Blood Basics
Red Blood Cells (RBCs)


🟡 CATEGORY 3: Anemia
Blood Types
White Blood Cells (WBCs)
100

This liquid portion of blood carries nutrients, gases, hormones, and proteins.

What is plasma?

100

Red blood cells are also known by this scientific name.

What are erythrocytes?

100

A low oxygen-carrying capacity of blood is known as this condition.

What is anemia?

100

This blood type is known as the universal donor.

What is type O?

100

White blood cells are also called this.

What are leukocytes?

200

 Blood makes up approximately this percentage of total body weight.

What is 7–9%?

200

The biconcave shape of RBCs increases this property.

What is surface area?

200

This anemia results from vitamin B₁₂ deficiency and causes neurologic symptoms.

What is pernicious anemia?

200

This blood type is considered the universal recipient.

 What is type AB?

200

The most numerous WBC type and first responders to bacterial infections.

What are neutrophils?

300

The normal pH range of human blood falls within this narrow alkaline range.

What is pH 7.35–7.45?

300

This iron-containing molecule allows RBCs to transport oxygen.

What is hemoglobin?

300

RBCs that are small and pale are described with these two terms.

What are microcytic and hypochromic?


300

People with Rh-negative blood naturally do NOT have antibodies for this factor unless exposed.

What is the Rh factor?


300

These WBCs produce antibodies and mature into plasma cells.

What are B lymphocytes?


400

Plasma minus clotting factors is called this.

What is serum?


400

The average lifespan of a red blood cell is approximately this many days.

 What is 120 days?


400

This inherited hemolytic anemia causes RBCs to sickle under low oxygen conditions.

What is sickle cell anemia?

400

This fetal condition can occur when an Rh-negative mother carries an Rh-positive fetus.

What is erythroblastosis fetalis?

400

An abnormally high WBC count is known as this condition.

What is leukocytosis?

500

These three are the major plasma proteins.

What are albumins, globulins, and fibrinogen?

500

This lab measurement reflects the percentage of blood composed of RBCs.

What is hematocrit?

500

This condition involves excessive RBC production and elevated hematocrit.

What is polycythemia?

500

This medication prevents Rh incompatibility during pregnancy.

What is RhoGAM?

500

This blood cancer is characterized by abnormal WBC proliferation.

What is leukemia?

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