ERYTHROPOIETIN Flashcards

(25 cards)

1
Q

What is erythropoietin primarily responsible for?

A

Stimulating red blood cell production.

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2
Q

What type of receptor does erythropoietin bind to?

A

Erythropoietin receptor (EPO-R).

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3
Q

True or False: Erythropoietin is produced mainly in the liver.

A

False, it is primarily produced in the kidneys.

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4
Q

Fill in the blank: Erythropoietin is a _______ hormone.

A

glycoprotein.

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5
Q

What physiological effect does erythropoietin have on the bone marrow?

A

It promotes the proliferation and differentiation of erythroid progenitor cells.

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6
Q

Multiple Choice: Which of the following conditions can erythropoietin be used to treat? A) Anemia B) Hypertension C) Diabetes

A

A) Anemia.

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7
Q

True or False: Erythropoietin has no role in the immune response.

A

True.

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8
Q

What is the primary adverse reaction associated with erythropoietin therapy?

A

Increased risk of thromboembolic events.

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9
Q

What is the mechanism of action of erythropoietin?

A

It activates erythropoietin receptors, leading to increased red blood cell production.

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10
Q

Fill in the blank: Erythropoietin can stimulate the production of _______ in the bone marrow.

A

erythrocytes.

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11
Q

What is a common clinical use of erythropoietin?

A

To treat anemia in patients with chronic kidney disease.

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12
Q

Multiple Choice: Erythropoietin is primarily released in response to which condition? A) High oxygen levels B) Low oxygen levels C) Normal oxygen levels

A

B) Low oxygen levels.

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13
Q

True or False: Erythropoietin is involved in the regulation of iron metabolism.

A

False.

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14
Q

What is the effect of erythropoietin on reticulocyte count?

A

It increases reticulocyte count.

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15
Q

Fill in the blank: Erythropoietin is often administered to patients undergoing _______ treatment.

A

chemotherapy.

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16
Q

What is the role of erythropoietin in fetal development?

A

It supports erythropoiesis during fetal life.

17
Q

Multiple Choice: Which of the following is NOT a side effect of erythropoietin? A) Hypertension B) Headache C) Hair loss

A

C) Hair loss.

18
Q

True or False: Erythropoietin can be synthesized for therapeutic use.

19
Q

What is the effect of erythropoietin on hemoglobin levels?

A

It increases hemoglobin levels.

20
Q

Fill in the blank: The erythropoietin receptor is a member of the _______ receptor family.

21
Q

What is the half-life of erythropoietin in circulation?

A

Approximately 4 to 13 hours.

22
Q

Multiple Choice: Erythropoietin acts on which type of cells? A) Neutrophils B) Erythroid progenitor cells C) Platelets

A

B) Erythroid progenitor cells.

23
Q

True or False: Erythropoietin levels are inversely related to blood oxygen levels.

24
Q

What is the primary site of erythropoietin production in adults?

25
Fill in the blank: Erythropoietin is crucial during _______ conditions to stimulate red blood cell production.
hypoxic.