| SCI250 Week 7 Final Examination – 4 points each. Please highlight, check and or underline the most appropriate response for each question.Section: Multiple Choice 1. Which of the following is NOT true of microorganisms?They produce antibiotics.They are used in the production of many types of food and beverages.They decompose dead animals.They all cause disease in humans.2. Which of the following is NOT one of the phases of bacterial growth?lag phasestationary phasedoubling phaselog phase3. In a properly executed Gram stain, Gram positive organisms appear ______ while Gram negative organisms appear ______pink, clear.pink, purple.purple, pink.purple, blue.4. Classification is necessary to _________establish criteria for identifying organisms.arrange related organisms into groups.provide information about how organisms evolved.All of the above5. An organism that lives at the expense of another organism is a ________host.commensal.parasite.symbiont.6. Undercooked pork is most likely to pass along ________Schistosoma.Tania.Wuchereria.Trichinella.7. Arthropods are responsible for transmitting _____ pathogens.viralbacterialprotozoanviral, bacterial, and protozoan8. Symbiosis is an association between ________two or more species.one or two species.two or more hosts.no species but all hosts.all species but not hosts.9. All of the following are true of the relationship between microorganisms and diseases EXCEPT:Sickle cell anemia patients are resistant to malaria.Bacterial infections can lead to endocarditis.Viral infections invariably lead to nutritional deficiency.Infections in the brain can result in mental disease. 10. Which of the following represents the correct order of steps in a typical viruses replication cycle?Maturation, adsorption, penetration, releaseAdsorption, penetration, release, maturationAdsorption, penetration, synthesis, maturationAdsorption, penetration, maturation, synthesis11. What special group of chemical substances are used to treat diseases by microbes?AntibioticsSynthetic drugsSemi-synthetic drugsAntimicrobial agentsChemotherapeutic agents12. Which of the following is NOT considered a mode of action by antimicrobial agents?Action as an antimetaboliteInhibition of protein synthesisInhibition of cell wall sysnthesisInhibition of membrane permeabilityDisruption of selective toxicity13. All of the following characteristics are components of nonspecific host defenses EXCEPT:FeverMucusAntibodiesInterferonInflammation14. What name is given to a substance that is recognized by the body as foreign and normally produces an immune response?AntibodyAntigenAgglutininAntitoxinApoptosis15. There are a number of different species that can live on the skin as resident microflora. Which of the following is NOT considered resident microflora of the skin? StaphylococcusCorynebacteriumE. coliDeodexAll of the above16. Defense mechanisms in the urogenital system are numerous and include ________normal flora complete with opportunists.sphincter muscles.flushing action of fluids.low pH.All of the above17. Food poisoning can be caused by a variety of microbes. Which of the following pairs is incorrect?Clostridium botulinum — enterotoxin which is heat liableStaphylococcus aureus — enterotoxin which is heat stablePseudomonas cocovenenans — bongkrek diseaseBacillus cereus — toxin is an emeticClostridium perfringens — enterotoxin and wound infection18. The upper respiratory tract consists of the ________pharynx.nasal cavity.bronchi.All of the above19. Group B Streptococcal disease include ________early onset neonatal sepsis and meningitis. late onset neonatal menegitis.etiology is Streptococcus agakactiae.All of the above20. In closed environments, such as military bases, dormitories, and day-care centers, 90% of the population can be carriers of this organism, yet only 1 per 1000 develops the meningitis. What is the etiology?Neisseria meningitidisHaemophilus influenzaeHaemophilus influenzae Streptococcus pneumoniaeListeria monocytogenes21. Food contamination occurs as a result of ________unsanitary practices by food handlers.improper storage.importation.All of the above |
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22. What is a possible symptom of Lyme disease?
- A bull’s-eye rash at the point of the insect bite
- Flulike symptoms
- Arthritis
- Symptoms resembling Alzheimer’s disease
- All of the above
23. Clinical symptoms of tuberculosis primarily result from ________
- host inflammatory response.
- mycotoxins.
- endotoxin.
- mucus production
- exotoxin
24. Widespread lesions with intense itching; other mites cause house dust allergy when their feces are inhaled by allergic individuals
- Rat bite fever
- Pasteurella multocida infection
- Tick paralysis
- Scabies
- Pediculosis
- Myiasis
25. Which of the following stains is used to classify microorganisms based on their cell wall content?
- Capsular stain
- Gram stain
- Spore stain
- Negative stain
- Methylene blue
SCI 250 MICROBIOLOGY Solution Links, Click the Following link to BUY
SCI 250 Week 1 Cell Division Template
SCI 250 Week 1 Staining Lab and Quiz
SCI 250 Week 1 Identifying Bacteria
SCI 250 Week 2 Parasitology Matrix
SCI 250 Week 2 Epidemiology Presentation
SCI 250 Week 3 Virus Matrix
SCI 250 Week 3 Team Summary-Microbial Resistance Debate
SCI 250 Week 4 Innate Defenses Matrix
SCI 250 Week 4 Immunity Activity
SCI 250 Week 4 Learning Team-Allergens-The Good and the Bad
SCI 250 Week 5 Integumentary System Lab and Quiz
SCI 250 Week 5 STD Informational Pamphlet – Appendix G
SCI 250 Week 5 Learning Team Activity-Smallpox-To Eradicate or Not to Eradicate
SCI 250 Week 6 Respiratory System Lab and Quiz
SCI 250 Week 6 Cardiovascular System Lab and Quiz
SCI 250 Week 6 Cardiovascular and Respiratory Systems in Health and Infections
SCI 250 Week 7 Nervous System Lab and Quiz
SCI 250 Week 7 Learning Team Activity-vCJD vs CJD
SCI 250 Week 7 Final Exam
