29. The envelope of enveloped a. nucleic acid viruses contains predominantly b.

Question

29. The envelope of enveloped a. nucleic acid viruses contains predominantly b. lysozyme .peptidoglycan predominantly obtained from the host cell upon exiting e. carbohydrates 30. Pink eye or conjunctivitis can be viral, bacterial, or caused by an allergic reaction. Knowing what you do about the immune system and the physiology of viruses and bacteria, which would be highly contagious and the most difficult to treat? a. an allergic response b. Stophyíoccocus c. Herpes simplex virus d. Chiamydio e. all these are equaly contagious 31. Which of the following is FALSE regarding viruses? a. can sometimes be transferred by fomites b. vaccines are available for some c. are easily controlled with antibiotics d. are obligate intracellular parasites e. all these are true of viruses. 32. Specificity of viruses can be conveyed by a. glycoprotein spikes in the capsid. c. substances found on the tail fibers. e, none of these b. substances found on the base plate. d. all these 33. Theof viruses has a lot of variety and influences how the virus replicates inside the host cell. a. capsid b, tail fibers c. enveloped d. base plate e. genome has the longest time between 34. Comparing the time-course of onset from exposure to first signs/symptoms, exposure and onset of symptoms. a. intoxification b. bacterial infection . viral infection d, all have equal time course e. none of these 85. You are concerned a patient at your residential facility may have flesh eating bacteria. MRSA, however, has also been e at the facility recently. You remember from microbiology class a simple test you could perform to quickly determine which may be the microbe involved. Choose the one best answer, given what may be available at your facility a. catalase b. coagulase c blood agar plate d. gene sequencing e. Gram stain viruses leaves the capsid head at the surface of the host cell. 36. Entry via a. endocytosis // enveloped d. endocytosis naked b. direct entry//enveloped C direct entry/ naked e. membrane fusion // naked 37. This bacterium lacks ability to make its own ATP. It lives inside a fresh water protozoan that often is found living in water line for air conditioning units. It was first discovered when member of the American Legion were attending a conference in Philadelp in 1976. b. Legionella pneumophi e. Streptococcus pneumoniae c. Mycobacterium tuberculosis a. Pseudomonas oeruginosa d. Mycoplasma pneumonioe 38. Classification of this pathogenic bacterial genus is done by several different schemes, including Lancefield groups, types of hem olysis, and biochemical properties a. Bacillus b. c. Stophylococcus d. Listeria e. Streptococcus 39. This Gram negative bacterium forms diplococcic and is fastidious Ineeds to be grown on a blood agar platel. Members of f genus can cause meningitis or gonorrhea. a. Listerid b. Salmonella c. Bacillus d. Neissseria 40. This Gram positive rod forms pallisades due to snapping division. One species produces the diphtheria toxin. a. Listeria b. Salmonella c. Bocillus d. Neissserio e. Corynebacterium

Explanation / Answer

29. Option D is correct.

The envelope of enveloped viruses predominantly contains phospholipids derived from the host cell membrane.

30. Option D is correct.

Chlamydia infections are relatively hard to cure.

31. Option C is correct.

Antibiotics are ineffective against viruses.

32. Option A is correct.

The specificity of viruses can be conveyed by the glycoprotein spikes in the capsid.

33. Option E is correct.

The genomes of viruses show great variation and determines how the virus replicates in a cell.

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