Description : Newly emerging viruses causing human disease can arise from a. Species Jumping. b. Mutations. c. Genetic Recombination. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct.
Description : Medical management of arthropod-borne virus (arboviral) encephalitis is aimed at a) controlling seizures and increased intracranical pressure. There is no specific medication for arboviral ... muscular atrophy. Medical management is aimed at controlling seizures and increased intracranial pressure.
Last Answer : a) controlling seizures and increased intracranical pressure. There is no specific medication for arboviral encephalitis. Medical management is aimed at controlling seizures and increased intracranial pressure.
Description : Transmitted by an arthropod. a. Filariasis b. Trichinosis c. Hookworm disease
Last Answer : a. Filariasis
Description : Two methods for transmitting leprosy are a. Arthropod Bites And Fomites. b. Skin Contact And Respiratory Droplets. c. Arthropod Bites And Contaminated Food. d. Contaminated Water And Food.
Last Answer : b. Skin Contact And Respiratory Droplets.
Description : An example of a virus causing cytopathic effects is _____. a. Paraxyxoviruses causeing syncytia b. Infectious mononucleosis with foamy-llking cytoplasm c. Rabies causing Negri bodies d. A-C are correct
Last Answer : d. A-C are correct
Description : The primary North American vector transmitting arthropodborne virus encephalitis is the a) mosquito Arthropod vectors transmit several types of viruses that cause encephalitis. The primary vector in North America is ... the mosquito. d) flea. The primary vector in North America is the mosquito.
Last Answer : a) mosquito Arthropod vectors transmit several types of viruses that cause encephalitis. The primary vector in North America is the mosquito.
Description : The fecal-oral route is the mode of transmission for the _____. a. Hepatitis A virus. b. Hepatitis B virus. c. Hepatitis A and B viruses. d. All hepatitis viruses.
Last Answer : b. Hepatitis B virus.
Description : A common trait among Herpes viruses is _____. a. Lysogeny b. Lysis c. Laxity d. Latency
Last Answer : d. Latency
Description : Viruses can be grown on _____. a. nutrient agar b. nutrient broth c. blood agar d. tissue culture
Last Answer : d. tissue culture
Description : Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal ... the action of drugs on viruses and allows them to continue multiplying in living cells.
Last Answer : a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA.
Description : Attenuated viruses are those that _____. a. can be used to treat viral disease. b. give rise to viroids and prions. c. multiply in cells but at a low rate. d. have been treated with chemicals such as formaldehyde.
Last Answer : c. multiply in cells but at a low rate.
Description : The process of conjugation in bacteria requires that _____. a. Two Types Of Viruses Be Present. b. The Conjugating Bacteria Be Deprived Of Nutrients. c. Two Bacteria Exchange Dna. d. Two Live Bacteria Come Together.
Last Answer : d. Two Live Bacteria Come Together.
Description : Ivanowsky, Beijerinck and Reed all began studies with particles smaller than the filters they were working with. This began the study of _____. a. measles b. viruses c. prions d. bacteria
Last Answer : b. viruses
Description : : _____ is an exaggerated or inappropriate immune defense that is causing the problems in an affected individual. a. Hypersensitivity b. Autoimmune disease c. AIDS d. HIV
Last Answer : a. Hypersensitivity
Description : Why should you get a new influenza vaccine every year? a. it wears off fast b. the viruses change rapidly c. you need a booster to keep the immune level up d. none of the above are correct
Last Answer : b. the viruses change rapidly
Description : An attenuated vaccine is one that a. Can provide life-long immunity. b. Contains live microbes or viruses. c. Is closest to the natural pathogens. d. All the above (a-c) are correct.
Last Answer : d. All the above (a-c) are correct.
Description : The oncogene theory states that transforming genes a. Normally Occur In The Host Genome. b. Can Exist In Viruses. c. Are Not Of Viral Origin. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct
Description : Which of the following is NOT an autoimmune disease? a. Myasthenia gravis b. Type i diabetes c. Systemic lupus erythematosus d. Rheumatoid arthritis e. All of the above are autoimmune disorders
Last Answer : e. All of the above are autoimmune disorders
Description : What is the advantage of the attenuated viruses in a vaccine?
Last Answer : Attenuated viruses can be taken orally because they will survive passage into the gastrointestinal tract and will be absorbed into the blood stream. The method of administration is therefore easier than by ... this reason they may be advantageous when an epidemic is taking place or is anticipated.
Description : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi
Last Answer : c. Tetracycline-viruses
Description : In the soil, antibiotics are produced by some a. Fungal species and viruses. b. Bacterial species and viruses. c. Viruses and helminthic species. d. Fungal and bacterial species.
Last Answer : d. Fungal and bacterial species.
