Phiếu bài tập Nội–ngoại khoa: tim mạch và hô hấp có đáp án

What is the main role of the delay at the atrioventricular (AV) node?

1. AIt starts each heartbeat by firing faster than the SA node
2. BIt speeds the impulse to the ventricles so they beat sooner
3. CIt gives the ventricles time to fill before they contract
4. DIt closes the aortic valve

Where are AED pads usually placed on an adult?

1. ABelow the right collarbone and on the left side below the armpit
2. BBoth pads on the abdomen, just below the ribs on either side
3. CBoth pads on the back, side by side between the shoulder blades
4. DOn each upper arm

What is haemoptysis?

1. ABlood in the urine
2. BVomiting blood that comes from the stomach
3. CCoughing up blood from the lungs or airways
4. DBleeding from the nose that runs into the throat

Lời khuyên nào giúp phòng huyết khối tĩnh mạch sâu trong chuyến bay dài hoặc sau phẫu thuật?

1. ATập cử động cổ chân đều đặn và uống đủ nước
2. BĐeo dây thun chặt ngay dưới gối
3. CNgồi vắt chéo chân cho thoải mái
4. DUống ít nước để khỏi phải đứng dậy đi vệ sinh

Rheumatic heart disease most often follows which infection?

1. AA viral infection of the upper airway
2. BStaphylococcal infection of the skin
3. CA group A streptococcal throat infection
4. DA fungal infection of the lungs

A patient takes both digoxin and furosemide. Why does the nurse watch the potassium level closely?

1. ALow potassium makes digoxin stop working completely
2. BPotassium has no link with either medicine
3. CLow potassium increases the risk of digoxin toxicity
4. DHigh potassium is the main effect of furosemide

A one-way speaking valve is fitted to a patient's tracheostomy tube while the cuff is still inflated. What is the danger?

1. AThe patient cannot breathe out and may suffocate
2. BThe patient will speak too loudly
3. CThe valve will humidify the air too much
4. DThere is no danger, as the valve works with any cuff

An older inpatient develops sudden fever, muscle aches and a dry cough during the winter influenza season. Which plan is most appropriate?

1. AIsolate only if they develop a rash
2. BLeave them in the open bay and give a course of antibiotics only
3. CWait a week to see whether the symptoms settle before testing
4. DIsolate with droplet precautions, test and expect early antivirals