The term antibiotic was coined by _________to refer to
antimicrobial substances naturally derived from _______.
a. Waksman; bacteria and fungi
b. Domagk; other living organisms
c. Fleming; fungi and bacteria
d. Ehrlich; bacteria

1 Answer

Answer :

c. Fleming; fungi and bacteria

Related questions

Description : The re-isolation and purification of penicillin was carried out by a. Waksman. b. Florey and Chain. c. Domagk. d. Fleming.

Last Answer : b. Florey and Chain.

Description : Who discovered the first antibiotic ? (1) W Fleming (2) C Waksman (3) Louis Pasteur (4) A Fleming

Last Answer : A Fleming

Description : The idea of selective toxicity was first proposed by A- Antony van Leeuwenhoek B- Paul Ehrlich C- Louis Pasteur D- Alexander Fleming

Last Answer : Paul Ehrlich

Description : What poisonous substances naturally produced by bacteria plants snakes insects and other living organisms?

Last Answer : what provides the best protection against gamma rays

Description : All membranes of free-living organisms have phospholipid bilayers, but exception is A- bacteria B- fungi C- archaea D- protozoa

Last Answer : archaea

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 : Which of the following are antimicrobial defense mechanisms in the urethra? a. size and length of the urethra b. shedding of cells in the mucosal lining and bacteria with urination c. normally basic urine d. A-C are correct

Last Answer : b. shedding of cells in the mucosal lining and bacteria with urination

Description : The following statement(s) is/are true concerning initial microbiologic diagnostic techniques. a. Appropriate expeditious transport of specimens to the microbiology laboratory is essential for obtaining accurate ... a 4-to 8-fold increase over the MIC to be considered clinically efficacious.

Last Answer : Answer: a, c, d Because most surgical infections are polymicrobial, specimens should be cultured for aerobic and anaerobic bacteria, as well as fungi. Although aerobic and aerotolerant ... fold increase over MIC during the peak serum level have been demonstrated to be clinically efficacious

Description : Ehrlich and Hata discovered that was used to treat a. Salvarsan; syphilis b. penicillin; surgical wounds c. Salvarsan; malaria. d. Prontosil; malaria

Last Answer : a. Salvarsan; syphilis

Description : What is an antibiotic? (1) A chemical compound produced by a living organism that inhibits the growth of other organisms (2) Acompound synthesised by a living organism that inhibits the ... compound inhibiting the growth of other organisms (4) Asynthetic compound inhibiting the growth of bacteria

Last Answer : (4) Asynthetic compound inhibiting the growth of bacteria Explanation: Antibiotics, also known as antimicrobial drugs, are drugs that fight infections caused by bacteria. Alexander Fleming discovered the ... (not produced by microorganisms) that can also kill or inhibit the growth of microbes.

Description : What is an antibiotic ? (1) A chemical compound produced by a living organism that inhibits the growth of other organisms (2) A compound synthesised by a living organism that inhibits the ... compound inhibiting the growth of other organisms (4) A synthetic compound inhibiting the growth of bacteria

Last Answer : A synthetic compound inhibiting the growth of bacteria

Description : To the present time, over _____ antibiotic substances have been described and approximately _____ such drugs are available to the medical practitioner. a. 10,000; 100 b. 8,000; 100 c. 6000; 300 d. 4,000; 400

Last Answer : b. 8,000; 100

Description : Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it? (a) Algae and bacteria (b) Algae and fungi (c) Algae and bryophytes (d) Fungi and bryophytes

Last Answer : Ans:(b)

Description : A medium would involve the addition of the antibiotic methicillin to identify methicillin-resistant bacteria. a. differential b. selective c. thioglycollate d. VBNC

Last Answer : b. selective

Description : Which one of the following statements about fungi is NOT true? a. Some fungi are dimorphic. b. Fungi have cell walls made of chitin. c. Fungi are photosynthetic organisms. d. Fungi consist of the yeasts and molds.

Last Answer : c. Fungi are photosynthetic organisms

Description : Eukaryotic micro organisms include A- Protozoa B- .fungi C- Algae D- all of these

Last Answer : all of these

Description : The oldest eukaryotic organisms are considered to be A- diplomonads like Giardia B- archaea C- fungi D- animals

Last Answer : archaea

Description : Polymorphonuclear leukocytes (or PMNs) A- can be attracted to the site of an infection following activation of complement B- are derived from bone marrow stem cells C- are a type of phagocyte that can engulf and kill bacteria D- .all of the above

Last Answer : .all of the above

Description : Which of the following is/are included in Kingdom Prokaryotae? A- A.Bacteria B- B.Protozoa C- Fungi D- All of these

Last Answer : A.Bacteria

Description : Anaerobic degradation of proteins brought about by bacteria and fungi give the products like A- mercaptans and indole B-H2S C-both (a) and (b) D-None of these

Last Answer : both (a) and (b)

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 : Which of the following is/are included in Kingdom Prokaryotae? A-Bacteria B- Protozoa C- Fungi D-All of these

Last Answer : Bacteria

Description : Which one is not studied in microbiology? A- Bacteria B- Animal behavior C- Fungi D- Algae

Last Answer : Animal behavior

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 : In the three domain system, fungi would belong to the _____. a. Eukarya b. Bacteria c. plants d. Archaea

Last Answer : a. Eukarya

Description : Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista

Last Answer : d. Protista

Description : Which classification would include prokaryote cells that live in extreme conditions like hot springs and the Dead sea? a. Bacteria b. Fungi c. Viruses d. Archaea

Last Answer : d. Archaea

Description : Microbiology includes which of the following groups of microorganisms? a. bacteria b. fungi c. algae d. protozoa e. all the above

Last Answer : e. all the above

Description : What group of microbial agent was identified from the work of Ivanowsky a Beijerinck? a. Viruses b. Fungi c. Protozoa d. Bacteria

Last Answer : a. Viruses

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 : Which of the following early natural philosophers coined the term cells? a. Lister b. Koch c. Hooke d. Leeuwenhoek

Last Answer : c. Hooke

Description : Why is microbial control necessary and what are some of the factors that go into the choice of a particular antimicrobial agent?

