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Ch. 19 Blood
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Martini, Nath, Bartholomew 11th EditionCh. 19 Blood문제 8
19장, 문제 8

Stem cells responsible for lymphocytopoiesis are located in:
(a) The thymus and spleen
(b) The lymph nodes
(c) The red bone marrow
(d) All of these structures

검증된 단계별 안내
1
Understand the term 'lymphocytopoiesis,' which refers to the production of lymphocytes, a type of white blood cell important for the immune response.
Recall that lymphocytes originate from stem cells, specifically hematopoietic stem cells, which are primarily found in the red bone marrow.
Recognize that while the thymus is involved in the maturation of T lymphocytes, it is not the site where the stem cells responsible for lymphocyte production reside.
Note that the spleen and lymph nodes are secondary lymphoid organs where lymphocytes become activated and proliferate, but they are not the primary sites of stem cell origin.
Conclude that the correct location of stem cells responsible for lymphocytopoiesis is the red bone marrow, as it is the main site of hematopoiesis including lymphocyte production.

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주요 개념

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Lymphocytopoiesis

Lymphocytopoiesis is the process of producing lymphocytes, a type of white blood cell essential for immune responses. It involves the differentiation and maturation of stem cells into various lymphocyte types, including T cells, B cells, and natural killer cells.
추천 영상:
가이드 코스
3:07
Red Bone Marrow

Location of Hematopoietic Stem Cells

Hematopoietic stem cells, responsible for generating all blood cells including lymphocytes, primarily reside in the red bone marrow. This is the main site where lymphocyte precursors originate before migrating to other lymphoid organs for maturation.
추천 영상:
3:55
Locations of Serous Membranes

Role of Lymphoid Organs in Lymphocyte Maturation

While lymphocytes originate in the bone marrow, organs like the thymus and spleen provide environments for their maturation and differentiation. The thymus is crucial for T cell development, whereas the spleen and lymph nodes serve as sites for immune activation and lymphocyte function.
추천 영상:
가이드 코스
4:34
Primary & Secondary Lymphoid Organs
관련 실천
교과서 질문

The following is a list of the phases involved in the process of hemostasis:


  1. Coagulation
  2. Fibrinolysis
  3. Vascular spasm
  4. Retraction
  5. Platelet phase

The correct sequence of these phases is:

(a) 5, 1, 4, 2, 3

(b) 3, 5, 1, 4, 2

(c) 2, 3, 5, 1, 4

(d) 3, 5, 4, 1, 2

(e) 4, 3, 5, 2, 1

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교과서 질문

A hemoglobin molecule is composed of:

(a) Two protein chains

(b) Three protein chains

(c) Four protein chains and nothing else

(d) Four protein chains and four heme groups

(e) Four heme groups but no protein

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교과서 질문

Serum is:

(a) The same as blood plasma

(b) Plasma minus the formed elements

(c) Plasma minus the proteins

(d) Plasma minus fibrinogen

(e) Plasma minus the electrolytes

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교과서 질문

___ and ____ affect almost every aspect of the clotting process.

(a) Calcium, vitamin K

(b) Calcium, vitamin B12

(c) Sodium, vitamin K

(d) Sodium, vitamin B12

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교과서 질문

What five major functions are performed by blood?

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교과서 질문

Name the three major types of plasma proteins and identify their functions.

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