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14 Answered Questions for the topic hematology

07/30/19

Besides hemoglobin, what proteins are present in red blood cells?

I knew that mature red blood cells (RBCs) lacked nuclei, but I wasn't aware until just now that they also lacked ribosomes and mitochondria. Most cells in the human body all contain a common... more
Hematology Biochemistry

07/09/19

When giving blood, what is the specific Iron measurement they take?

I went to give blood the other day, and they take an "iron" measurement prior to actually drawing the blood. My level was 16.4 -- but what specific type of iron were they measuring? I've heard of... more

07/08/19

Why do red blood cells maintain Iron in the Haem group in the +2 (ferrous) oxidation state?

A lot of sources tell me that RBCs contain a number of enzymes, and that these serve multiple functions from maintaining the structure and elasticity of the corpuscle wall, to preventing the... more
Hematology Biology Human Biology

06/16/19

Why do people have antibodies against other blood types?

The ABO blood type divides each blood type according to whether they have the "A" and "B" antigen(s) (AB has both, O has none). People also have antibodies against the antigens they don't have (AB... more
Hematology Biochemistry

06/13/19

Why does ammonium oxalate cause swelling of RBCs?

From *Pre examination procedures in laboratory diagnosis* by Walter Guder :> ...It consists of three parts by weight of ammonium oxalate which> causes swelling of erythrocytes balanced by two... more

05/24/19

Why does the affinity of haemoglobin's for oxygen decrease at high altitudes?

My class 12 NCERT book says, Pg 226> The body compensates low oxygen availability by increasing red blood cell production, decreasing the binding affinity of haemoglobin and by increasing... more

05/15/19

Blood draw from the elderly or those with tiny veins?

A lot of people have very small veins making it next to impossible to draw blood. Would a nitroglycerin tablet (or some other vasodilator) before drawing blood help to enlarge veins?
Hematology Biology Genetics

05/09/19

Origin, or source, of rhesus negative in human blood?

This is my first post here, so please be gentle. I recently learned that I have Rh- blood (I'm A-), and was idly looking into blood types on Wikipedia. I was surprised to find that relatively few... more
Hematology Biology Human Biology

04/29/19

Why do mammalian red blood cells lack a nucleus?

How did the red blood cell in humans get to lose its nucleus (and other organelles)? Does the bone marrow just not put the nucleus in, or is it stripped out at some stage in the construction of the... more

04/19/19

How does aspirin "thin" blood?

As we all know, aspirin doesn't actually "thin" the blood, as it has been explained to me, it makes it "slippery". Slippery blood doesn't stick to itself hence this helps prevent internal blood... more
Hematology Biology Anatomy

04/02/19

What Does A Low "Auto Lymph" Value Mean On A Lab Test?

Hematology Biology Genetics

03/27/19

Origin, or source, of rhesus negative in human blood?

This is my first post here, so please be gentle. I recently learned that I have Rh- blood (I'm A-), and was idly looking into blood types on Wikipedia. I was surprised to find that relatively few... more
Hematology Language Biology

03/26/19

Is there a specific suffix for "within a cell"? i.e. in a similar manner to how -aemia refers to within the blood?

Words like hyperglycemia and hyponatremia refer to the relative level of each component in the blood, not in the cell. Is there a suffix for within the cell? For reference I would like one word as... more
Hematology Biology Human Biology

03/17/19

Can a cancerous cell from outside cause cancer in a healthy person?

If a cancerous cell enters the body of a healthy person from someone else's blood or something, will that healthy person get cancer? In human beings.

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