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Study Resources (Business Management)

MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1)Food microbiology applies to A)the use of microorganisms to make food. B)the use of microorganisms to make food and the control microbial activity to prevent foodborne illness. C)using microbes to solve agricultural problems. D)using microbes to improve livestock and.
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    11) An elderly woman is experiencing fever, chest pain, difficulty breathing, and a cough that occasionally brings up mucus containing blood. She reports having visited family in rural New Mexico over the Labor Day weekend. A GMS-stained sample from her lungs shows the presence of large spherules. Which of the.
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  TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 46) Staphylococcus aureus food poisoning is long-lasting because ingested bacteria produce enterotoxins in the digestive system.   47) In contrast to other mycobacteria, Mycobacterium avium-intracellulare simultaneously affects almost every organ in the body.   48) Staphylococcus aureus can.
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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1) Which of the following bacteria is responsible for the most common bacterial gastroenteritis in the United States, usually accompanied by frequent, bloody diarrhea? A) Vibrio vulnificus B) Vibrio cholerae C) Chlamydophila pneumoniae D) Borrelia recurrentis E) Campylobacter jejuni   2) A.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 56) Wounds contaminated with Vibrio (cholera/parahaemolyticus/vulnificus) can lead to potentially fatal septicemia.   57) If the mother has (chlamydia/syphilis) at the time of birth, the pathogen can infect the newborn's eyes and may cause blindness.   58).
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    21) The transmission of enteric hepatitis is most effectively prevented by A) safe sex practices. B) good public sanitation and personal hygiene. C) immunization. D) reducing aerosol dispersion. E) vector control.   22) Which of the following characteristics distinguishes coronaviruses from rhinoviruses? A) replicate best at 33°C B) transmitted via respiratory droplets C) envelope is present D) cause common.
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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1) In asthmatic individuals, the "common cold" caused by rhinoviruses can be treated A) with the prescription antiviral pleconaril. B) for symptoms only (antihistamine, decongestant, pain reliever). C) with interferons. D) with the prescription antiviral ribavirin. E) for symptoms or.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 56) An intestinal parasite that is an emerging disease in North America, (Cryptosporidium/Cyclospora/Entamoeba) causes a watery diarrhea with fever.   57) Acanthamoeba and (Entamoeba/Naegleria/Plasmodium) cause rare and usually fatal infections of the brain.   58) With each.
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    31) Which of the following viruses is responsible for erythema infectiosum? A) human herpesvirus 4 B) human herpesvirus 1 C) adenoviruses D) varicella E) B19 virus   32) A scientist discovers a new virus that causes mild respiratory disease in humans. He is able to isolate, purify, and characterize the virus. The virus preparation contains double-stranded.
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    31) Elephantiasis is caused by A) filarial roundworms. B) flatworms. C) liver flukes. D) tapeworms. E) blood flukes.   32) Which of the following vectors may spend their entire life associated with a single host individual? A) spiders B) fleas C) mites D) ticks E) lice   33) Which of the following is the most important vector of.
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    21) Which of the following statements about Bacillus anthracis is FALSE? A) It has a capsule. B) It produces endospores. C) It is primarily a disease of humans. D) It normally dwells in the soil and can survive in the environment for centuries or longer. E) It can be lethal even after treatment because.
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    11) A lung specimen from a pneumonia patient contains Gram-negative bacilli. Laboratory test results on the bacteria show they are nonmotile coliforms with a thick capsule. Which pathogen is the likely cause of the pneumonia? A) Escherichia coli B) Serratia C) Klebsiella D) Enterobacter E) Hafnia   12) Which of the following coliforms is the most.
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    31) What characteristic of Borrelia burgdorferi makes it an unusual bacterium? A) it utilizes manganese instead of iron in its proteins and enzymes. B) infected ticks must remain on a host for 48 hours in order to spread Lyme disease. C) it causes dermatological, cardiovascular, and neurological abnormalities, as well as arthritis. D).
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    11) Which of the following viruses is suspected of being a cause of diabetes mellitus? A) coxsackie B virus B) coxsackie A virus C) echoviruses D) hepatitis A E) enteroviruses   12) Which of the following viruses may cause viral meningitis? A) rhinoviruses B) echoviruses C) coxsackie viruses D) both echoviruses and rhinoviruses E) both echoviruses and coxsackie viruses   13) Enteric.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 56) An RNA that can be used by a ribosome to translate into protein is (double/positive/negative) strand RNA.   57) The clinical term for "runny nose" is (rhinorrhea/rhinovirus).   58) Infection of day-care-age children with (HIV/RSV/SSPE) results.
