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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 5
19장, 문제 5

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

검증된 단계별 안내
1
Step 1: Understand the components of blood. Blood consists of formed elements (cells like red blood cells, white blood cells, and platelets) suspended in plasma, which is the liquid portion containing water, electrolytes, proteins, and other substances.
Step 2: Define plasma. Plasma is the fluid part of blood that includes water, electrolytes, proteins (such as albumin, globulins, and fibrinogen), nutrients, hormones, and waste products, but it still contains clotting factors like fibrinogen.
Step 3: Define serum. Serum is the fluid that remains after blood has clotted and the clot has been removed. This means serum is plasma without the clotting proteins, primarily fibrinogen.
Step 4: Compare the options given. Since serum is plasma minus the clotting proteins, especially fibrinogen, the correct description is 'plasma minus fibrinogen'.
Step 5: Conclude that the correct answer corresponds to the option describing serum as plasma without fibrinogen, which is option (d).

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주요 개념

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Blood Plasma

Blood plasma is the liquid component of blood that contains water, electrolytes, proteins, nutrients, hormones, and waste products. It serves as a transport medium for cells and various substances throughout the body. Plasma includes clotting factors such as fibrinogen.
추천 영상:
7:49
Composition of Blood

Serum

Serum is the fluid portion of blood obtained after clotting has occurred, meaning it is plasma without the clotting proteins like fibrinogen. It contains electrolytes, antibodies, antigens, hormones, and other proteins but lacks fibrinogen and other clotting factors.
추천 영상:
9:16
Outcomes of Antibody Binding to Antigen

Difference Between Plasma and Serum

The key difference is that plasma contains fibrinogen and other clotting factors, while serum does not because these are consumed during clot formation. Understanding this distinction helps in interpreting blood tests and clinical diagnostics.
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가이드 코스
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The Difference Between Anatomy and Physiology
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교과서 질문

Plasma contributes approximately _____ percent of the volume of whole blood, and water accounts for _____ percent of the plasma volume.

(a) 55, 92

(b) 25, 55

(c) 92, 55

(d) 35, 72

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교과서 질문

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

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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

Blood temperature is approximately ___, and blood pH averages ___.

(a) 36 °C, 7.0

(b) 39 °C, 7.8

(c) 38 °C, 7.4

(d) 37 °C, 7.0

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교과서 질문

The formed elements of the blood include:

(a) Plasma, fibrin, and serum

(b) Albumins, globulins, and fibrinogen

(c) WBCs, RBCs, and platelets

(d) All of these

1313
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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

737
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