BLOOD 2 Flashcards

1
Q

What is the function of oxygen in the blood?

A

Important in many cellular functions.

Example sentence: Oxygen is necessary for the production of energy in cells.

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2
Q

How does carbon dioxide function in the blood?

A

Involved in the regulation of blood pH.

Example sentence: Carbon dioxide helps maintain the acid-base balance in the blood.

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3
Q

What is the known function of nitrogen in the blood?

A

No known function.

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4
Q

What role do enzymes play in the blood?

A

Catalyze chemical reactions.

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5
Q

What is the function of hormones in the blood?

A

Regulate metabolism, growth, and development.

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6
Q

What role do vitamins play in the blood?

A

Cofactors for enzymatic reactions.

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7
Q

What are some waste products carried by the blood?

A

Urea, uric acid, creatine, creatinine, bilirubin, ammonia.

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8
Q

What is the origin of most waste products in the blood?

A

Breakdown products of protein metabolism.

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9
Q

Where are waste products carried by the blood to?

A

To organs of excretion.

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10
Q

What is hematopoiesis?

A

The production of all cellular components of blood and blood plasma.

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11
Q

What do Myeloid Stem Cells produce?

A

Proerythroblasts, Myeloblasts, Monoblasts, and Megakaryoblasts.

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12
Q

What do Proerythroblasts develop into?

A

Red blood cells.

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13
Q

What types of cells do Myeloblasts produce?

A

Basophils, eosinophils, and neutrophils.

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14
Q

What do Monoblasts produce?

A

Monocytes.

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15
Q

What do Megakaryoblasts produce?

A

Platelets.

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16
Q

What do Lymphoid Stem Cells give rise to?

A

Lymphocytes.

17
Q

What is the primary function of red blood cells?

A

To carry oxygen using the protein hemoglobin.

18
Q

What is the normal range of red blood cells per microliter of blood?

A

About 4.8 - 5.4 million / μL.

19
Q

What does hematocrit measure?

A

The total volume of blood occupied by red blood cells.

20
Q

What is the normal hematocrit percentage?

A

42-45%.

21
Q

What is the shape of red blood cells?

A

Biconcave.

22
Q

Do adult red blood cells have a nucleus?

A

No, they are anucleate.

23
Q

How long do red blood cells typically live?

A

About 120 days.

24
Q

What is erythropoiesis?

A

The production of red blood cells.

25
Q

What percentage of white blood cells are neutrophils?

A

60-70%.

26
Q

What is the primary function of eosinophils?

A

To combat parasitic infections.

27
Q

What role do basophils play in the immune system?

A

They are involved in hypersensitivity and allergic responses.