Question

match each erythrocyte disorder to its cause or definition.
labels ①
drop zones
reset all
due to cancer of
the erythropoietic
cells in the red
bone marrow
can result from
dehydration
occurs when
stomach glands fail
to produce intrinsic
factor
primary polycythemia
(1/6)
pernicious anemia
(2/6)
iron deficiency
anemia (3/6)

Explanation:

1. Primary Polycythemia: Caused by cancer of erythropoietic cells in red bone marrow (uncontrolled production of RBCs). So the label "Due to cancer of the erythropoietic cells in the red bone marrow" matches Primary Polycythemia.
2. Pernicious Anemia: Occurs when stomach glands fail to produce intrinsic factor (needed for vitamin B12 absorption, leading to megaloblastic anemia). So the label "Occurs when stomach glands fail to produce intrinsic factor" matches Pernicious Anemia.
3. Iron Deficiency Anemia: Dehydration can cause relative polycythemia (not directly iron - related, but the other labels don't fit. Wait, correction: Dehydration leads to hemoconcentration, but for the given labels, the remaining label "Can result from dehydration" would be a misnomer? Wait no, maybe the question's drop zones and labels: Wait, Primary Polycythemia (also called polycythemia vera) is due to bone marrow cancer (erythropoietic cell cancer). Pernicious Anemia is due to lack of intrinsic factor. Iron Deficiency Anemia is due to iron lack, but the label "Can result from dehydration" – maybe a mistake, but following the matching:

• Primary Polycythemia ↔ Due to cancer of the erythropoietic cells in the red bone marrow
• Pernicious Anemia ↔ Occurs when stomach glands fail to produce intrinsic factor
• Iron Deficiency Anemia: Wait, no, the third label "Can result from dehydration" – maybe the question has a typo, but assuming the matching:
• Primary Polycythemia: "Due to cancer of the erythropoietic cells in the red bone marrow"
• Pernicious Anemia: "Occurs when stomach glands fail to produce intrinsic factor"
• The remaining label "Can result from dehydration" – maybe a wrong label, but if we have to match:
• Primary Polycythemia: Cause - cancer of erythropoietic cells in red bone marrow
• Pernicious Anemia: Cause - no intrinsic factor (stomach glands fail)
• Iron Deficiency Anemia: Not directly related to dehydration, but maybe the question's structure. Alternatively, maybe the "Can result from dehydration" is a distractor, but based on known pathophysiology:
• Primary Polycythemia: label 1 (cancer of erythropoietic cells)
• Pernicious Anemia: label 3 (stomach glands no intrinsic factor)
• Iron Deficiency Anemia: no, wait the third label "Can result from dehydration" – maybe the question meant relative polycythemia, but in the given options, we match as per the definitions.

Answer:

• Primary Polycythemia: Due to cancer of the erythropoietic cells in the red bone marrow
• Pernicious Anemia: Occurs when stomach glands fail to produce intrinsic factor
• Iron Deficiency Anemia: Can result from dehydration (note: this is a less accurate match, likely a question - specific structure)