C3b Samenvattingen, Aantekeningen en Examens

major difference between adaptive and immune responses - memory therapy for severe congenital neutropenia - G-CSF (maybe IL-3?) primary lymphoid is site of _____ - development secondary lymphoid is site of ___ - response similarity between innate and adaptive immune responses - both recognize pathogens hyper IgM syndrome is a result of a defect in - CD40L where are compliment proteins synthesized - liver once compliment proteins are activated they are ___ - meta-stable factor H and I - i...

1. Identify mechanisms used by pathogens to survive defenses of the body. CORRECT ANSWER o Infectious disease: infection spread from person to person o Pathogens successfully cause disease because they" Compete with normal flora Produce toxins Produce enzymes to • Avoid phagocytosis, opsonization, destroy connective tissues Avoid lysis • Stop complement cascade by degrading C3b Paralyze ciliary activity 2. Describe the different factors for infection. CORRECT ANSWER o ...

MCMP 442 Final Exam Questions and Answers 100% Pass Which of the following statements is FALSE regarding the adaptive immune system or the innate immune response? a. The adaptive system responds before the innate response during an infection b. Somatic recombination only occurs in the adaptive response and NOT in the innate response c. The adaptive response will produce proteins that bind more specifically to a pathogen compared to the innate response d. The innate response involves the...

Exam 1: NSG530/ NSG 530 (Latest 2023/ 2024) - Advanced Pathophysiology Exam | Questions and Verified Answers| 100% Correct| Grade A Q: When antibodies are formed against red blood cell antigens of the Rh system, how are the blood cells destroyed? a. Complement-mediated cell lysis b. Phagocytosis by macrophages c. Phagocytosis in the spleen d. Neutrophil granules and toxic oxygen products Answer: C Antibodies against platelet-specific antigens or against red blood cell antigens of the R...

HSC 4504 Final Exam PH Immunology 2024 Actual 50 Questions and Answers Solved/Verified 100% Which of the following is TRUE about innate immunity? Innate immunity improves with successive exposures to the same pathogen or antigen. Innate immunity employs B and T lymphocytes to generate a response. Innate immunity employs phagocytes and natural killer cells to generate a response. Innate immunity is specific for any given pathogen or antigen. Innate immunity has a stronger second...

23.a Identify areas of the human body colonized by microbes and areas that remain sterile; explain why there are different types of microbes in the microbiota of different areas of the body. Areas of the body that are colonized by microbes: Skin -Mostly gram-positive species such as Staphylococcus epidemidis, Bacillus species, and Propionibacterium ances Oral & nasal cavities -Non-pathogenic Neisseria, Streptococcus, Actinomyces, Lactobacillus, Treponema denticola, Porphyromonas g...

Kuby Immunology (Ch. 5-7) Exam Questions All Solved Which of the following is NOT usually induced in response to TLR signaling? A. TNF-α B. IL-1 C. iNOS D. IL-6 E. IL-4 - Answer - E. IL-4 Where would you MOST likely find a TLR that recognizes RNA? A. On the cell surface B. In the endosome/lysosome C. In the nucleus D. In the mitochondria E. In the endoplasmic reticulum - Answer - B. In endosome/lysosome Activation of dendritic cells with TLR4 or TLR5 results in the production...

BIOS 256 Exam 3 Q&A Innate immune Function 1. Which of the following DO NOT form part of physical barriers? a. sweat b. sebaceous secretions c. unbroken skin d. mucous membrane e. T cells 2. The term _____ is given to any foreign substance that stimulates a specific immune system response. a. Antigen 3. The immune defenses are divided into how many basic categories. a. five b. four c. two d. three 4. Chemical barriers include: (Select all that apply) a. Mucous b. Food c....

To correctly report a colony count in a urine culture plated using a calibrated 0.001 mL loop, the observed colony count must be multiplied by which of the following? a. 1 b. 100 c. 1000 d. 2000 c. 1000 Examination of peripheral blood smear revealed 12 nucleated erythrocytes per 100 leukocytes. Which histogram observation correlates with this finding? a. Failure of the granulocyte population to return to baseline on the leukocyte histogram b. Shift to the left of the erythrocyte po...

TLRs are ______ that recognize ________s. PRRs that recognize PAMPs TLRs contain 3 domains which are LRR, Transmembrane Domain, and TIR LRR is a hook that sticks out into the ______ and _______ to sense PAMPs extracellular and eadosomal spaces Transmembrane domains pass through what? cell membrane TIR sits in what? cytoplasm TLR5 recognizes _____ and faces the _________ flagellin and faces the extracellular space TLR4 recognizes _______ and faces the _________ LPS and faces the extracellul...