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Module 1 - RBC Biology

A detailed and educational illustration of red blood cells (RBC) in various forms with labels, showing their biconcave shape, lifespan, and role in oxygen transport, set against a scientific background.

Test Your Knowledge on RBC Biology

Welcome to the RBC Biology Quiz! This quiz consists of 21 carefully crafted questions designed to assess your understanding of red blood cell (RBC) biology. Whether you're a student, a professional, or simply a biology enthusiast, this quiz will challenge your knowledge and help you learn more about RBC structure, function, and pathology.

Key Features:

21 Multiple Choice Questions
Instant Feedback on Your Answers
Learn about RBC Lifecycle and Function

21 Questions5 MinutesCreated by LearningCell300

What is normal shape of RBCs

Biconvex disc

Biconcave disc

Spherical

Elongated

Lifespan of normal RBCs

3 months

2 months

5 months

4 months

Normal degree of RBC central pallor

1/2

1/4

1/3

2/3

The protoporphyrin ring can be found on the globin chains of RBC

True

False

Normal RBCs carry ferric state of iron in their porphyrin rings.

True

False

Mutation on this will lead to spherocytosis

Heme ring

Globin chains

Hemoglobin

Spectrin

Normal adult hemoglobin contains 1 alpha chain and 1 beta chain

True

False

Ferrous state of iron (Fe2+) cannot bind with oxygen.

True

False

RBC phospholipid membrane composes of hydrophilic _ and hydrophobic _.

Head; tail

Tail; head

The tail portion of the phospholipid bilayer is composed of: I. Saturated fatty acids II. Unsaturated fatty acids III. Glycerol IV. Phosphate Group

I, II

II, IV

III, IV

I, III

All of the above

The phospholipid bilayer is composed of: I. Saturated fatty acids II. Unsaturated fatty acids III. Glycerol IV. Phosphate Group

I, II

III, IV

I, III

II, IV

All of the above

These are found beneath the lipid bilayer

Immunoglobulins

Acute Phase Reactants

Peripheral Proteins

Surface Proteins

Loss of ATP will lead to

Increased membrane rigidity

Decrease in phosphorylation of spectrin

Decreased RBC survival

Loss of Pliability

Increased permeability will lead to

Increased membrane rigidity

Decrease in phosphorylation of spectrin

Decreased RBC survival

Loss of Pliability

Another term for bite cells

Acanthocytes

Spherocytes

Keratocytes

Codocytes

When ferric state of iron is found in hemoglobin, what is it called?

Hemoglobin

Thalassemia

Methemoglobin

Smohemoglobin

Ratio of Intracellular K:Na

25:1

1:25

12:1

1:12

Ratio of Extracellular K:Na

1:25

25:1

1:12

12:1

For every 2 molecules of potassium to enter, how many molecules of sodium must exit the cell

Major extracellular cation

Calcium

Sodium

Potassium

Iron

Major Intracellular cation

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