ورقة عمل القيم المخبرية والشوارد مع الإجابات

Which blood marker is the most specific for injury to the heart muscle?

1. ALactate dehydrogenase
2. BSerum myoglobin
3. CTotal creatine kinase
4. DCardiac troponin

What does the term pancytopenia mean?

1. AHigh red cells, white cells and platelets
2. BLow red cells with normal platelets
3. CHigh white cells with low platelets
4. DLow red cells, white cells and platelets

A positive hepatitis B surface antigen (HBsAg) test means:

1. AThe person has never met the virus
2. BThe person is immune from vaccination only
3. CThe person had hepatitis A in the past
4. DThe person currently has hepatitis B infection

During a red cell transfusion, when are serious acute reactions most likely, so the nurse stays with the patient?

1. AAfter about 2 hours
2. BAfter the last drop is given
3. CIn the first 15 minutes
4. DThe next morning

An older adult with chronic kidney disease starts trimethoprim-sulfamethoxazole for a urinary tract infection. Which electrolyte should be monitored closely?

1. ASodium, because the drug causes heavy sodium retention
2. BChloride, because the drug causes chloride loss
3. CCalcium, because the drug binds calcium in the gut
4. DPotassium, because trimethoprim can raise it

A stool test for Clostridioides difficile is ordered. Which sample is appropriate?

1. AA rectal swab from a patient with constipation
2. BA formed, hard stool sample
3. CAn unformed (liquid or soft) stool
4. DAny stool after a laxative dose

مريض بخثار وريدي عميق جديد على تسريب هيبارين، وبدأ الوارفارين للتو. لماذا يستمر الهيبارين عدة أيام؟

1. Aيزيد الهيبارين امتصاص الوارفارين من الأمعاء
2. Bيحتاج الوارفارين إلى عدة أيام ليبلغ تأثيره المضاد للتخثر الكامل
3. Cلا يعمل الوارفارين إلا عند إعطاء الهيبارين في الوقت نفسه
4. Dيمنع الهيبارين الآثار الجانبية للوارفارين

After lying on the floor for many hours, a patient has a CK of 40,000 U/L, a potassium of 6,1 mEq/L and dark urine. Which prescribed treatment is the priority?

1. ALarge-volume IV fluids with cardiac monitoring
2. BAn oral potassium supplement with each meal
3. CFluid restriction to protect the heart from overload
4. DHigh-dose NSAIDs for the muscle pain