ATI RN
Hematology Final Exam Questions Pdf Questions
Question 1 of 5
Lupus anticoagulants usually affect the following laboratory test
Correct Answer: B
Rationale: Lupus anticoagulants prolong PTT (B) by interfering with phospholipid-dependent clotting, not BT (A), PT (C), TT (D), or clot solubility (E).
Question 2 of 5
Microthrombocytes are MOST likely to be seen in
Correct Answer: C
Rationale: WAS (C) features small (micro) platelets due to cytoskeletal defects, unlike ITP (A, large), Bernard-Soulier (B, giant), Glanzmann’s (D), or type 2B vWD (E).
Question 3 of 5
You are evaluating a 7-year-old male child with cervical lymphadenopathy; the MOST likely finding that raise your suspicion of malignancy is
Correct Answer: C
Rationale: Fixed nodes (C) suggest malignancy (e.g., lymphoma) by indicating infiltration, more than matted (A), fluctuant (B), symptoms (D), or duration (E), which are less specific.
Question 4 of 5
Of the following, the LEAST likely feature of Bernard-Soulier syndrome is
Correct Answer: B
Rationale: Bernard-Soulier syndrome (BSS) is autosomal recessive (A), with giant platelets (C), abnormal ristocetin (D), and transfusion as therapy (E). Severe thrombocytopenia (B) is less consistent, as counts are moderately low.
Question 5 of 5
A 5-year-old child, with hemophilia A of severe type, presents to the emergency unit with a groin pain after a minor trauma to his back; his blood pressure is $60 / 30 \mathrm{~mm} \mathrm{Hg}$; his pulse rate is $180 / \mathrm{min}$; he holds his right hip in a flexion position with internal rotation. Of the following, the NEXT step in the management of this child is
Correct Answer: A
Rationale: Severe hemophilia A with shock and iliopsoas bleed signs requires immediate factor VIII replacement (A) to stop bleeding, before DDAVP (B, mild cases), assay (C), or imaging (D, E).