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NAHP Exam NRCMA Topic 6 Question 4 Discussion

Actual exam question for NAHP's NRCMA exam

Question #: 4
Topic #: 6

[All NRCMA Questions]

The primary function of red blood cells is to:

AFight infection

BCarry oxygen

CProduce hormones

DStore fat

Show Suggested Answer

Suggested Answer: B

Red blood cells (RBCs), also known as erythrocytes, are specialized cells in the blood responsible for carrying oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues to the lungs. RBCs contain hemoglobin, a protein that binds to oxygen molecules. Hemoglobin is composed of four subunits, each containing an iron ion that can bind one molecule of oxygen. This binding and release of oxygen are critical for cellular respiration, which provides energy for the body's metabolic processes. The unique biconcave shape of RBCs increases their surface area for efficient gas exchange and allows them to navigate through the narrow capillaries.

by Erasmo at Aug 03, 2024, 08:44 PM

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Clay

3 months ago

I agree with Shenika. Red blood cells transport oxygen to all parts of the body.

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Shenika

3 months ago

I think it's B too. Red blood cells have hemoglobin which carries oxygen.

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Ben

3 months ago

B) Carry oxygen

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Thaddeus

3 months ago

I agree with B, red blood cells transport oxygen from the lungs to the rest of the body.

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Micaela

4 months ago

I think it's B too, because red blood cells contain hemoglobin which binds to oxygen.

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Tracey

4 months ago

Hold up, what if they're supposed to store fat? That would be pretty wild. Although, I guess that's not their 'primary' function. Hmm, tough call.

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Jess

4 months ago

B) Carry oxygen

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Marjory

4 months ago

I'm going with B. Carrying oxygen just seems like the most important job for those little red blood cells, you know?

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Lezlie

3 months ago

Definitely B. It's crucial for our body to function properly.

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Idella

3 months ago

I think it's B too. Oxygen is essential for our survival.

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Veronika

3 months ago

Yeah, without oxygen, our cells wouldn't be able to function properly.

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Carlene

3 months ago

I agree, carrying oxygen is definitely the main job of red blood cells.

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Lisha

4 months ago

Duh, it's obviously to carry oxygen. That's like the first thing they teach you in biology class!

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Viola

3 months ago

That's right, they're like little oxygen delivery trucks.

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Aleta

4 months ago

Yeah, red blood cells carry oxygen.

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