11. What is/are the difference(s) between these processes different from phagocytosi of a bacterium affect its ability to be phag-

4. Describe the differences between the gram positive and the gram negative cell wall. Where is peptidoglycan found? Do eukaryotes have peptidoglycan? Where is the periplasm found? Where is the outer membrane found? LPS? Lipid A? Endotoxin? Can endotoxin induced shock? Does endotoxin have anything to do with septic shock? What are cytokines and what does a cytokine storm have to do with septic shock? How does an exotoxin differ from endotoxin? What does lysozyme do? Where is lysozyme found? What does penicillin do? I.

54. A 42-year-old man comes to the physician because of nodules on his abdomen for 1 year and lesions on his face, arms, hands, and buttocks for 3 months. He immigrated to the USA from Asia 2 years ago, Physical examination shows multiple lesions on the face, torso, and upper extremities. A photograph of the face is shown. A biopsy specimen of skin shows acid-fast bacilli Defective response of which of the following cells most likely played a key role in the clinical outcome of this infection? A) Cytotoxic T lymphocytes OB) Natural killer cells OC) Natural killer T lymphocytes OD) T1 lymphocytes OE) T,2 lymphocytes

14. 1ou haVe one attempt at this qUz and have a tot Question 1 Bacteria living In the colon have what type of 'relationshlp' with their human host? O parasitic . O mutualistic O commensalistic 0.regative Question 2 What is resident flora?

1.Which of the following statements is true? Vaccines cannot be made against viruses. Viruses are big enough to be seen with a light microscope. Viruses need to infect host cells to make copies of themselves. Viruses have organelles such as a nucleus. 2.Which type of movement across membranes is used by COVID-19 to infect cells? Active Transport Simple Diffusion Facilitated Diffusion Endocytosis

4. A patient presents with multiple skin boils that are caused by Staphylococcus aureus. Why is Staphylococcus aureus more likely to cause a skin infection than E. coli?

O Mycobacterium tuberculosis Question 23 A patient has an infection caused by a bacterial species that produces toxins that are capable of breaking down DNA and dissolving hyaluronic acid. Which disease does this person have? O Meningitis O Pertussis O Necrotizing fasciitis O Shigellosis Question 24 During which phage of Bordetella pertussis infection will you hear the characteristic 'whoop' sound? O Incubation MAY 12