ورقة عمل القيم المخبرية والشوارد مع الإجابات

Which ECG change is linked to hypercalcemia?

1. AProminent U waves
2. BA prolonged QT interval
3. CTall, peaked T waves
4. DA shortened QT interval

What is the main effect of parathyroid hormone (PTH) on serum calcium?

1. AIt only changes urine calcium
2. BIt lowers serum calcium
3. CIt has no effect on calcium
4. DIt raises serum calcium

Serum amylase is less specific than lipase for pancreatitis because amylase also comes from:

1. AThe heart muscle
2. BThe thyroid gland
3. CThe salivary glands
4. DThe bone marrow

Which instruction is correct for a patient taking an oral potassium chloride supplement?

1. ATake it with food and a full glass of water, and do not crush extended-release tablets
2. BUse a salt substitute as well, so less of the tablet is needed each day
3. CCrush the extended-release tablets and mix them with a little water if needed
4. DTake it on an empty stomach with only a small sip of water to speed absorption

A patient receiving chemotherapy has an ANC of 300/µL and a new temperature of 38,3 °C (100,9 °F). What should the nurse do first?

1. AEncourage oral fluids and record the fever in the chart
2. BRemove extra blankets and offer a tepid sponge bath
3. CGive acetaminophen (paracetamol) and recheck the temperature in 4 hours
4. DReport it at once so cultures and antibiotics start quickly

Apart from the lithium level, which tests are monitored regularly in long-term lithium therapy?

1. ATroponin and creatine kinase (CK)
2. BINR and the platelet count
3. CLiver enzymes and serum amylase
4. DKidney function and thyroid function

A patient has fever, confusion, a platelet count of 15 × 10³/µL, anemia with fragmented red cells (schistocytes) and a raised creatinine. Clotting times are normal. Which condition should be suspected?

1. ADisseminated intravascular coagulation
2. BVitamin K deficiency with bleeding
3. CImmune thrombocytopenia (ITP)
4. DThrombotic thrombocytopenic purpura (TTP)

A patient started methimazole for hyperthyroidism 6 weeks ago and now has a fever and a severe sore throat. Which action is most important?

1. ACheck the TSH and double the dose if it is still low
2. BAdvise the patient to continue the drug and drink more fluid
3. CHold the drug and arrange an urgent white cell and neutrophil count
4. DGive the next dose and suggest warm salt-water gargles for comfort