Question 1

What is the normal range for red blood cell count in adult males?

Accepted Answer

4.7 to 6.1 million cells per microliter

Answer

3.5 to 5.5 million cells per microliter

Answer

5.5 to 7.5 million cells per microliter

Answer

4.0 to 5.0 million cells per microliter

Question 2

Which condition is indicated by a low red blood cell count?

Accepted Answer

Anemia

Answer

Thrombocytopenia

Answer

Polycythemia

Answer

Leukemia

Question 3

What is the primary function of red blood cells?

Accepted Answer

To transport oxygen throughout the body

Answer

To produce hormones

Answer

To fight infections

Answer

To aid in blood clotting

Question 4

What can cause an elevated red blood cell count?

Accepted Answer

Dehydration

Answer

Vitamin D deficiency

Answer

Iron overload

Answer

Excessive exercise

Question 5

Which laboratory test is commonly used to measure red blood cell count?

Accepted Answer

Complete Blood Count (CBC)

Answer

Liver Function Test

Answer

Urinalysis

Answer

Lipid Profile

Question 6

Which of the following factors can negatively impact red blood cell production?

Accepted Answer

Chronic kidney disease

Answer

Balanced nutrition

Answer

Regular exercise

Answer

Adequate hydration

Question 7

Which mineral is essential for the production of hemoglobin in red blood cells?

Accepted Answer

Iron

Answer

Calcium

Answer

Zinc

Answer

Sodium

Question 8

What is the typical lifespan of a red blood cell in the human body?

Accepted Answer

About 120 days

Answer

30 days

Answer

60 days

Answer

90 days

Question 9

What is the primary component of red blood cells that carries oxygen?

Accepted Answer

Hemoglobin

Answer

Myoglobin

Answer

Fibrinogen

Answer

Albumin

Question 10

Which condition is characterized by high levels of red blood cells and increased viscosity of blood?

Accepted Answer

Polycythemia vera

Answer

Sickle cell disease

Answer

Thalassemia

Answer

Iron deficiency anemia

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