UAMS_HEME_LAB_PRACTICAL_3_ACTUAL_TEST_PAPER_2026_QUESTIONS_WITH.pdf

UAMS HEME LAB PRACTICAL 3
ACTUAL TEST PAPER QUESTIONS
WITH SOLUTIONS GRADED A PLUS

◉ PTT reference range. Answer: 25-35


◉ Fibrinogen reference range. Answer: 220-498


◉ Thrombin time reference range. Answer: <21 seconds


◉ Bleeding time reference range. Answer: 2-9 minutes


◉ Platelet count reference range. Answer: 150-450


◉ Vitamin K factors. Answer: II, VII, IX, X


◉ Consumable factors. Answer: I, V, VIII, XIII


◉ factors in aged serum. Answer: VII, IX, XI, XII


◉ factors in adsorbed plasma. Answer: I, V, VIII, XI, XII

,◉ If a PTT is prolonged, when mixed: corrects with aged serum but
not adsorbed plasma. Answer: suspected deficiency in factor IX


◉ If a PTT is prolonged, when mixed: corrects with adsorbed plasma
but not aged serum. Answer: suspected deficiency in factors I, V, or
VIII


◉ If a PTT is prolonged, when mixed: corrects with both aged serum
and adsorbed plasma. Answer: suspected deficiency of factors XI or
XII


◉ Extrinsic factors. Answer: III and VII


◉ Intrinsic factors. Answer: VIII, IX, XI, XII, HMWK, PreK


◉ Test for extrinsic pathway. Answer: PT


◉ test for intrinsic pathway. Answer: PTT


◉ what happens in the cascade after factor X is activated. Answer:
activates V

, ◉ What happens in the cascade after factor V is activated. Answer:
activates Prothrombin to Thrombin


◉ What does Thrombin mainly do in the cascade. Answer: turns
Fibrinogen to Fibrin


◉ What is the last step of the cascade. Answer: factor XIII stabilized
the fibrin


◉ Factor I. Answer: fibrinogen


◉ most factors get produced where. Answer: liver


◉ Test signifying a deficiency in factor I. Answer: prolonged TT


◉ Factor II. Answer: Prothrombin


◉ what test(s) would be affected by a deficiency in Factor II.
Answer: PT and PTT


◉ Factor III. Answer: Thromboplastin (Tissue factor)


◉ What factor can you not be deficient in. Answer: Factor III