Potential attachment sites for pathogens are blocked by ______________.   Question 18 options:   bacteria of the human microbiome   B cells   T cells   lysozyme   siderophores   folic acid

Q: QUESTION 49 Which statement about blood cells that exhibit Rh antigens (D antigen) is true They are…

A: Blood cells are often called hematopoietic cells and are produced by hematopoiesis in the red bone…

Q: Disseminated intravascular coagulation (DIC) is a complication resulting from the: Question 28…

A: The disseminated intravascular coagulation is a condition in which blood clots form throughout the…

Q: Question 60 60. Macrophages have surface receptors for all of the following EXCEPT_

A: Macrophages refer to immune cells that are involved in mainly phagocytosis after detection of the…

Q: QUESTION 20 The contains antigens. The The O O C CO C generate an immune response if food or mucus…

A: The branch of science that deals with the components of immune system is known as immunology. Immune…

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 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: Question #3: A 75-year-old man, presented to the emergency room with fever, shortness of breath,…

A: Note: Since you have posted a question with multiple parts, we will solve the first three parts for…

Q: Damaged cells release a vasodilator substance called ________________________. Question 7 options:…

A: Our body has a specialized defense mechanism to fight the infections happening in the body. Our…

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: 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: Nonalcoholic Fatty Liver Disease O Hepatitis Cirrhosis O Cytomegalovirus Question 41 cause of Liver…

A: Liver is the largest digestive gland in the body. It is a very important metabolic organ controlling…

Q: Bonus: Viral vaccines. Which statement below is false? O the smallpox vaccine contains live…

A: Vaccines are biological preparation that helps in providing an active acquired immunity to a…

Q: Based only the information given, can you classify this outbreak as an endemic to South  Africa? Why…

A: Measels is a viral infection to which small children are easily prone. The outbreak can be prevented…

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: Livingston book, Improvising Medicine: An African Oncology Ward in an Emerging Cancer Epidemic.…

A: Cancer is a disease characterized by the uncontrolled growth and spread of abnormal cells in the…

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: Over 126 children younger than 7 years of age developed Measles in Gauteng after visiting  various…

A: Measles is a highly contagious viral disease that can cause fever, cough, runny nose, and rash. It…

Q: QUESTION 4 Briefly discuss the following topics and include appropriate examples where necessary.…

A: The topics given in the question are related to the field of hematology. Hematology is a branch of…

Q: Tell me three things that you know about what you know about the immune system?

A: Any foreign body that is not identified by our immune system is acted upon as an antigen. Our system…

Q: Epithelial cells infected with SARS COV-2 would have on their surface.

A: Epithelial cells are a type of cells that form the covering. These coverings are present  both the…

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: 106. Put the events of initial allergen sensitization in order. APC ingests, digests, and presents…

A: Sensitization refers to the process by which the body becomes sensitive and allergic to a specific…

Q: Question 40       the immunoglobulin sequences involved in antigen binding is situated in:…

A: Antigen - It is any foreign particle that induces an immune response. Antibody - It is a protein…

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: People who explore caves where there is running water but no sunlight often find them populated with…

A: Unique type of fishes and insects are because of unique environment , adaptations and unique source…

Q: The complement pathway is a series of steps and the final steps lead to an effector function…

A: The complement system helps or “complements” the ability of antibodies and phagocytic cells to clear…

Q: Place the following items in order, from simple to most complex. 1. Lymph 2. Basophil 3. Glucose 4.…

A: The complexity of a compound or a structure depends on the components it has. More are the…

Q: Question 21 Which normally will last a life time? O immunity from an injection of gamma globulin O…

A: Introduction: Immunity refers to the host's ability to resist external antigens, such as bacteria.…

Q: Thelper cells release to activate cytotoxic T cells --- O interleukin-2 interleukin-1 O antibodies O…

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

Q: In the context of the Blood chapter, which of the following best describes iron? Answers: the Fe 3+…

A: About 70% of the iron in the body is found in the red blood cells as hemoglobin, which is…

Q: leukocidins coagulase quorum sensing staphylokinase

A: Staphylococcus aureus (gram-positive and round-shaped bacterium) is commensal in normal conditions…

Q: Question 26 Using the Duke Criteria for infective endocarditis, ______ is an example of a major…

A: Ans:: Endocarditis: The inflammation of the endocardium the inner  lining of the heart is referred…

Q: Question 64 The vertebrates that lack jaws are called O rays. O turtles. O lampreys. O eels. MacBook…

A: Since you have asked multiple questions from different topics at a same time we will answer only 1st…

Q: 88 Innate immunity includes all of the following EXCEPT O production of interferon. O inflammation.…

A: Humans are exposed to millions of viruses that can occur daily, through contact, ingestion, and…

Q: The following are inflammatory mediators C-reactive protein histamine albumin a and b b and c

A: Given: An inflammatory mediator is a messanger that acts on blood vessles to induce an inflamatory…

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: When an antigen enters the bloodstream, it triggers ____________________ Question 7 options:…

A: Antigens are molecules that the body recognises as non-self or foreign. They can be found on the…

Q: The drains (collects) all lymphatic fluid from below the diaphragm. O Left femoral vein Cysterna…

A: White blood cells, particularly lymphocytes, the cells that fight bacteria in the blood, make up…

Q: Question 16 F2 Moving to another question will save this response. Status: Humoral immunity O…

A: Introduction :- Humoral immunity is a type of adaptive immune response that involves the production…

Q: Helper T cells are activated by O MHC-II; antigen-presenting O MHC-I; any nucleated O MHC-II; any…

A: The correct option for the answer tot his question is Option A :-MHC-II; antigen-presenting The T…

Q: For each question, indicate the type of instructional note. 1. Start of Chapter 3, Diseases of the…

A: The ICD-10 CM is a system of standard alphanumeric codes used by the health personnel for the…

Q: When an antigen is bound to a MHC Class I molecule it is restricted to interacting with a O CD8 cell…

A: MHC is the abbreviation for Major Histocompatibility Complex. It plays a major role in binding to…

Q: All of the following pertain to agammaglobulinemia EXCEPT..... O No treatment is available for…

A: Agammaglobulinemia is an inherited immunodeficiency disorder where few immune cells are deficient or…

Q: Borrelia burgdorferi avoids killing by macrophages, as part of innate immunity, by: O using a SPI-2…

A: Borrelia burgdorferi has evolved complex mechanisms to evade complement-mediated killing by binding…