Which structure is depicted in the following image?

Q: Which of the following is NOT a component of the human body's second line of defense against…

A: INTRODUCTION Defense mechanism of human body Defense mechanism has three lines including physical…

Q: Identify the a.) type of connective tissue present b.) connective tissue cells and fibers present…

A: 1. Connective tissue - Connective tissue is a type of tissue that supports, connects, and separates…

Q: When T-cells and macrophages attack the myelin sheet covering nerves the disease that results is…

A: T-cell is a white blood cell that lives in our body, it fights viruses and helps us to get sick. The…

Q: 1) Which line of defense are these immune response components part of? A) Complement: B)…

A: Immune system helps in protection of organism against disease.Immune system helps in detection and…

Q: 1. Which of the following is NOT part of the complement system? a) Antigen presenting cells b)…

A: Immunity refers to the ability of an organism to resist or defend against a specific pathogen or…

Q: 1) The immune system and the brain are (two correct answers) :  unrelated to one another  strictly…

A: Immune system A network of biological processes called the immune system guards an organism against…

Q: 39 A 40-year-old man participating in a study of high altitude for 2 weeks shows an increase in…

A: A high hematocrit indicates that a person is at a high altitude since this altitude requires more…

Q: 3. A 28-year-old man has the rash shown on his elbows and knees. Abnormal proliferation of which of…

A: Infection is basically entry , establishment and multiplication of disease causing agent inside the…

Q: Several different subsets of innate lymphoid cells exist, and each is specialized to respond to a…

A: Lymphoid Cells  Lymphatic tissue is a connective tissue consisting of different types of lymphoid…

Q: The immune system of a person is supressed. He was found positive for a pathogen in the diagnostic…

A: ELISA refers to the enzyme-linked immunosorbent assay. It is a plate-based assay technique and is…

Q: DiGeorge syndrome is the result of the absence or immaturity of the thymus gland at birth. This…

A: The immune system of the body consists of immune cells which is responsible for removing the foreign…

Q: What type of cells secrete antibodies? A) Cytotoxic T cells B) Helper T cells C) B cells…

A: Antibodies are  glycosylated protein molecules, also known as immunoglobulin. Antibodies are antigen…

Q: Which of the following lists contains cells that are typically considered to be associated with the…

A: Immunity can be defined as the capacity of the body to fight against the pathogens attacking the…

Q: The nurse examines the child's tonsils while preparing to swab them with the culture swab. A white…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: Which of the following is NOT true of Innate Lymphoid Cells (ILCs)? A) Each ILC type responds to a…

A: Innate lymphoid cells are immune cells that mirror the phenotype and function of T cells. It…

Q: Using the letters from column B, match the cell description in column A. (Note that all require more…

A: Different immune cells are involved in mediating protection to the host against the pathogen. There…

Q: The diagnostic cell in Hodgkin's disease is the:   Question 5 options:   A)…

A: The objective of the question is to identify the specific cell type that is characteristic of…

Q: Which of the following is not considered a "first line of defense" against pathogens? a) lysozyme b)…

A: All the options are considered as the first line of defense against pathogens .…

Q: Interferons are considered as ______ signals IL-2 is considered as ________ signals IL-1 is…

A: Signaling molecules are small molecules, ions, or even gas that can either cross the lipid bilayer…

Q: Why is this disease a major threat to individuals with sickle cell anemia?

A: The viral disease that produces red rashes on different parts of the body like arms and legs is…

Q: In healthy adults, hematopoiesis takes place in the (a) liver, (b) red bone marrow, (c) yellow bone…

A: Blood is a fluid that has nutrients and gases. Nutrients and gases are requirements of the cell. The…

Q: (a) If you had a severe infection, would you expect your WBC count to be closest to 5000, 10,000, or…

A: The WBC count indicates certain disorders such as infection or inflammation. The normal WBC count…

Q: Which of the following is a characteristic of humoral immunity?

A: The immune system works by the synthesis of some immune elements that perform necessary reactions to…

Q: An allergic reaction is an example of:

A: An allergic reaction is an example of:

Q: The inflammation causes by the activation of A)activation of the macrophage B) increase vascular…

A: Inflammation is a defence process of the body that aids in the body's battle against substances that…

Q: A patient has their spleen removed due to an accident.  How will this affect the immune response?

A: The ability to overcome pathogens and other harmful substances is known as immunity. Immunity…

Q: All of the following cells directly incorporate antigens into their structures, EXCEPT: A). Antigen…

A: The immune system is a defensive system in a host consisting of widely distributed cells, tissues,…

Q: SELECT ALL THAT APPLY ** Which of the following statements regarding the thymus is true? a) Its…

A: The thymus is an organ of the immune system that is larger and more active during infancy and early…

Q: The brain can sense cytokines released by peripheral immune cells through the following means EXCEPT…

A: Cytokines are small proteins produced by cells of the immune system in response to infection,…

Q: Which common childhood illness is characterized by a slapped cheek appearance on the face? A)…

A: Childhood illnesses that include a rash as a symptom are fairly common. Fevers, coughs, and unique…

Q: ____________ are suspensions of killed or live germs which is employed to induce the production of…

A: Among the given options, option (a) is the most appropriate.It explains that the vaccines are…

Q: B lymphocytes holding knowledge of an infectious agent for future responses are called: a) helper…

A: Immune system acts as a defense system in our body by protecting from effects of pathogens and also…

Q: Natural killer cells target: A) O cells that possess abundant MHC I self antigens on their surface

A: The natural killer cell is an important cell of an innate immune system. They are larger granular…

Q: What statements are correct about the innate immune system?

A: Immunity is the ability of organisms to cease a certain type of infection or toxin with the help of…

Q: Which form of acquired immunity is the patient developing by having this infection?   A) Active…

A: Immunity is the ability of the body to fight against the  various microbes & defend the body.…

Q: Which of the following happens during inflammation? A) O The capillaries supplying blood to the area…

A: Immunity is the body's defense system that protects the body from the invasion of harmful particles…

Q: Which lymphatic structure is impossible to palpate? A) axillary nodes B) inguinal nodes C) thymus D)…

A: We can say that The process of the human body that plays a crucial role in removing foreign…

Q: If someone receives a blood transfusion or organ transplant, their body will notice the donor cells'…

A: Human blood has four major blood groups as "O, A, B, and AB", which is also known as the ABO blood…

Q: Which of the following determine what specific antigens B cells can recognize and bind? a) The type…

A: The immune cells are the defense cells that protect the body from invaders. The cells of the immune…

Q: 7. The major innate cell type to eliminate viral-infected cells are A). NK cells B). Neutrophils C).…

A: When the body is exposed to a dangerous foreign material, innate immunity arises as the body's…

Q: One of the common characteristics of lymphocytes (1), neutrophils, and macrophages) the resulting…

A: In the human body, the resistance against the entry of any foreign particle or antigens is executed…