What is the function of memory T-cells? Select one: a. Pump out chemical weapons and stimulate other T & B cells b. Release chemicals to attack and kill foreign invaders immediately c. Produce free antibodies to marked “remembered” foreign invaders d. Live a long time to be ready to fight future/repeated infections of “remembered" antigen foreign invaders

Q: How does HIV (human immunodeficiency virus) lead to AIDS (acquired immune deficiency syndrome)/lead…

A: Human immunodeficiency viruses causes AIDS.This is the condition where gradual failure of immune…

Q: You encounter a patient who can't seem to fight off infections that normal patients can. You suspect…

A: Cytokines are tiny proteins secreted by cells that have direct influences on cell communication.…

Q: Which of the following is part of your specific immune response? Select one: a. Skin b. "Eating"…

A: Ans- c) B- Cells The immune response in humans is divided into two defensive cooperative systems…

Q: How are neutrophils targeted from the blood vessels to the sites of inflammation? A. they bind to…

A: Neutrophils are a class of white blood cells that aids in the healing of damaged tissues and the…

Q: Cytotoxic T cells are immune cells that can eliminate some virus-infected cells. a. Briefly…

A: T cells are originated from the thymus and has two types of cells namely helper T cells and…

Q: Which is/are false about innate and specific immunity?     B cells are part of the innate immune…

A: The first line of defense against non-self pathogens is the innate immune response. Its response…

Q: 1.helper T cells 2.B cells 3.Cytotoxic T cells 4.memory B and T cells…

A: Correct answer: 1 - A & B 2- C 3- E 4- D

Q: Which is NOT part of innate immunity? Group of answer choices antibodies and cytotoxic T-cell…

A: Innate, or nonspecific, immunity is the defense system with which you were born. It protects you…

Q: One of the differences between embryonic stem cells and adult stem cells is _____. a extracting…

A: Extracting Adult Stem Cells doesn't affect embryo in any sense, so option D is completely false.…

Q: Match each of the listed characters below to the innate or adaptive immune system. 1) Fully formed…

A: 2) Includes barrier tissues and macrophages, among other defenses 4) Serves as the first line of…

Q: Which of these is not part of insect immunity? (A) enzyme activation of pathogenkilling chemicals…

A: Immunology is the branch of science which deals with the study of the immune system, immune response…

Q: Natural killer cellsa. are known for attacking large parasites, such as tapeworms.b. engulf…

A: Natural Killer cells also called large granular lymphocytes are a type of white blood cell. It is a…

Q: What are toll-like receptors?  How do they work?  What do they bind?  Give an example of one and…

A: Immunity present at the time of birth itself are called Innate Immunity(eg:cough reflex). Innate…

Q: Which of the following statements regarding negative selection of B cells is correct? a. Negative…

A: Immunity can be defined as the ability of an organism to fight against infections caused by a…

Q: Which of the following statement is TRUE about effector cells? (Select all that apply)…

A: Effector cells are produced once adaptive immune response is activated because adaptive immune cells…

Q: What occurs in a cell-mediated immune response? Select all that apply

A: Cell-mediated immune response is the type of immune response that involves activation of specialized…

Q: Which of the following is true about the immune system? Check all that apply. CD4 T Cells kill…

A:

Q: Which statement best describes the difference between responses of effector B cells (plasma cells)…

A: Immunology is a section of biology that includes the study of molecules, cells, and organs that…

Q: hy is the destruction of helper T cells caused by HIV infection so crippling to adaptive immunity?

A: Human Immunodeficiency Virus (HIV) is a virus that attacks the body’s immune system. If HIV is not…

Q: Which is not applicable to innate immunity? A) O It is faster than adaptive immunity in responding…

A: Immune system is system which helps our body to fight against the foreign substances which will…

Q: How is the cytotoxic T cell mechanism of action similar to that of complement? A. Cytotoxic T cells…

A: To neutralize antigen three possible ways are there: - Phagocytosis - ADCC (Antibody-dependent…

Q: 1. Can create antibodies 2. Can destroy pathogens by secreting perforins 3. Is activated by a…

A: The humoral immune system deals with antigens from pathogens that are freely circulating, or outside…

Q: What are the roles of the innate immune system? Select all that apply.   A. identity self vs.…

