Question 50 Helper T cells act by O Activating only cytotoxic t cells O Activating B cells and cytotoxic T cells O Presenting the antigen to macrophages O Producing class II MHC proteins

Q: You are a bacterium in the bloodstream. What are you most likely to encounter? O complement proteins…

A: Immunity is the capability of the body to fight against foreign attacks and maintain the persistence…

Q: Question 42 According to the SIR model of infectious disease transmission that incorporates…

A: S x I x b in the SIR model of infectious disease transmission represents the rate of infection…

Q: QUESTION 6 Monoclonal antibodies are specific for? O a. Single epitope O b. Pair of epitopes O c.…

A: Antibodies or immunoglobulins are synthesized and released from B-lymphocytes or B-cells. They are…

Q: A nurse examines a patient's computerized tomography (CT) scan report showing a 2 cm tumor in the…

A: The TNM staging is the best method for staging the cancers.   Breast cancer has it's own TNM…

Q: Which of these is an unencapsulated lymph tissue? Thymus None of these Lymph nodes O Spleen Peyer's…

A: In the body, lymphocyte production and storage are performed by the lymphatic system. The…

Q: In what way do B cells differ from other B cells?   Question 12 options:   some B cells…

A: When our immune system functions properly, it is able to identify and attack these invaders,…

Q: QUESTION 10 Which imaging method would give you the technical ability to view the details of the…

A: Differential interference contrast (DIC) microscopy is a type of light microscopy technique that…

Q: Question 36 A CD8 cell is associated with which of the following: displaying antigens that are only…

A: CD8  means a cluster of differentiation 8 is a transmembrane glycoprotein that fulfils as a…

Q: Question 2 of 15 Many nutritional deficiency in B vitamins are associated with what symptoms? I.…

A: Vitamin B refers to a group of water-soluble vitamins that play important roles in various cellular…

Q: QUESTION 82 Which of the following cells is NOT an APC? O mature B cells Onatural killer cells…

A: Antigen-presenting (APC) cells can process antigens, by breaking them into peptides and presenting…

Q: Salma Rick Layla Adie Mac A Rh A Rh Rh Rh Rh B B B The blood type for Salma is The blood type for…

A: The blood type for Salma is A positive The blood type for Rick is AB negative  The blood type for…

Q: Question 49 Antigen-presenting cells O For helper T cells are typically macrophages O Place the…

A: An essential part of the immune system, antigen-presenting cells process and deliver antigens.…

Q: QUESTION 18 The immune system is capable of mounting specific responses to particular microorganisms…

A: Immunity is a strength generated inside the body so that body is capable of cope up and eliminate…

Q: MHC I is a carbohydrate that presents foreign antigens on the surface of a nucleated cell. is a…

A: MHC1 stands for Major Histocompatibility Complex class I, which is a set of cell surface proteins…

Q: The process responsible for the production of antibodies against allergens to ‘arm’ a mast cell is…

A: KEY WORDS :- Inflammation - warmth and redness on the injured area.

Q: Which of the following leukocytes specialize in phagocytosis? O monocytes and neutrophils O an…

A: The immune system of the human body consists of white blood cells, antibodies, spleen, thymus, and…

Q: Question 24 Which of these is a major part of the immune system? O spleen O kidney O liver O heart

A: Our immune system is important for our survival. while not an system, our bodies would be open to…

Q: Question 5 If the recipient ABO type is discrepant but the antibody screen is negative and blood is…

A: ABO blood group is based on types of antigens which are present in the form of glycoproteins and…

Q: Question #2: Briefly describe differentiation of T-cells and their cellular surface receptors in the…

A: T cells are originated and differentiated in the thymus.Thymus is basically a multilobed organ…

Q: CD4 cells are cells and CD8 cells are cells A killer, suppressor B helper, cytotoxic C cytotoxic,…

A: Introduction: Our immune system's lymphocytes are a subset of white blood cells. There are two of…

Q: How would these neutralizing antibodies protect us from infection v O complement activation which…

A: Neutralizing antibodies work on the mechanism of neutralization of the pathogen, making it…

Q: hma can otherwise be described as: Question 21 options:

A: Extrinsic asthma can be defined as the reversible bronchospasm caused by the attack by allergens in…

Q: I| HO CH,OH CH;ČNH Protein в A II CH2OH HO ČH4OH OH IV Is the antigenic determinant reducing or…

A: Glycans:  These are chain-like structures made up of monosaccharides (single sugar molecules)…

Q: Which of these combats invaders by releasing granules? О В сell O dendritic cell O eosinophil O…

A: 1. B cell also known as WBC provides humoral immunity to the body.  2. Dendritic cell interacts with…

Q: In a Yersinia infection, there is a competition between Yersinia's Type Ill secretion system and the…

A: Yaersinia peptide would be presented on the macrophage surface by MHC-2.

Q: QUESTION 85 Lectin binds to certain carbohydrates to begin the activation of the classical…

A: The classical complement pathway is one of the three mechanisms that activate the immune system,…

Q: This blood protein, also known as an immunoglobulin, is systemic and specific in its effect of…

A: The immune cells in our body responsible for giving protection against different kinds of pathogens.…

Q: Question 26 Which of the following have afferent and efferent lymph flow? O all of the above O lymph…

A: Efferent lymphatic vessels seep out of a lymph node and hold filtered lymph fluid and Afferent…

Q: Question 5 Which drug was given to John to clear his blood clot? O tissue plasminogen activator…

A: Blot clotting is a natural phenomenon which occurs when the skin is exposed to any wounds. These…

Q: Question 24 Which of the following tissues functions to filter blood with sheathed capillaries? O…

A: The spleen is the biggest secondary immune member in the body and is accountable for inaugurating…

Q: QUESTION 26 IgG, IgA, and IgM are different classes of antibodies. Which part of an antibody best…

A: Antibodies, also known as immunoglobulins, are proteins produced by the immune system in response to…

Q: 56: Host defenses: Opsonins include O MAC and CRP

A: The opsonin can be defined as any molecule that enhances the phagocytosis by marking the antigen for…

Q: T cells. In MHC restriction O Plasma cells are restricted to becoming T cells O CD8 cell restricting…

A: HLA antigen codes are the most important histocompatibility complex (MHC) in white cells and…

Q: QUESTION 25 Lymph nodes are made of masses of lymphocytes surrounded by a capsule. The lymphocytes…

A: Lymph is a transudate of blood, and it has similar proteins as that of plasma, but the amount is…

Q: Match these lymphocytes to their specific functions

A: Lymphocytes are the type of white blood cell that's of fundamental significance within the immune…

Q: C3bBb is the soluble C3 convertase that initiates the alternative pathway, while iC3bBb is the C3…

A: The answer is false.…

Q: What immune process involves red, heat, pain, swelling, and altered function? O phagocytosis immune…

A: Answer. A correct answer is an option (D). Inflammation.  Inflammation is an important non-specific…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.