Refer to the Below Table of Laboratory Values When Answering
Question 1
Question 1
Multiple Choice
Refer to the below table of laboratory values when answering the following questions. Bleeding time (tem plate) Erythrocyte count Hematocrit Hem oglobin, blood Mean corpuscular hemoglobin 25.4−34.6pg/cell Mean corpuscular hemoglobin concentration Mean corpuscular volume Reticulocyte count Platelet count Leukocyte count and differential Leukocyte count Neutrophils Eosinophils Basophils Lymphocytes Monocytes Partial thromboplastin time (activated) Prothrombin time Bleeding time 2−7 minutes Male: 4.3−5.9million/uL Female: 3.5−5.5million/uL Male: 41%−53% Female: 36%−46% Male: 13.5−17.5g/dL Female: 12.0−16.0g/dL31%−36%Hb/cell80−100fL0.5%−1.5% of red cells 150,000−400,000/uL4500−11,000/uL54%−62%1%−3%0%−0.75%25%−33%3%−7%25−40 seconds 11−15 seconds 2−7 minutes -A healthy 3-year-old girl is brought to the emergency department because of severe uncontrolled nosebleed. She has a history of ear infections that have improved after treatment. Her temperature is elevated. She has numerous small bruises on her arms and legs. Her laboratory studies show the following: Hemoglobin Leukocyte count Reticulocyte count Platelet count 4.6g/dL3,000/mm30.1%12,000/mm3 Which of the following is the most likely explanation for these findings?
A) Anemia due to blood loss B) Aplastic anemia C) Sickle cell disease D) Mononucleosis
