ورقة عمل القيم المخبرية والشوارد مع الإجابات

Which drug commonly causes a low serum potassium?

1. ASpironolactone
2. BFurosemide
3. CAmiloride
4. DLisinopril

What is the usual target INR for a patient taking warfarin for a deep vein thrombosis?

1. A1,0–1,5
2. B0,8–1,2
3. C4,0–5,0
4. D2,0–3,0

A low mean corpuscular volume (MCV) means that:

1. AThe bone marrow is making too many white cells
2. BThe red cells are smaller than normal (microcytic)
3. CThe red cells contain more hemoglobin than normal
4. DThe red cells are larger than normal (macrocytic)

A patient with chronic kidney disease receives an erythropoiesis-stimulating agent such as epoetin alfa. Which assessments are most important?

1. ASerum amylase and lipase
2. BLiver enzymes and bilirubin
3. CSerum glucose and ketones
4. DHemoglobin and blood pressure

A patient is scheduled for a liver biopsy. Which laboratory results should the nurse check before the procedure?

1. APlatelet count and PT/INR
2. BSerum sodium and chloride
3. CHbA1c and lipid panel
4. DTSH and free T₄

A patient receives repeated nebulized albuterol (salbutamol) for severe asthma. Which laboratory change should the nurse watch for?

1. AA rise in serum calcium
2. BA fall in serum potassium
3. CA rise in serum sodium
4. DA fall in blood glucose

A patient has a continuous heparin infusion for a pulmonary embolism. A new nurse plans to adjust the infusion using today's INR of 1,1. What should the experienced nurse explain?

1. AHeparin needs no laboratory monitoring once the infusion is started
2. BThe INR of 1,1 means the heparin rate must be doubled at once
3. CHeparin is adjusted using the aPTT or anti-Xa level, not the INR
4. DThe INR is the correct test, and 1,1 means heparin is therapeutic

مريض يتناول الديجوكسين مستواه 1,2 ng/mL وبوتاسيومه 2,8 mEq/L ولديه نقلات بطينية متكررة جديدة. ما أفضل تفسير؟

1. Aيحتاج المريض إلى جرعة ديجوكسين أعلى للسيطرة على النظم
2. Bليس للبوتاسيوم أي تأثير في نظم القلب
3. Cالسمية محتملة، لأن انخفاض البوتاسيوم يزيد تأثير الديجوكسين
4. Dلا يمكن أن يكون الديجوكسين هو السبب، لأن المستوى ضمن المدى المعتاد