Coagulation Studies Quiz

What is a common reason for coagulopathies in ICU patients?

• Vitamin C deficiency

• Liver failure

• High blood pressure

• Dehydration

Which of the following is NOT a stage of coagulation?

• Formation of a fibrin plug

• Constriction of blood vessels

• Formation of a temporary platelet plug

• Activation of the immune system

What is the normal range for aPTT?

• 70-80 seconds

• 10-20 seconds

• 30-40 seconds

• 50-60 seconds

Which medication can lead to falsely high PT results?

• Aspirin

• Erythromycin

• Penicillin

• Doxycycline

What is fibrinogen also known as?

• Factor XII

• Factor I

• Factor V

• Factor X

Which test is heparin-specific?

• Anti-10a

• aPTT

• D-dimer

• PT

What is the normal value range for ACT?

• 200-300 seconds

• 150-200 seconds

• 70-120 seconds

• 30-60 seconds

Which condition is NOT associated with increased fibrinogen levels?

• Vitamin K deficiency

• Cancer

• Trauma

• Inflammatory conditions

What does a high D-dimer level indicate?

• Abnormal clotting

• Low blood sugar

• Dehydration

• Vitamin deficiency

What is the primary use of the D-dimer test?

• Detecting abnormal clotting

• Measuring blood pressure

• Assessing liver function

• Detecting abnormal bleeding