1.やさしい
Which vessels carry oxygenated blood from the lungs to the heart?
- AThe pulmonary arteries
- BThe pulmonary veins
- CThe venae cavae
- DThe coronary sinus
2.やさしい
What is the pleura?
- AThe tiny air sacs at the ends of the airways where gas exchange happens
- BThe cartilage rings of the trachea
- CA double membrane lining the lungs and the inner chest wall
- DThe dome-shaped muscle that separates the chest from the abdomen
3.やさしい
What does the term "afterload" describe?
- AThe time the heart takes to relax after each beat
- BThe volume of blood returning to the right atrium each minute
- CThe resistance the ventricle must overcome to eject blood
- DThe stretch of the ventricle before it contracts
4.ふつう
How do clopidogrel and ticagrelor work?
- AThey dissolve fibrin in existing clots
- BThey block the platelet ADP (P2Y12) receptor
- CThey inhibit the vitamin K-dependent clotting factors in the liver
- DThey directly inhibit thrombin in the plasma
5.ふつう
How is a patient usually positioned for a thoracentesis?
- AProne with the arms by the sides
- BLying on the affected side with the head down
- CFlat on the back with the legs raised
- DSitting upright and leaning forward over a table
6.ふつう
Why should a long-acting beta-2 agonist (LABA) never be used alone in asthma?
- AIt works only when it is taken together with a course of antibiotics
- BWithout an inhaled steroid, it is linked with severe and fatal attacks
- CIt always causes immediate severe bronchospasm when used on its own
- DIt cannot be inhaled without a nebuliser
7.むずかしい
During CPR on an adult, a nurse notices a colleague compressing at about 140/min and leaning on the chest between compressions. Which correction is most appropriate?
- APress more gently, to a depth of about 2 cm
- BSlow to 100–120/min and allow full chest recoil
- CSpeed up to about 160/min to improve the blood flow
- DStop compressions until a pulse is felt
8.むずかしい
After positive end-expiratory pressure (PEEP) is increased on a ventilated patient, the blood pressure falls. What is the most likely reason?
- AHigher chest pressure reduces venous return to the heart
- BPEEP lowers the blood oxygen level
- CPEEP directly weakens the heart muscle and its contraction
- DPEEP causes immediate blood loss from the alveolar capillaries
解答
- 1. B · The pulmonary veins
- 2. C · A double membrane lining the lungs and the inner chest wall
- 3. C · The resistance the ventricle must overcome to eject blood
- 4. B · They block the platelet ADP (P2Y12) receptor
- 5. D · Sitting upright and leaning forward over a table
- 6. B · Without an inhaled steroid, it is linked with severe and fatal attacks
- 7. B · Slow to 100–120/min and allow full chest recoil
- 8. A · Higher chest pressure reduces venous return to the heart
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