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  TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 46) Some scientists believe that Shigella may actually be a strain of Escherichia coli that has become oxidase positive.   47) Humans are the sole hosts of Salmonella typhi.   48) Lipid A causes disseminated intravenous coagulation (DIC)..
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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is an accidental parasite of humans? A) Balantidium coli B) Plasmodium C) Ascaris lumbricoides D) Entamoeba histolytica E) Acanthamoeba   2) Which of the following organisms can colonize the nasal cavity and enter the brain to cause.
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    11) Severe watery diarrhea with a "rotten-egg" smell accompanied by abdominal pain, bloating, and fever are signs and symptoms consistent with A) cryptosporidiosis. B) balantidiasis. C) leishmaniasis. D) Chagas' disease. E) giardiasis.   12) Which of the following species of Plasmodium causes cerebral malaria? A) only P. falciparum B) P. ovale and P. malariae C) P. ovale and.
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    11) Streptococcus agalactiae is associated with which of the following diseases? A) neonatal pneumonia B) neonatal bacteremia C) neonatal meningitis D) both neonatal bacteremia and neonatal meningitis E) neonatal bacteremia, neonatal meningitis, and neonatal pneumonia   12) Which of the following statements regarding Streptococcus pyogenes is FALSE? A) It produces protein A, which inhibits opsonization. B) It.
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    21) The easiest way to prevent Taenia infection in humans is to A) vaccinate cows and pigs. B) spray pastures and grazing lands with toxins that kill the parasite. C) identify patients with cysticerci in their muscles. D) vaccinate humans who are in contact with cows and pigs. E) thoroughly cook or freeze meat.   22).
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    11) Epidemic typhus can recur many years after an initial episode; the recurrent disease is called A) scrub typhus. B) parrot fever. C) Brill-Zinsser disease. D) murine typhus. E) avian typhus.   12) Which of the following diseases is considered an emerging disease because it was unknown before 1987? A) murine typhus B) Brill-Zinsser disease C) Rocky Mountain.
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  ESSAY.  Write your answer in the space provided or on a separate sheet of paper. 73) Compare and contrast acute bacterial meningitis and meningococcal meningitis, including etiologic agents, pathology, and epidemiology.   74) Why is treatment with antimicrobial drugs not encouraged in patients with diarrhea caused by enteric bacteria?   75) Compare and contrast Yersinia.
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    31) Which of the following is a false morel that causes bloody diarrhea, convulsions, and death within two days? A) Mucor B) Aspergillus flavus C) Amanita phalloides D) Gyromitra esculenta E) Sporothrix schenckii   32) Ergometrine, which is used to stimulate labor contractions, is a product of A) Exophiala. B) Amanita phalloides. C) Claviceps purpurea. D) Piedraia hortae. E) Aspergillus.
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    31) A sample of fluid from the lungs contains microbes that grow in filaments or clumps. The cells stain poorly in the Gram stain and are a pink-red when acid-fast stained. The bacteria in the sample are A) Nocardia species. B) Mycobacterium species. C) Actinomyces species. D) Mycoplasma species. E) not identifiable with this.
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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1) What is unique about the Hepadnaviridae family of viruses? A) they contain double-stranded DNA. B) they contain double-stranded RNA. C) they contain single-stranded DNA. D) they contain RNA. E) they contain both single-stranded DNA and double-stranded DNA.   2) Which of.
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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is an opportunistic pathogenic fungus in humans? A) Candida albicans B) Paracoccidioides brasiliensis C) Blastomyces dermatitidis D) Histoplasma capsulatum E) Coccidioides immitis   2) Opportunistic fungi A) are not tracked by epidemiologists. B) are normal microbiota for many.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 56) Immunization with (chickenpox/cowpox/monkeypox) will provide protection against smallpox.   57) Painful, blister-like lesions that progressively become filled with pus suggest infection with a(n) (herpesvirus/poxvirus).   58) Human herpesvirus (1/2/3/4) is usually associated with lesions on the.
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    21) Which of the following dermatophytes infects hair as well as skin? A) Malassezia furfur B) Microsporum canis C) Trichophyton rubrum D) Epidermophyton floccosum E) Fonsecaea pedrosoi   22) White patches on the surface of the tongue and the oral mucosa accompanied by inflammation and swelling are signs consistent with A) cryptococcosis. B) sporotrichosis. C) aspergillosis. D) coccidioidomycosis. E) thrush.   23).
