A. Different locations of dermatophytic infections are designated as Tinea X(loc
ID: 196003 • Letter: A
Question
A. Different locations of dermatophytic infections are designated as Tinea X(location). B. Most serious human fungal infections are acquired from other people. C. Dimorphism (yeast & mold) is observed with certain systemic fungal infections. D. Trichophyton, Epidermophyton, Microsporum are dermatophytes. E. Dermatophytes cause infections of skin, nails and hair. 23. Which of the following is false concerning fungal infections? 24. Concerning helminthes, which of the following is false? A. Nematodes have a body cavity, digestive tube ending in anus, males and females B. Cestodes have no body cavity, no digestive tube, and are bermaphroditic. C. They are all chemobeterotrophs. D. Trematodes have no body cavity, have digestive tract ending in cecum. E. None of the above is false. 25. Which of the following is false concerning belminths? A. Schitoma mansoni requires both a human and a special snail host. B. Schistoma mansoni is the master of disguise acquiring a mask of host antigens C. Ingestion of the eggs ofthe beef tapeworm causes cystercercosis with systemic spread of larvac. The giant round worm Ascaris lumbricoldes can form "worm balls" that obstruct the intestine. Liver damage with Schistoma mansoni results from the bost response (granalomas) around eggs recognized as foreign. D. E. 26. Which of the following is false concerning Sreptoccus pyogenes? A. Gram+ B. C. D. also called the Group B strep. causes strep throat. if untreated could lead to rheumatic fever with heart damage. E. if untreated could lead to kidney problems (acute glomerulonephritis). 27. Which of the following is false concerning viruses? A. DNA or RNA, but not both, single or double stranded B. some are enveloped. C. some have an (or a few) enzyme(s) D. icosahedral, filamentous, or complex in morphology all of the above are true of viruses. 28. Antibioties that target cell wall synthesis ultimately cause bacterial cell death as a result of A inhibition of protein synthesis B. inhibition of molecular transport C. decreased synthesis of plasma membrane. D. osmotic lysis. E. cell shrinkage.Explanation / Answer
23) Option B is correct.
Most of the fungal infections are oppourtunistic and do not need the human host for survival. Most fungal infections are air borne and acquired by inhalation or contact of air, soil or surfaces contaminated with spores.
24) Option E is correct.
25) Option E is correct.
26) Option B is correct.
Streptococcus pyrogenes is a gram + ve bacterium, known as Group A streptococcus or GAS.
27) Option E is correct.
All of the above statements given about viruses are true. Some virusviruses contain enzymes like retrovirus contain reverse transcriptase enzyme, they have either DNA or RNA but not both, some have envelope, some are IIcosahedral, filamentous or complex morphology.
28) Option D is correct.
Antibiotics that target cell wall synthesis inhibit peptidoglycan repair, once peptidoglycan is compromised,causing cell vulnerable to osmotic lysis.
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