Description : Which of the following is a fomite? a. Turtle b. Water c. Bed Linens d. Food
Last Answer : c. Bed Linens
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 : _________ fever was the first human disease associated with a virus. Walter Reed identified _________ as the carrier. a. Lassa, rats b. Dengue, mosquitoes c. Ebola, bats d. Yellow, mosquitoes
Last Answer : d. Yellow, mosquitoes
Description : During the first 10 minutes after injection of phage DNA, no phage can be recovered by disrupting the infected bacterium. This is termed as A- eclipse period B- rise period C- latent period D- burst size
Last Answer : eclipse period
Description : The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of ... mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell
Last Answer : C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off
Description : Antibiotics and chemotherapeutic agents have been available to doctors since a. The Civil War. b. The days of the Roman physicians. c. 1965 d. The 1940s.
Last Answer : d. The 1940s.
Description : Immunosuppressive agents used in preventing transplant rejection primarily affect a. macrophages. b. neutrophils. c. dendritic cells. d. T cells.
Last Answer : d. T cells.
Description : Alcohols are a. Surfacants. b. Heavy Metals. c. Denaturing Agents. d. Detergents
Last Answer : d. Detergents.
Description : Phenolics include chemical agents a. Such As The Iodophores. b. Derived From Carbolic Acid. c. Used As Tiñctures. d. Such As Formaldehyde. ,
Last Answer : d. Such As Formaldehyde. ,
Description : Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? A- .Vacomycin B- Polymyxin C- Trimethoprim D- None of these
Last Answer : None of these
Description : By which of the following means antifungal chemotherapeutic agents may affect fungi? A- Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis B- ... membrane-bound enzymes like thoseinvolved in nutrient transport and chitin synthesis D- all of these
Last Answer : all of these
Description : Which of the following chemotherapeutic agents may affect the growth of Campylobacterjejuni? A- Vacomycin B- Polymyxin C- Trimethoprim D- .None of these
Last Answer : .None of these
Description : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae
Last Answer : d. Algae
Description : The vector transmitting Leishmaniasis is the a. Mosquito. b. Sand fly. c. Tsetse fly. d. Sand flea.
Last Answer : b. Sand fly
Description : The promoter on an expression vector used to overproduce proteins in bacteria is A.a bacterial promoter B.expressed both in bacteria and mammalian cells C.not a regulated promoter D.the natural promoter of the gene being cloned
Last Answer : A.a bacterial promoter
Description : Which of the following defines an open reading frame (ORF)? A.A sequence of genome in bacteriophage B.The sequence of a complete genome C.A plasmid vector used in genome sequencing D.A possible gene predicted by DNA sequencing
Last Answer : D.A possible gene predicted by DNA sequencing
Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing
Last Answer : .A possible gene predicted by DNA sequencing
Description : Why did the poet use crow and hemlock tree as the agents in the poem? (a) As he wanted to use the contrast of black and white (b) He wanted to convey that negative carrier can bring happiness(c) He wanted to show the effects of nature (d) All of the above
Last Answer : (b) He wanted to convey that negative carrier can bring happiness
Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)
Last Answer : (d) (ii) and (iv)
Description : The function of a viral capsid is A.protection against the viral genome from physical and enzymatic destruction B.providing binding sites that enable the virus to attach to specific receptor sites on the host ... C.serving as a vehicle of transmission from one host to another D.all of the above
Last Answer : D.all of the above
Description : What is carrier DNA or vector DNA?
Last Answer : The DNA which is used to transfer the desired gene isolated from another cell into a new host is called carrier DNA or vector DNA.
Description : The DNA molecule to which the gene of interest is integrated for cloning is called (a) template (b) carrier (c) transformer (d) vector.
Last Answer : (d) vector.
Description : Indicate the disease in which penicillin G continues to be used as first line treatment in all cases (unless contraindicated), because the causative organism has not developed resistance so far: A. Gonorrhoea B. Syphilis C. Staphylococcal abscess D. Haemophillus influenzae meningiti
Last Answer : B. Syphilis
Description : Four middle-aged people were reminiscing about their individual journeys through life. Two of them were college grads, and the other two were business people. The first was heard to say, 'When I happened upon ... well as my wasting my money on $5,000 toupees, raccoon coats, and buying a R -Riddles
Last Answer : The four people had just finished playing the board game, LIFE, and were discussing some of the good and bad things they had encountered while playing.
Description : I'm a Certified Medical Assistant who would love to employ as a "Home Healthcare" person, but am finding so much opposition as in 'are you a CNA'. I don't get this, I am over qualified so what is the issue Please shed some light as I am very frustrated.?
Last Answer : You need to get a lawyer and ask him to file an appeal for you. When it comes to family law, these things can get very complicated and you do not want to lose or make a mistake!
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 : Do COVID 19 come again for a person once recovered from it?
Last Answer : The simple answer is "yes" because it has not been confirmed that the human blood usual production antibodies to become immune to diseases it has been fully treated from is effective against covid19. ... person who has been treated from it if proper precautions are not observed. So please stay safe
Description : Mark correct option a) If any postal article on which postage or any other sum chargeable is refused or returned as aforesaid, or if the addressee is dead or cannot be found, then the sender ... postal article denoting that any postage or other sum is due in respect thereof e) All the above
Last Answer : e) All the above
Description : How do you explain a person who knowingly continues a behavior that is hurtful to others?