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MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 1) Strains of Neisseria spp. need which of the following structural features to be pathogenic? A) fimbriae B) a capsule C) lipooligosaccharide (LOS) in its wall D) both a capsule and LOS E) a capsule, fimbriae and an LOS   2) Lipid.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 58) Coliforms are distinguished from noncoliforms by their ability to ferment (glucose/citrate/lactose).   59) Neisseria is distinguished from many other Gram-negative pathogens by being (catalase/oxidase/dismutase) positive.   60) Because of the existence of (acute/symptomatic/asymptomatic) carriers, the eradication.
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    11)Which of the following items that are commonly added during food preparation can be considered a preservative? A)yeast B)garlic C)whey D)meat broth E)apple juice   12)Which of the following is considered an intrinsic factor for food spoilage? A)degree of processing B)storage temperature C)amount of preservatives D)water content E)storage packaging   13)Pickling is an effective means of food preservation involving A)increasing salt concentration. B)reducing.
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  TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 46) Chlamydophila pneumoniae is suspected of causing arteriosclerosis.   47) All of the rickettsias are zoonoses.   48) Campylobacter gastroenteritis is usually caused by ingestion of contaminated poultry.   49) Vibrio vulnificus causes septicemia that is self-limiting and rarely.
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  TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 46) As the name implies, polyomaviruses are common causes of viral cancers in humans.   47) The first documented human disease to be eradicated was smallpox.   48) Erythema infectiosum is a dangerous but treatable disease.   49) Human.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 56) Most fungi exist as (parasites/saprobes/autotrophs) and function as the major decomposers of organic material.   57) Infections with (dermatophytes/pathogens/opportunists) are commonly acquired by person-to-person direct contact.   58) The true pathogenic fungi responsible for systemic mycoses.
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  TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 46) Griseofulvin is an effective antifungal with no lasting side effects.   47) Dermatophytes, which live on the surface of the skin, are always pathogenic.   48) Fungi that cause systemic mycoses are uniformly acquired by ingesting contaminated.
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    31) Which of the following bodily fluids is commonly a source of infection by HIV? A) vaginal secretions B) breast milk C) semen D) both semen and vaginal secretions E) breast milk, semen, and vaginal secretions   32) An emerging fatal disease in humans caused by one of the members of the Paramyxoviridae is known as.
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    21) Which of the following viruses is a DNA virus that infects liver cells? A) adenoviruses B) herpesviruses C) poxviruses D) polyomaviruses E) hepadnaviruses   22) Adenoviruses infect A) the respiratory tract. B) the digestive tract. C) the nervous system. D) both the digestive tract and the respiratory tract. E) both the respiratory tract and the nervous system.   23) A young.
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    31) A cystic fibrosis patient develops a severe respiratory infection that resists treatment with standard antibiotics. A specimen from the lungs is greenish in color and contains aerobic motile Gram-negative bacilli. The patient is probably infected with A) Serratia marcescens. B) Bordetella pertussis. C) Klebsiella pneumoniae. D) Burkholderia cepacia. E) Pseudomonas aeruginosa.   32) What is.
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    11) An older adult is complaining of an intensely painful rash that has appeared as a patch on one side of his chest. This description is consistent with A) roseola. B) chickenpox. C) whitlow. D) shingles. E) smallpox.   12) Which of the following human herpesvirus infections is associated with a 30-80% fatality rate? A) neonatal.
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    21) Cat scratch disease is caused by A) Bartonella henselae. B) Bartonella peliosis. C) Bartonella angiomatosis. D) Bartonella bacilliformis. E) Bartonella quintana.   22) Bordetella pertussis causes disease by A) forming a pseudomembrane that obstructs the larynx. B) interfering with the action of the ciliated epithelial cells of the trachea. C) irritating the diaphragm, which leads to severe.
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    21) Sexually transmitted chlamydia is similar to infection with Yersinia pestis in that they both can produce A) pneumonia. B) conjunctivitis. C) buboes. D) pelvic inflammatory disease in females. E) urethritis.   22) Which of the following pairs is MISMATCHED? A) Chlamydia trachomatis; nongonococcal urethritis B) Chlamydia trachomatis; pneumonia C) Chlamydophila psittaci; parrot fever D) Chlamydophila psittaci; endocarditis E) Chlamydophila.
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  SHORT ANSWER.  Write the word or phrase that best completes each statement or answers the question. 56) A "summer cold" that lasts for weeks and is characterized by sore throat, mild fever, dry cough, and malaise may be (pneumococcal/walking) pneumonia.   57) The presence of mycolic acid in the cell walls of.
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