Last Answer : The control of microorganisms is an important way of preventing pathogens from reaching the body.Sterilizing laboratory equipment, hospital supplies, and industrial apparatus helps contain contamination.The choice of a ... , the acidity or alkalinity of the area, and the presence of organic matter. 

Description : _____ is when an antimicrobial drug should harm the infectious agent but not the host. a. Selective toxicity b. Toxic dose c. Therapeutic dose d. Chemotherapeutic index

Last Answer : a. Selective toxicity

Description : Choose the correct statement about the role of opioid antimotility drugs in the management of diarrhoeas (a) They are used to control diarrhoea irrespective of its etiology (b) They should be ... therapy of diarrhoea (d) They are the drugs of choice in irritable bowel syndrome diarrhoea

Last Answer : Ans: B

Description : 4 Choose the correct statement about the role of opioid antimotility drugs in the management of diarrhoeas: A. They are used to control diarrhoea irrespective of its etiology B. They should ... antimicrobial therapy of diarrhoea D. They are the drugs of choice in irritable bowel syndrome diarrhoea

Last Answer : B. They should be used only as a short-term measure after ensuring that enteroinvasive organisms are not involved

Description : The use of prophylactic antibiotics has become commonplace. Which of the following statement(s) is/are true concerning the prophylactic use of antibiotics? a. The appropriate use of prophylactic ... d. The topical use of antimicrobial agents is of no advantage in the prophylactic setting

Last Answer : Answer: a Intravenous administration of an antibiotic is clearly indicated for patients undergoing clean contaminated operations. These antibiotics should be administered prior to surgery ... of antimicrobial agents is equivalent to the administration of intravenous antimicrobial agent antibiotics

Description : The persistent suppression of bacterial growth that may occur following limited exposure to some antimicrobial drugs is called (a) Time-dependent killing (b) The post antibiotic effect (c) Clinical synergy (d) Concentration – dependent killing (e) Sequential blockade

Last Answer : Ans: B

Description : Selective media facilitate growth of only one kind of organism.Saboraud medium is used to selectively isolate A- coliform bacteria B- gram positive bacteria C- .yeasts D- acid fast organisms

Last Answer : .yeasts

Description :  Name the gelatin-like substance which is prepared fro various species of red algae growing in Asiatic waters. The prepared product appears in the form of cakes, coarse granules, long ... or in combination with various nutritive substances, as a medium for culturing bacteria and various fungi  

Last Answer : ANSWER: Agar-agar or just Agar

Description : Which of the following is the false statement about antibiotics? (a) Some persons have allergy from antibiotics. (b) Antibiotics are capable of curing any disease. (c) This term was given by Waksman in 1942. (d) Antibiotics is produced by microorganisms.

Last Answer : (b) Antibiotics are capable of curing any disease.

Description : The organisms of diphtheria and ______ are known for their production of _______. a. Typhoid Fever; Antitoxins b. Typhoid Fever; Exotoxins c. Tetanus; Antitoxins d. Tetanus; Exotoxins

Last Answer : d. Tetanus; Exotoxins

Description : _______ was first used to catalog organisms into one of three domains. a. Photosynthesis b. Ribosomal RNA genes c. Nuclear DNA genes d. Mitochondrial DNA genes

Last Answer : b. Ribosomal RNA genes

Description : An antibiotic is - (1) achemical synthesized by a human cell against a microorganism (2) a chemical synthesised by amicro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.

Last Answer : (2) a chemical synthesised by amicro-organism against another microorganisms Explanation: An antibacterial is an agent that inhibits bacterial growth or kills bacteria. The term is often used ... by a microorganism that is antagonistic to the growth of other microorganisms in high dilution.

Description : An antibiotic is (1) a chemical synthesized by a human cell against a microorganism (2) a chemical synthesised by a micro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.

Last Answer : a chemical synthesised by a micro-organism against another micro-organisms

Description : .Living organisms have many complex characteristics. Which one of the following is shared by non- living matter as well? A-Homeostasis B- .Tissues C- .Reproduction D- Molecules

Last Answer : Molecules

Description : Living organisms have many complex characteristics. Which one of the following is sharedbynon-living matter as well?A- Homeostasis B- Tissues C- Reproduction D- Molecules

Last Answer : Molecules

Description : Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus

Last Answer : d. A cell nucleus

Description : Bacteria and fungi developing on dead decaying organisms are

Last Answer : Bacteria and fungi developing on dead decaying organisms are A. Parasites B. Commensals C. Saprophytes D. Symbionts

Description : Bacteria and fungi developing on dead decaying organisms are (a) Parasites (b) Commensals (c) Saprophytes (d) Symbionts

Last Answer : Ans:(c)

Description : Which of the following organisms does not fit into the Cell Theory? (1) Bacteria (2) Virus (3) Fungi (4) Plants

Last Answer : (2) Virus Explanation: The cell theory states that all living things are made of cells, cells are the basic units of structure and function of living things, and that all cells come from other cells.