A: Pathogens are disease-causing organisms that can cause humans to become ill or die depending on the…

Q: Cytotoxic - 1 cells participate in immunity. 2. Cytotoxic T cells get activated through a process…

A: 1- CELL MEDIATED IMMUNITY 2- ANTIGEN RECOGNITION 3- ANTIGEN ON A CYTOTOXIC T CELL 4- PERFORATING 5-…

Q: How does IL-2 affect T-cells? Select all the mechanisms in T-cells that utilize IL-2 Select one or…

A: Introduction  Interleukin-2 (IL-2) is a type of cytokine and it acts as a signaling molecule in our…

Q: Which T-lymphocytes activate the B-cell response? suppressor T-cells. cytotoxic T-cells. helper…

A: T cells are most important cells in adaptive immunity.  T helper cells activated by interacting…

Q: Part 2. Identify each immune response as either humoral (H) or cellular (C). А. release of histamine…

A: The immune response is the body's way of recognising and defending itself against bacteria, viruses,…

Q: What occurs in an antibody-mediated response? Select all that apply.

A: Answer: ANTIBODY-MEDIATED RESPONSE is also known as humoral response in body , in which by the help…

Q: List 3 things that helper T cells do:

A: Thymus is the site where T-lymphocytes get mature. T-lymphocytes arises in bone marrow. when t-cells…

Q: Select all of the following that are functions performed by different antibodies. a) Group of…

A: Functions performed by different antibodies:- c) Blocking the ability of a pathogen to bind to a…

Q: Which is an example of a 1st line of defense barrier?   1.fever speeds up the metabolism of our…

A: The immune system of the body plays the most important role in protecting the body against external…

Q: What is the difference between memory T cells and cytotoxic T cells?   Memory T cells need more…

A: The answer is Memory T cells do not need to interact with antigen-presenting cells to become…

Q: Which of the following destroys virus-infected cells?   Question 6 options:   A)  cytotoxic T…

A: The immunity is both cell-mediated as well as humoral or antibody-mediated. There are lymphocytes…

Q: Activated Cytotoxic T cells:     Undergo apoptosis     Cause infected cells to undergo apoptosis…

A: T cells basically mature and produced in the "thymus". The main function of these cells is to…

Q: nnate immunity:   Question 1 options:   A)  is slower than adaptive immunity in responding to…

A: The immune system works like a shield to our body by capturing and removing all the pathogens which…

Q: Which of the following are examples of innate immune responses? Select all that apply.   Fever   Gum…

A: Innate immune response is present since birth and consist of many factors that are relatively…

Q: The goal of vaccinations is to trick the body into generating which types of cells that recognize…

A: Introduction :-Vaccines are the biological preparation that provides Immunity against a particular…

Q: and adaptive immunity Fill in the blanks. Innate immunity O has memory; is specific O is…

A: Answer:- Option D  - is non specific, has memory The innate immune is also known as non specific…

Q: Adaptive immunity includes which of the following processes?   Question 2 options:   A)…

A: A defense system in the body of an individual which constitutes a complex network of cells and…

Q: What is a lymphocyte central to adaptive immunity that targets infected or cancerous body cells?

A: T cells belong to a group of white blood cells known as lymphocytes and play a central role in the…

Q: Is an organism named Hookworm is a Can adapt and acquire immunity to pathogens?

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: The basic strategy used by the adaptive immune system is: when a lymphocyte encounters the…

A: * Adaptive immunity consists of antigen specific responses adapted to specific pathogen which are…

Q: If you come down with the flu, your body will launch an immune attack against the flu virus. During…

A: A virus-bound antibody binds to receptors, called Fc receptors, on the surface of phagocytic cells…

Q: How are innate lymphoid cells, including natural killer cells, distinguished from lymphocytes?

A: The immune system of the body is responsible for providing protection to the body when toxic…

Q: Which of the following is mismatched? a. regulatory T cells: release inhibitory cytokines to dampen…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: consider the figure below that shows time on the X axis and number of antigen- specific adaptive…

A: Humans have a well-developed immune system that helps in fighting infections. The immune system…

Q: In the process shown in Diagram 2, what performs the function most similar to that of the activated…

A: The answer is given below.