1.Dễ
Which structure is the heart's natural pacemaker?
- AThe sinoatrial (SA) node
- BThe atrioventricular (AV) node
- CThe Purkinje fibres
- DThe bundle of His
2.Dễ
Vì sao tăng huyết áp thường được gọi là "kẻ giết người thầm lặng"?
- ABệnh luôn gây đau đầu mà bệnh nhân học cách làm ngơ
- BBệnh thường không gây triệu chứng trong khi làm tổn thương các cơ quan
- CBệnh chỉ phát hiện được bằng xét nghiệm máu
- DBệnh chủ yếu xảy ra ban đêm khi ngủ
3.Dễ
Alpha-1 antitrypsin deficiency is an inherited cause of which lung disease?
- ALung cancer
- BEmphysema
- CAsthma
- DPneumothorax
4.Trung bình
Which investigation is most often used to confirm a pulmonary embolism?
- ASputum culture
- BPeak flow measurement
- CAbdominal ultrasound
- DCT pulmonary angiography
5.Trung bình
A patient with a mechanical heart valve asks to switch from warfarin to apixaban. What is the correct response?
- ADirect oral anticoagulants are not used for mechanical valves
- BAny anticoagulant works equally well once the valve is in place
- CMechanical valves do not need anticoagulation after the first month
- DAspirin alone can replace warfarin once the valve has healed
6.Trung bình
A patient's blood pressure is high in clinic but normal on home readings. Which step best confirms the diagnosis?
- AA chest X-ray
- BStarting two antihypertensive drugs at once at full dose
- CAmbulatory or structured home blood pressure monitoring
- DA single repeat reading in the same clinic visit
7.Khó
A nurse teaches a patient who is starting warfarin. Which statement shows a need for further teaching?
- A"I will have regular INR blood tests."
- B"I will tell my dentist that I take warfarin."
- C"If I miss a dose, I will take two the next day."
- D"I will check before taking any new medicines or herbal remedies."
8.Khó
A 74-year-old man with a known abdominal aortic aneurysm suddenly has severe back and abdominal pain. His heart rate is 128/min and BP 82/50 mmHg. What is the priority?
- ACall for emergency help and prepare for urgent vascular surgery
- BEncourage him to walk to ease the back pain
- CArrange a routine outpatient ultrasound scan of the aneurysm
- DGive oral analgesia and reassess the pain in an hour
Đáp án
- 1. A · The sinoatrial (SA) node
- 2. B · Bệnh thường không gây triệu chứng trong khi làm tổn thương các cơ quan
- 3. B · Emphysema
- 4. D · CT pulmonary angiography
- 5. A · Direct oral anticoagulants are not used for mechanical valves
- 6. C · Ambulatory or structured home blood pressure monitoring
- 7. C · "If I miss a dose, I will take two the next day."
- 8. A · Call for emergency help and prepare for urgent vascular surgery
Lời giải đầy đủ từng bước: hãy luyện chủ đề này trên examproblems.com.