Description : Which investigator developed a polio vaccine containing inactivated viruses? a. Enders b. Sabin c. Jenner d. Salk
Last Answer : b. Sabin
Description : These viruses multiply first in the tonsils and then the lymphoid tissues of the gastrointestinal tract. a. Rabies virus b. Rotavirus c. Polio virus d. Hepatitis A virus
Last Answer : c. Polio virus
Description : .__________are the single most important cause of diarrhea in infants and young children admitted to American hospitals. a. Noroviruses b. Echoviruses c. Hepatitis A viruses d. Rotaviruses
Last Answer : d. Rotaviruses
Description : A long thread-Like RNA virus is typical of the viruses. a. hepatitis C b. Ebola c. polio d. West Nile
Last Answer : b. Ebola
Description : Which of the following viruses has a vaccine to prevent it? a. HPV b. HIV c. fifths disease d. herpes simplex I
Last Answer : a. HPV
Description : Which one of the folLowing statements is NOT true of the influenza viruses? a. They have a segmented genome. b. The genome is double-stranded DNA. c. The viruses have an envelope. d. There are three types of flu viruses
Last Answer : b. The genome is double-stranded DNA.
Description : Which of the following are oncogenic viruses? a. polio b. HIV c. HPV d. rabies
Last Answer : c. HPV
Description : Which of the following viruses is a retrovirus with reverse transcriptase? a. HPV b. polio c. HIV d. Ebola
Last Answer : c. HIV
Description : Rivers' postulates can be used to a. locate an oncogene in a cell that is cancerous. b. develop inactivated viruses for use in a vaccine. c. eliminate viruses with certain chemical agents. d. relate a particular virus to a particular disease.
Last Answer : d. relate a particular virus to a particular disease.
Description : Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.
Last Answer : a. Cellular Origins Hypothesis.
Description : Which one of the following scientists was NOT involved with discovering viruses? a. Felix d‘Herrelle b. Dimitri Ivanowsky c. Robert Fleming d. Martinus Beijerinck
Last Answer : c. Robert Fleming
Description : Transposons are of particular significance because they a. often contain genes for antibiotic resistance. b. inhibit the effects of overlapping genes. c. come in pairs and often are associated with viruses. d. regulate gene transcription in bacterial cells.
Last Answer : a. often contain genes for antibiotic resistance.
Description : When is a HEPA filter used? a. To Filter Bacteria Out Of A Vaccine b. To Trap Particles In The Air c. To Protect Burn Victims d. To Separate Bacteria And Viruses
Last Answer : b. To Trap Particles In The Air
Description : Which of the following terms best fits the destruction of all living micobes, spores and viruses. a. Sanitization b. Sterilization c. Aseptic Technique d. Pasteurization
Last Answer : b. Sterilization
Description : Which of the following characteristics would not be used to classify viruses? A.Type of cell wall structure B.Type of nucleic acid C.Presence of an envelope D.Symmetry
Last Answer : A.Type of cell wall structure
Description : The virus(es) which can cause aseptic meningitis is/are A.Polioviruses B.Coxsackieviruses C.Echo viruses D.All of these
Last Answer : D.All of these
Description : Which of the following oncogenic viruses was first detected? A.Rous sarcoma virus. B.Epstein-Barr virus C.Herpes simplex virus type 2 D.Human T cell leukaemia virus
Last Answer : A.Rous sarcoma virus.
Description : Usually viruses are separated into several large groups based primarily on A.nature of the host B.nucleic acid characteristics C.capsid symmetry D.diameter of the viroin or nucleocapsid
Last Answer : A.nature of the host
Description : Which of the following infection(s) can be diagnosed by the use of polymerase chain reaction? A- HIV-1 and HIV-2 viruses B- Hepatitis B virus C- Mycobacterium tuberculosis D- All of these
Last Answer : All of these
Description : A viral load test detects the A- provirus of HIV in infected cells B- .total amount of virus in the infected host C- number of viruses being released by each infected cell D- .amount of bacteriophage being produced by E. coli cells
Last Answer : provirus of HIV in infected cells
Description : What does the positive strand in double stranded RNA viruses stands for? A- rRNA B- tRNA C- .mRNA D- None of these
Last Answer : .mRNA
Description : Which of the following hepatitis viruses is not RNA virus? A- Hepatitis A virus B- Hepatitis B virus C- Hepatitis E virus D- Hepatitis G virus
Last Answer : Hepatitis B virus
Description : Recombination of virus genomes occurs A- by transduction B- by transcription C- simultaneous infection of a host cell by two viruses with homologous chromosomes D- by transformation
Last Answer : simultaneous infection of a host cell by two viruses with homologous chromosomes
Description : Which of the following theory is supported by the genomic sequence of the obligate intracellularparasite Rickettsia prowazekii ? A- Parasitic bacteria have very large genomes B- Parasites have a ... viruses C- Mitochondria have evolved from endosymbiotic bacteria D- All bacteria evolved from viruses
Last Answer : Mitochondria have evolved from endosymbiotic bacteria
Description : The terms mycelium and hyphae are associated with A- algae B- fungi C- protozoa D- viruses
Last Answer : fungi
Description : What is Mycology? A-Study of viruses B- Study of nucleic acid C- Study of bacteria D-Study of fungi
Last Answer : Study of fungi
Description : What is Mycology? A- Study of viruses B- Study of nucleic acid C- Study of bacteriaD- Study of fungi
Description : Mycoplasmas, rickettsiae, and chlamydiae are A- .types of fungi B- small bacteria C- species of protozoa D- forms of viruses
Last Answer : small bacteria
Description : The Rickettsias are transmitted to humans by _________. a. arthropods b. flies c. mosquitoes d. viruses
Last Answer : a. arthropods