Isoniazid has a very narrow drug spectrum as the active form of the
drug specifically interferes with cell wall synthesis in _____ by
inhibiting the production of mycolic acid in the cell wall.
a. Staphylococcus
b. Streptococcus
c. Enterococcus
d. Mycobacterium

1 Answer

Answer :

d. Mycobacterium

Related questions

Description : Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? A.The pathogen contains mycolic acid in its cell wall B.The pathogen can live inside macrophages C.Antibodies to the pathogen are protective D.None of these

Last Answer : C.Antibodies to the pathogen are protective

Description : Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? A.The pathogen contains mycolic acid in its cell wall B.The pathogen can live inside macrophages C.Antibodies to the pathogen are protective D.None of these

Last Answer : C.Antibodies to the pathogen are protective

Description : Swimmer's ear is commonly seen in children from swimming pools in the summer. It is often caused by _____. a. Streptococcus b. Staphylococcus aureus. c. Pseudomonas d. A-C are correct

Last Answer : d. A-C are correct

Description : Catalase production is negative in which of the following? A.Streptococcus B.Salmonella C.Proteus D.Staphylococcus

Last Answer : A.Streptococcus

Description : Catalase production is negative in which of the following? A- Streptococcus B- Salmonella C- Proteus D- Staphylococcus

Last Answer : Streptococcus

Description : Tuberculosis infection is by means of - (1) Mycobacterium avonin (2) Staphylococcus (3) Mycobacterium tuberculosis (4) Streptococcus

Last Answer : (3) Mycobacterium tuberculosis Explanation: Tuberculosis is a common, and in many cases lethal, infectious disease caused by various strains of mycobacteria, usually Mycobacterium tuberculosis. Tuberculosis typically ... also affect other parts of the body. It is spread through the air. 676.

Description : Tuberculosis infection is by means of : (1) Mycobacterium avonin (2) Staphylococcus (3) Mycobacterium tuberculosis (4) Streptococcus

Last Answer : Mycobacterium tuberculosis

Description : Acid-fast staining is typicaly used to stain which bacterial genus? a. Haemophilus b. Streptococcus c. Klebsiella d. Mycobacterium

Last Answer : d. Mycobacterium

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

Description : Rickettsial cell wall contains A Lipotechoic acid B Diaminopimelic C Mycolic acid D Teichoic acid

Last Answer : B Diaminopimelic

Description : Rifampin kills tubercle bacilli by: A. Binding to mycobacterial DNA dependent RNA polymerase B. Inhibiting mycobacterial DNA synthesis C. Inhibiting synthesis of mycolic acids in mycobacteria D. Damaging mycobacterial mitochondria

Last Answer : A. Binding to mycobacterial DNA dependent RNA polymerase

Description : : All the following are among the opportunistic organisms that may cause nosocomial disease except: a. Pseudomonas aeruginosa. b. Escherichia coli. c. Staphylococcus aureus. d. Mycobacterium leprae.

Last Answer : d. Mycobacterium leprae.

Description : Which of the following bacteria dies quickly after drying? A- .Treponema palladium B- Mycobacterium tuberculosis C- Staphylococcus aureus D- Pseudomonas aeruginosa

Last Answer : .Treponema palladium

Description : Diptheria is caused by ______ diphtheriae. a. Mycobacterium b. Corynebacterium c. Streptococcus d. Haemophilus

Last Answer : b. Corynebacterium

Description : Which of the following organisms cause necrotizing fasciitis, or the flesh-eating disease? a. Group A streptococcus b. Group B streptococcus c. Staphylococcus aureus. d. strep viridins group

Last Answer : a. Group A streptococcus

Description : Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis

Last Answer : b. Staphylococcus Aureus.

