ورقة عمل القيم المخبرية والشوارد مع الإجابات

What is the purpose of a type and crossmatch before a transfusion?

1. ATo check that donor blood is compatible with the patient's blood
2. BTo test the donor blood for bacterial contamination only
3. CTo find out how quickly the patient's blood forms a clot
4. DTo measure how much iron is stored in the patient's bone marrow

What is a typical adult reference range for serum chloride?

1. AAbout 98–106 mEq/L
2. BAbout 22–28 mEq/L
3. CAbout 3,5–5,0 mEq/L
4. DAbout 135–145 mEq/L

What is the main role of fibrinogen in the blood?

1. AIt transports iron from the gut to the bone marrow
2. BIt carries oxygen from the lungs to the body tissues
3. CIt breaks down clots once the bleeding has stopped
4. DIt is converted to fibrin, which forms the mesh of a clot

A pregnant woman's blood type is O Rh-negative, and her antibody screen (indirect Coombs test) is negative. What is usually offered at about 28 weeks?

1. ADaily oral iron and folic acid supplements only
2. BAn IV dose of vitamin K given for the fetus
3. CA transfusion of group O Rh-positive red cells
4. DAnti-D immunoglobulin (Rho(D) immune globulin)

A patient on a heparin infusion has an aPTT below the target range on the protocol. What should the nurse do?

1. ASwitch the infusion to oral warfarin without a prescription
2. BStop the infusion and give protamine sulfate as quickly as possible
3. CContinue the same rate and recheck the aPTT in a few days
4. DAdjust the rate as the protocol directs and recheck as scheduled

A young adult with new diabetes has a very low C-peptide level. What does this suggest?

1. AThe kidneys are excreting all of the patient's insulin in urine
2. BThe pancreas is making very little insulin, as in type 1 diabetes
3. CThe patient has high insulin resistance, as in type 2 diabetes
4. DThe patient is injecting too much insulin and needs a lower dose

After a crush injury, a patient's urine dipstick is strongly positive for blood, but microscopy shows almost no red cells. CK is very high. What best explains this?

1. AThe sample was contaminated with menstrual blood
2. BA kidney stone is scraping the ureter lining
3. CMyoglobin from damaged muscle is in the urine
4. DBleeding is coming from the bladder lining

لماذا قد يكون الكرياتينين الطبيعي مضللًا لدى مسن ضعيف كتلته العضلية منخفضة؟

1. Aالكرياتينين الطبيعي يثبت دائمًا أن وظيفة الكلى طبيعية
2. Bلا تعتمد مستويات الكرياتينين على الكتلة العضلية إطلاقًا
3. Cكرياتينين المسنين أعلى دائمًا من كرياتينين الأصغر سنًا
4. Dالعضلات الأقل تنتج كرياتينين أقل، فيخفي ذلك انخفاض وظيفة الكلى