Med-surg: cardiovascular & respiratory worksheet with answers

What is the main advantage of a Venturi mask?

1. AIt gives a fixed, precise oxygen concentration
2. BIt is the only mask that warms and humidifies the oxygen
3. CIt works without an oxygen supply
4. DIt gives 100% oxygen to the patient

What does an SpO₂ reading measure?

1. AThe oxygen level in the brain
2. BThe amount of carbon dioxide dissolved in the blood
3. CThe percentage of haemoglobin carrying oxygen
4. DThe total haemoglobin level

Which arrhythmia most increases the risk of ischaemic stroke?

1. ASinus tachycardia during exercise
2. BAtrial fibrillation
3. CSinus bradycardia in an athlete
4. DSinus arrhythmia

After a permanent pacemaker is inserted, which instruction is commonly given for the first few weeks?

1. AMassage the wound firmly twice a day
2. BKeep the arm completely still in a sling for six months or more
3. CDo not shower or wash at all for six weeks
4. DAvoid raising the arm on that side above shoulder height

Which advice is most helpful for a patient with Raynaud's phenomenon?

1. ATake a decongestant tablet before going outdoors
2. BKeep the whole body warm, wear gloves and stop smoking
3. CRub the fingers hard with snow during an attack
4. DSoak the hands in cold water to toughen the vessels

What is pulmonary rehabilitation in COPD?

1. ASupervised exercise and education that ease breathlessness
2. BSurgery to remove the most damaged areas of lung
3. CA lung function test repeated every six months
4. DA course of oral steroids and antibiotics given at home each winter

A patient with a tracheostomy suddenly becomes distressed, and a suction catheter will not pass down the tube. What should the nurse do first?

1. AIncrease the oxygen and wait
2. BInflate the cuff with more air
3. CRemove the inner cannula
4. DGive a nebulised bronchodilator

On day 6 of a heparin infusion, the platelet count has fallen by more than half and the patient has a new swollen arm. What should the nurse anticipate?

1. AStopping all anticoagulation for two weeks
2. BSwitching to LMWH because it is a different drug
3. CStopping all heparin and starting a non-heparin anticoagulant
4. DContinuing the heparin and giving a platelet transfusion