Description : Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis

Last Answer : b. Staphylococcus Aureus

Description : Spherical bacterial cells in chains would be a referred to as a _______ arrangement. a. Vibrio b. Streptococcus c. Staphylococcus d. Tetrad

Last Answer : b. Streptococcus

Description : Which of the following is a drug that interferes with the process of DNA production in the virus A- A.Erythromycin B- Vancomycin C- Amantadine D- Acyclovi

Last Answer : Acyclovi

Description : Antibiotics inhibiting nucleic acid synthesis include a. Rifampin and quinolones. b. Aminoglycosides and tetracyclines. c. Lincosamides and streptogramins. d. Macrolides and ami noglycosides.

Last Answer : a. Rifampin and quinolones.

Description : Cell wall protein of Streptococcus pyogenescrossreactswith human A- synovial fluid B- cardiac valves C- myocardium D- vascular intima

Last Answer : myocardium

Description : All the following are drugs or drug classes blocking cell wall synthesis except: a. Cephalosporins. b. Carbapenems. c. Monobactams. d. Tetracyclines.

Last Answer : a. Cephalosporins.

Description : The drug isoniazid is used widely in contemporary medicine to a. Treat tuberculosis. b. Prevent fungal overgrowth in the intestine. c. Clear away wound infections. d. Eliminate infections due to gram-negative bacteria.

Last Answer : a. Treat tuberculosis.

Description : Penicillins interfere with bacterial cell wall synthesis by (a) Inhibiting synthesis of N-acetyl muramic acid pentapeptide (b) Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... link the peptidoglycan residues (d) Counterfeiting for D-alanine in the bacterial cell wall

Last Answer : Ans: C

Description : Penicillins interfere with bacterial cell wall synthesis by: A. Inhibiting synthesis of N-acetyl muramic acid pentapeptide B. Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... cross link the peptidoglycan residues D. Counterfeiting for D-alanine in the bacterial cell wall

Last Answer : C. Inhibiting transpeptidases and carboxypeptidases which cross link the peptidoglycan residues

Description : Though few in number, some drugs, such as _____, can be used to treat some viral infections. a. penicillin and ampicillin b. isoniazid and dapsone c. amantadine and acyclovir d. streptomycin and amphotericin

Last Answer : c. amantadine and acyclovir

Description : Clarithromycin and erythromycin have very similar spectrums of antimicrobial activity. The major advantage of clarithromytcin is that it (a) Eradicates mycoplasmal infections in a single dose (b ... not inhibit live drug-metabolizing enzymes (e) Acts on methicillin-resistant strains of staphylococci

Last Answer : Ans: C

Description : Polluted water usually contains coliform bacteria like _____. a. Streptococcus b. Proteus c. Escherichia coli d. Pseudomonas

Last Answer : c. Escherichia coli

Description : Two types of grain spoilage are _____ and _____. A. aflatoxins, ergotism a. botulism, ergotism b. Staphlococcus, Streptococcus c. aflatoxins, enterotoxins

Last Answer : A. aflatoxins, ergotism

Description : Some strains of Streptococcus carry toxins that cause a pink red rash. This is called _____. a. Rhumatic Fever b. Q Fever c. Scarlet Fever d. Pharyngitis

Last Answer : c. Scarlet Fever

Description : Streptococcus pyogenes is highly contagious by _____. a. Unwashed hands b. Oral/fecal route c. Respiratory droplets d. Remaining on surfaces for long periods of time

Last Answer : c. Respiratory droplets

Description : Trimethoprim and sulfamethoxazole are examples of synthesis. a. Sulfonamides; PABA b. Penicillins; Cell Wall c. Sulfonamides; Folic Acid d. Macrolides; Protein

Last Answer : c. Sulfonamides; Folic Acid

Description : Fermentation of milk to curd is due to (1) Mycobacterium (2) Staphylococcus (3) Lactobacillus (4) Yeast

Last Answer : (3) Lactobacillus Explanation: When milk is heated to a temperature of 30-40°C and a small amount of old curd added to it, the Lactobacillus (bacteria) in that curd sample gets activated and multiplies

Description : Fermentation of milk to curd is due to : (1) Mycobacterium (2) Staphylococcus (3) Lactobacillus (4) Yeasts

