Skip to main content
Ch. 19 Blood
Amerman - Human Anatomy & Physiology 2nd Edition
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoAmerman 2nd EditionCh. 19 BloodProblema 8
Capitolo 19, Problema 8

Leukocytes are:
a. Nucleated cells that function in blood clotting
b. Nucleated cells that function in immunity
c. Anucleate cells that function in blood clotting
d. Anucleate cells that function in immunity

Guida verificata passo dopo passo
1
Understand the term 'leukocytes': Leukocytes, also known as white blood cells, are a key component of the immune system. Their primary role is to defend the body against infections, foreign invaders, and abnormal cells.
Analyze the options provided: The question asks about the characteristics and functions of leukocytes. Pay attention to whether they are nucleated or anucleate and their specific function (blood clotting or immunity).
Recall the structural features of leukocytes: Leukocytes are nucleated cells, meaning they contain a nucleus. This distinguishes them from anucleate cells like erythrocytes (red blood cells) and platelets.
Recall the functional role of leukocytes: Leukocytes are primarily involved in immunity. They help identify and destroy pathogens, produce antibodies, and regulate immune responses.
Match the correct description: Based on the structural and functional characteristics of leukocytes, identify the option that describes them as nucleated cells functioning in immunity.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Leukocytes

Leukocytes, or white blood cells, are a crucial component of the immune system. They are nucleated cells that play a vital role in defending the body against infections and foreign invaders. Unlike red blood cells, leukocytes can move out of the bloodstream and into tissues to respond to pathogens, making them essential for immune responses.
Video consigliato:
Percorso guidato
2:33
Leukocytes Example 1

Blood Clotting

Blood clotting, or coagulation, is a complex process that prevents excessive bleeding when blood vessels are injured. It involves platelets and various proteins in the plasma that work together to form a stable clot. While leukocytes are involved in immune responses, they do not play a direct role in the clotting process, which is primarily the function of platelets and clotting factors.
Video consigliato:
Percorso guidato
10:05
Coagulation (Blood Clotting)

Nucleated vs. Anucleate Cells

Nucleated cells contain a nucleus, which houses genetic material and is involved in various cellular functions, including the immune response. In contrast, anucleate cells, such as red blood cells, lack a nucleus and are primarily involved in transporting oxygen. Understanding the difference between these cell types is essential for correctly identifying the functions of leukocytes in the immune system.
Video consigliato:
Percorso guidato
4:27
Review of Cytotoxic vs Helper T Cells
Pratica correlata
Domanda del libro di testo

Lymphocytes are derived from the _____ cell line, whereas the other leukocytes are derived from the _____ cell line.

920
views
Domanda del libro di testo

Match the following leukocytes with the correct definition. 

__Basophil      

__B lymphocyte      

__Neutrophil      

__Monocyte       

__T lymphocyte      

__Eosinophil 

a. Destroys bacteria; directly phagocytoses bacteria

b. Responds to parasitic worm infection and mediates the allergic response

c. Activates all parts of the immune response; directly kills cancer or virally infected cells

d. Secretes inflammatory mediators

e. Agranulocyte that matures into macrophage

f. Agranulocyte that secretes antibodies

1348
views
Domanda del libro di testo

Erythrocytes are derived from stem cells called____, circulate in the blood for approximately _______ days, and are destroyed by an organ called the _______.

1040
views
Domanda del libro di testo

Erythropoiesis requires stimulation from the hormone:

a. Thrombin

b. Thrombopoietin

c. Thymosin

d. Erythropoietin

917
views
Domanda del libro di testo

Platelets are derived from cells called:

a. Thromboblasts

b. Leukoblasts

c. Megakaryocytes

d. Thrombokaryocytes

1081
views
Domanda del libro di testo

Anemia is defined as:

a. A decreased oxygen-carrying capacity of the blood.

b. A decreased iron content of the blood.

c. Decreased bone marrow function.

d. Abnormalities in hemoglobin.

1221
views