after the first month
- DAny anticoagulant works equally well once the valve is in place
7.Khó
On day 2 after a surgical tracheostomy, the tube falls out. The patient is breathing but distressed. What should the nurse do first?
- AForce the tube back through the stoma immediately with firm pressure
- BLeave the patient alone while fetching a new tube
- CCall for expert help and give oxygen to both the face and the stoma
- DCover the stoma completely with a sealed dressing and wait for help
8.Khó
Vì sao dùng làm ẩm với oxy lưu lượng cao?
- AKhí ẩm mang nhiều oxy hơn mỗi lít so với khí khô
- BKhí khô ở lưu lượng cao làm khô đường thở và đặc dịch tiết
- CHơi nước lọc vi khuẩn khỏi nguồn oxy
- DLàm ẩm ngăn ngộ độc oxy phát triển
Đáp án
- 1. B · Low blood pressure, distended neck veins and muffled heart sounds
- 2. D · Sudden, severe tearing pain that spreads to the back
- 3. D · Emphysema
- 4. A · A tall, thin young man who smokes
- 5. D · They block the platelet ADP (P2Y12) receptor
- 6. B · Direct oral anticoagulants are not used for mechanical valves
- 7. C · Call for expert help and give oxygen to both the face and the stoma
- 8. B · Khí khô ở lưu lượng cao làm khô đường thở và đặc dịch tiết
Lời giải đầy đủ từng bước: hãy luyện chủ đề này trên examproblems.com.