Last Answer : I would say they have a personality disorder and require treatment to learn how to control their actions.
Description : Five male teenagers and five female teens each step into ten separate circles. The males make disparaging remarks to the females while pointing their thumbs downward, and the female teens respond to ... loudly, until only one person is left who is legally performing the maneuver within t -Riddles
Last Answer : The two five-member teams are competing in a hula-hoop endurance contest. The theme song played during the competition is one of The Chipmunks greatest hits called: The Chipmunk’s Hula-Hoop Christmas Song.
Description : There are 100 light bulbs lined up in a row in a long room. Each bulb has its own switch and is currently switched off. The room has an entry door and an exit door. There are 100 people ... And how many of the light bulbs are illuminated after the 100th person has passed through the room? -Riddles
Last Answer : First think who will operate each bulb, obviously person #2 will do all the even numbers, and say person #10 will operate all the bulbs that end in a zero. So who would operate for example bulb 48: Persons numbered: 1 & 48 ... 100 (1, 4, 9, 16, 25, 36, 49, 64, 81 & 100) hence 10 bulbs remain on.
Description : Why is tetanus considered a disease of the nervous system?
Last Answer : Tetanus is a disease caused by a Gram- positive, spore- forming anaerobic rod called Clostridium tetani.This organism often exists in the spore form in the human and animal intestine and passes to ... Since the primary effect is in the nervous system, tetanus is considered a disease of this system.
Description : In 1842, Edwin Chadwick's report raised the possibility that sewage spreads disease along with a ______ outbreak which began the ________ movement. a. typhoid, aseptic b. cholera, sanitation c. polio, immunization d. none of the above are correct
Last Answer : b. cholera, sanitation
Description : _______ disease develops on the hands or feet. Sores on the skin become infected with Mycobacterium marinum in polluted water or in infected fish. a. Fish handlers b. Cholera c. Cowpox d. Rotovirus e. Coxsackie
Last Answer : a. Fish handlers
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 : : _____ 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 : Severe combined immunodeficiency disease refers to a condition wherein a patient a. Cannot produce T and B cells. b. Interferon. c. Antigen-presenting cells. d. Hydrogen peroxide in phagocytes
Last Answer : a. Cannot produce T and B cells.
Description : Hashimoto disease and Graves‘ disease are similar in that both a. Affect the thyroid gland. b. Affect the red blood cells. c. Are forms of cellular hypersensitivity? d. Are accompanied by histamine release.
Last Answer : b. Affect the red blood cells.
Description : Which one of the following applies to the disease systemic lupus erythematosus (SLE)? a. It is a type of cytotoxic hypersensitivity. b. It is often accompanied by a butterfly rash. c. It is due to an overreaction of T lymphocytes. d. It is the result of a cellular hypersensitivity.
Last Answer : d. It is the result of a cellular hypersensitivity.
Description : All the following are associated with hemolytic disease of the newborn except: a. It is one of the most common diseases among Americans. b. It may occur if an Rh (-) female conceives a child who ... antibodies. d. It can be prevented by using rhogam. 16 Which one of the following applies to the
Last Answer : b. It may occur if an Rh (-) female conceives a child who is Rh (+).
Description : An HIV patient with swollen lymph nodes and CD4 T cell count of would be in stage of HIV disease/AIDS. a. 1,000; stage II b. 700; stage I c. 400; stage III d. 400; stage IV
Last Answer : a. 1,000; stage II
Description : What immunodeficiency disorder is associated with a tack of T and B cells and complete immune dysfunction? a. DiGeorge syndrome b. Severe combined immunodeficiency disease c. Chronic granulomatous disease d. Chédiak-Higashi syndrome
Last Answer : b. Severe combined immunodeficiency disease
Description : Serum sickness is a common symptom of a. Contact dermatitis. b. Hemolytic disease of the newborn. c. Immune complex hypersensitivity d. Food allergies.
Last Answer : c. Immune complex hypersensitivity
Description : If a serum is given to prevent a disease it is called a ______. a. therapeutic b. prophylactic c. synthetic d. convalescent
Last Answer : b. prophylactic
Description : What is the advantage of a recombinant subunit vaccine? a. it can't cause disease b. adverse reactions are rare because only the important subunits of the antigen are included c. the vaccine is not made from blood fragments d. A-C are correct
Last Answer : d. A-C are correct
Description : Why are inactivated vaccines safer than attenuated vaccines? a. they can't mutate and cause the disease b. they last a lifetime c. they are easier to administer d. they aren't any better
Last Answer : a. they can't mutate and cause the disease
Description : Exposure to the flu virus, contracting the flu, and recovering from the disease would be an example of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.
Last Answer : b. Naturally acquired active immunity.
Description : Of the five classes of antibodies,_____ and_____ are primary disease fighters, while secretory _____ is found on body (mucosal) surfaces. a. IgA, IgG, IgD b. IgG, IgA, IgM c. IgG, IgD, IgM d. IgG, IgM, IgA
Last Answer : d. IgG, IgM, IgA
Description : Resistance to disease in the passageways of the respiratory and gastrointestinal tract is dependent on antibodies in the class _____. a. IgG b. IgA c. IgE d. IgM
Last Answer : b. IgA