If a Patient's Red Blood Cell Count Drops Below the Normal

question 43

Multiple Choice

If a patient's red blood cell count drops below the normal range of 3.6 ×
$10 ^ { 6 }$ cells/?l to 6.0 × $10 ^ { 6 }$ cells/?l , the patient is suffering from anemia. The red blood cell count of a patient is 2,100,000 cells/?l. Write this cell count in scientific notation. Is this patient anemic?

• A) 21,000,000 cells/?l; yes
• B) 2.1 × \(10 ^ { 6 }\) cells/?l; no
• C) 2.1 × \(10 ^ { 6 }\) cells/?l; yes
• D) 2.1 × \(10 ^ { 7 }\) cells/?l; no
• E) 2.1 × \(10 ^ { 5 }\) cells/?l; yes

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