Test Red cell count (x10¹²/L) Haemoglobin (Hb) (g/L) Haematocrit (PCV) (ratio) Mean cell volume (MCV) (fL) Mean cell Hb (MCH) (pg) Mean cell Hb concentration (MCHC) (g/L) Reticulocytes (%) Platelets (x10⁹/L) White cell count (x10⁹/L) Patient result 2.2 x 10¹2/L 52 g/L 0.19 54 fL 18 pg 240 g/L 4.6% 384 x 10⁹/L 18 x 10⁹/L Reference range 3.8 - 5.5 130 - 170 0.31 -0.43 76.0 - 100.0 25.0 35.0 310- 350 0.5 - 3.1 140 - 450 6.0 16.0

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Question

A 2-year-old boy of Greek descent is admitted to the hospital with a fractured arm, leg and hepatosplenomegaly. There is also the presence of a bacterial infection. The patients' haematology results are shown below. 

  1. From the information provided, what is the most likely diagnosis for this patient?

     
    1. sickle cell trait

       
    2. sickle cell anaemia

       
    3. beta-thalassaemia trait

       
    4. alpha-thalassaemia major

       
    5. beta-thalassaemia major

       

 

 

Test
Red cell count (x10¹²/L)
Haemoglobin (Hb) (g/L)
Haematocrit (PCV) (ratio)
Mean cell volume (MCV) (fL)
Mean cell Hb (MCH) (pg)
Mean cell Hb concentration (MCHC) (g/L)
Reticulocytes (%)
Platelets (x10⁹/L)
White cell count (x10⁹/L)
Patient result
2.2 x 10¹2/L
52 g/L
0.19
54 fL
18 pg
240 g/L
4.6%
384 x 10⁹/L
18 x 10⁹/L
Reference range
3.8 - 5.5
130 - 170
0.31 0.43
76.0 100.0
25.0 35.0
310- 350
0.5 - 3.1
140 - 450
6.0 16.0
Transcribed Image Text:Test Red cell count (x10¹²/L) Haemoglobin (Hb) (g/L) Haematocrit (PCV) (ratio) Mean cell volume (MCV) (fL) Mean cell Hb (MCH) (pg) Mean cell Hb concentration (MCHC) (g/L) Reticulocytes (%) Platelets (x10⁹/L) White cell count (x10⁹/L) Patient result 2.2 x 10¹2/L 52 g/L 0.19 54 fL 18 pg 240 g/L 4.6% 384 x 10⁹/L 18 x 10⁹/L Reference range 3.8 - 5.5 130 - 170 0.31 0.43 76.0 100.0 25.0 35.0 310- 350 0.5 - 3.1 140 - 450 6.0 16.0
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Follow-up Question

Which of the following statements is most accurate for the 2-year-old patient with beta thalassemia major?

 
  1. treatment for this patient would comprise blood transfusions, erythropoietin, folate, vitamin C and an iron chelator

     
  2. treatment for this patient would comprise removal of the spleen, folate, vitamin C and a bone marrow transplant

     
  3. treatment for this patient would comprise removal of the spleen, blood transfusions, folate, vitamin C and an iron chelator

     
  4. treatment for this patient would comprise blood transfusions, folate, vitamin C and an iron chelator

     
  5. treatment for this patient would comprise blood transfusions, folate, vitamin D and a calcium chelator

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