please do all of it e) Endotoxin CHAPTER 19: Medically Important Gram-Positive B
ID: 218166 • Letter: P
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please do all of it
e) Endotoxin CHAPTER 19: Medically Important Gram-Positive Bacilli 66, Bacillus, Clostridium, and Mycobacterlum are found in separate groups of gram-positive bacilli. Cellular characteristics are used to entegorize gram positive bacilli into major groups Characterization Process for Bacillus, Clostridium, and Mycobacterium include the following a) the presence or absence of endospores the e or absence of acid-fastness c) all of the above are correct none of the above are correct 87, Bacillea nn thotueti i nthraroluce edlemi and tel dealiulence factors include a polypeptine capsule and exotoxins that produce edema and cell death Bacillus anthracis (Anthrax) is a strict nerobe. T or F 68. Active cases of anthrax are treated with the antiblotics clindamycin, doxycycline, or ciprofloxacin. Which of the following is incorrect? ajbecause antibiotic therapy targeting the bacteria itself, people can still die from the toxin raxibacumab uses monoclonal antibodies to neutralize a toxin secreted by B. anthracis c The BioThrax vaccine is a purified toxoid given to military personnel on active duty d) all of the above are correct e) all of the above are incorrect 69, Bacillus cereus is a common airborne and dust-borne contaminant that multiplies very readily in cooked foods such as rice, potato, and meat dishes. Tor F [FACT] Clostridtum tetani multiply and release metabolic products into the infection site. One metabolic product is the neurotoxin tetanospasmin. The toxin spreads to nearby motor nerve endings in the injured tissue, binds to them, and travels by axons to the ventral horns of the spinal cord. Tetanospasmin makes the host cell release the neurotransmitter. 70. Tor F 71. Clostridium difficile causes antibiotic-associated (or pseudomembranous) colitis whic h is the second most common intestinal disease, after salmonellosis, in industrialized countries a) Clostridium difficile is a normal resident of the intestine b) Clostridium difficile is usually present in high numbers in the intestine c) all of the above are correct d) none of the above is correctExplanation / Answer
Ans. 66 (c) on the basis of presence or absence of endospore, also on the basis of acid-fastenes
Ans. 67 false.
Ans. 69 true.
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