ورقة عمل القيم المخبرية والشوارد مع الإجابات

What does a raised D-dimer level show?

1. AThe patient is taking too much warfarin
2. BThe platelet count is too low to stop bleeding
3. CFibrin clots are being formed and broken down in the body
4. DThe liver is no longer able to make clotting factors

أي شاردة هي الشاردة السالبة الرئيسية في السائل خارج الخلايا؟

1. Aالكلوريد
2. Bالفوسفات
3. Cالبوتاسيوم
4. Dالبيكربونات

What is the main role of platelets?

1. ATo form a plug at the site of vessel injury
2. BTo produce antibodies against bacteria and viruses
3. CTo carry oxygen and carbon dioxide in the blood
4. DTo break down old red cells in the spleen

أي تغير في تخطيط كهربية القلب يرتبط بنقص كالسيوم الدم؟

1. Aموجة دلتا بارزة
2. Bإطالة الفاصل QT
3. Cموجات T عالية مدببة
4. Dتقصير الفاصل QT

A patient on hemodialysis has an arteriovenous (AV) fistula in the left arm. Where should the nurse draw routine blood samples?

1. AFrom the right arm
2. BFrom the left hand
3. CFrom the fistula
4. DFrom the left wrist

Which change in clotting tests is normal in late pregnancy?

1. AFibrinogen and D-dimer rise
2. BaPTT doubles from baseline
3. CPlatelets rise above 600 × 10³/µL
4. DINR rises to about 3,0

A patient with heavy alcohol use and a poor diet has a hemoglobin of 10,1 g/dL (101 g/L), an MCV of 110 fL and a low red cell folate. Which explanation fits best?

1. AIron deficiency from slow, chronic bleeding in the gut
2. BFolate deficiency, made worse by a direct alcohol effect
3. CThalassemia trait inherited from one of the parents
4. DAnemia caused by long-standing chronic kidney disease

A patient without symptoms has a finger-stick glucose of 340 mg/dL (18,9 mmol/L). The previous values were normal, and the patient has just peeled an orange. What should the nurse do first?

1. AGive a correction dose of insulin for a glucose of 340 mg/dL
2. BHave the patient wash and dry their hands, then repeat the test
3. CReport the result as a new diagnosis of diabetes mellitus
4. DAsk the laboratory to measure HbA1c from the same drop of blood