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- Question 68 Comparing bacterial exotoxins to endotoxins, matching. Match each characteristic described below to either endotoxin or exotoxin. heat sensitive, can be denatured [ Choose] [ Choose ] heat resistant, still active even after autoclaving neither endotoxins nor exotoxins exotoxins toxic in small amounts, e,g, nanogram both endotoxins and exotoxins amounts endotoxins as a class are pyrogenic [Choose] good antigens, anti-toxin can be made [Choose] toxoids cannot be made [Choose] as a class, trigger hypotension, DIC, shock TChoora1Question 36 Which is not true regarding penicillin? O refers to a group of 50+antibiotics O all have a common core called a beta lactam ring O no natural forms exist O some are cngineered to have a broader spectrum of activityQUESTION 6 Identify this molecule Ç17H35 H33C16 plasmalogen phosphoglyceride sphingomyelin phosphatidylethanolamine
- Question 22 Which of these combats invaders by releasing granules? О В сel O dendritic cell O eosinophil O macrophageQuestion 69 69. Host Defenses. T cytotoxic lymphocytes exhibit all of the following traits EXCEPT: O secrete granzymes which trigger apoptosis/programmed cell death O production of IgE antibodies once activated, secrete perforins which may cause osmotic lysis of infected host cells O bind host cells displaying viral antigenQuestion 23 You are a bacterium in the bloodstream. What are you most likely to encounter? O complement proteins that will lyse you O T cells that will phagocytose you O mucus that you will get trapped in mast cells that will release granules on you
- Question 56 56: Host defenses: Opsonins include O MAC and CRP O complement, antibodies O INF gamma and delt O IL-1, IL-2Question 3 The following are inflammatory mediators C-reactive protein histamine albumin a and b b and c O O O O OQUESTION 17 Which of the following is not a common port of entry? O Respiratory tract O Gl tract O Unbroken skin O Broken skin QUESTION 18 Which exoenzyme is not correctly matched with its function? O Coagulases- clot blood O Hyaluronidases- break down blood clots O Collagenases- break down collagen O Kinases- break down clots Click Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search
- Question 24 Which of these is a major part of the immune system? O spleen kidney liver heartQuestion 20 Which of the following is an example of chemical defense? O Inflammatory cytokines O Phagocytes O Tight junctions in the skin O Mucociliary escalatorQUESTION 40 Which of the following is not caused by the Epstein-Barr Virus? Multiple sclerosis Sarcomas Hodgkin's Lymphoma Nasopharyngeal cancer