Last Answer : Lactobacillus

Description : A drug which prevents uric acid synthesis by inhibiting the enzyme Xanthine oxidase is (A) Aspirin (B) Allopurinal (C) Colchicine (D) Phenyl benzoate

Last Answer : Answer : B

Description : A drug which prevents uric acid synthesis by inhibiting the enzyme xanthine oxidase is (A) Aspirin (B) Allopurinol (C) Colchicine (D) Probenecid

Last Answer : B

Description : A drug which prevents uric acid synthesis by inhibiting the enzyme xanthine oxidase is (A) Aspirin (B) Allopurinol (C) Colchicine (D) Probenecid

Last Answer : (B) Allopurinol

Description : Which of the following is staphylococcal infection: A. Scarlet fever (Streptococcus pyogenes)Bright red tongue with a "strawberry" appearance Forchheimer spots (fleeting small, red spots on ... inflammation, caused by viral infection, idiopathic, Mycobacterium t C. Pancreatitis no D. Carbuncle

Last Answer : D. Carbuncle

Description : Which of the following has drum stick appearance Options: 1) Clostridium tetani 2) Pneumococcus 3) Streptococcus pneumoniae 4) Staphylococcus epidermis

Last Answer : Correct Answer: 1) Clostridium tetani

Description : Which of the following most probably does not exist in the kids acute gingivitis, A. Spirochetes B. Streptococcus C. Staphylococcus

Last Answer : A. Spirochetes

Description : Indicate the attribute that is common to both polymyxin B and bacitracin: A. Both are active against gram negative bacteria B. Both are too toxic for systemic use C. Both act by inhibiting bacterial cell wall synthesis D. Both a

Last Answer : B. Both are too toxic for systemic use

Description : Choose the correct statement about rifampin: A. It is the most active drug on slow growing tubercle bacilli B. Its antitubercular efficacy is lower than that of isoniazid C. It is active against many atypical mycobacteria D. It does not effectively cross blood-CSF barrier

Last Answer : C. It is active against many atypical mycobacteria

Description : For retting of jute the fermenting microbe used is (a) methanophilic bacteria (b) butyric acid bacteria (c) Helicobacter pylori (d) Streptococcus lactin.

Last Answer : b) butyric acid bacteria

Description : Certain strains of Streptococcus lactis var. maltigenes may produce A.bitter flavor B.acid flavor C.burnt or caramel flavor D.none of these

Last Answer : C.burnt or caramel flavor

Description : Certain strains of Streptococcus lactis var. maltigenes may produce A.bitter flavor B.acid flavor C.burnt or caramel flavor D.none of these

Last Answer : C.burnt or caramel flavor

Description : What is true of Quinupristin-Dalfopristin: A. It is a synergistic combination of two similar antibiotics B. It acts by inhibiting bacterial protein synthesis C. It is active against most resistant coccal infections D. All of the above are correct

Last Answer : D. All of the above are correct

Description : The following is true of vancomycin except: A. It is a bactericidal antibiotic active primarily against gram positive bacteria B. It acts by inhibiting bacterial protein synthesis C. It is an alternative to penicillin for enterococcal endocarditis D. It can cause deafness as a dose related toxicity

Last Answer : B. It acts by inhibiting bacterial protein synthesis

Description : Two drugs that affect cell wall synthesis are a. Erythromycin and penicillin. b. Vancomycin and cephalosporin. c. Tetracycline and polymyxin b. d. Chloramphenicol and streptomycin.

Last Answer : a. Erythromycin and penicillin.

Description : Vancomycin inhibits _____________ synthesis. a. protein b. DNA c. bacterial cell wall d. RNA

Last Answer : c. bacterial cell wall

Description : _____ implies that if enough people in a population are immunized against certain diseases, then it is very difficult for those diseases to spread. a. Herd immunity b. Passive immunity c. Active immunity d. Natural immunity

Last Answer : a. Herd immunity