Description : The tear secretion contains an antibacterial enzyme known as (A) Zymase (B) Diastase (C) Lysozyme (D) Lipase
Last Answer : Answer : C
Description : The following are true about the tear film: a. the normal volume is about 20 ul b. its main protein content is made up of immunoglobulins c. the lysozyme concentration is the greatest d. the concentration of Ig A is greater than that of Ig G
Last Answer : the lysozyme concentration is the greatest
Description : Which cells of ‘Crypts of Lieberkuhn’ secrete antibacterial lysozyme? (a) Paneth cells (b) Zymogen cells (c) Kupffer cells (d) Argentaffin cells
Last Answer : (a) Paneth cells
Description : Which cells of "Crypts of Lieberkuhn" secrete antibacterial lysozyme ? (1) Paneth cells (2) Zymogen cells (3) Kupffer cells (4) Argentaffin cells
Last Answer : (1) Paneth cells
Description : In pregnancy: a. the lysozyme in the tear film is increased b. the intraocular pressure is lower than pre-pregnancy state c. accommodation is decreased d. all above
Last Answer : all above
Description : Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following ... are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis
Last Answer : Answer: a, b, d Penicillins, cephalosporins, and monobactams possess a b-lactam ring of some type and act to bind bacterial division plate proteins, thus inhibiting cell wall ... act in different mechanisms to inhibit protein synthesis, therefore two agents in combination act synergistically
Description : Regarding the antibacterial action of gentamicin, which one of the following statements is most accurate? (a) Efficacy is directly proportionate to the time that the plasma level of the drug is ... an inhibitor of cell wall synthesis (e) The antibacterial action of gentamicin is time - dependent
Last Answer : Ans: C
Description : The mechanism of antibacterial action of tetracycline involves (a) Binding to a component of the 50S ribosomal subunit (b) Inhibition of translocase activity (c) Blockade of binding of ... (d) Selective inhibition of ribosomal peptidyl transferases (e) Inhibition of DNA-dependent RNA polymerase
Description : The immunoglobulin which provides highest antiviral activity is (A) Ig D (B) Ig E (C) Ig A (D) Ig G
Description : The immunoglobulin having least concentration in serum is (A) Ig A (B) Ig M (C) Ig D (D) Ig E
Last Answer : Answer : D
Description : The immunoglobulin associated with reginic antibody is (A) Ig E (B) Ig D (C) Ig M (D) Ig A
Last Answer : Answer : A
Description : The immunoglobulin having highest molecular weight is (A) Ig G (B) Ig M (C) Ig E (D) Ig A MINERAL METABOLISM 187
Last Answer : Answer : B
Description : The immunoglobulin having highest sedimentation coefficient is (A) Ig G (B) Ig A (C) Ig M (D) Ig D
Description : The immunoglobulin possessing highest concentration of carbohydrate is (A) Ig G (B) Ig M (C) Ig A (D) Ig D
Description : Most heat labile immunoglobulin is (A) Ig G (B) Ig A (C) Ig M (D) Ig D
Description : The immunoglobulin possessing lowest concentration of carbohydrate is (A) Ig A (B) Ig E (C) Ig M (D) Ig G
Description : The immunoglobulin which can cross the placenta is (A) Ig A (B) Ig M (C) Ig G (D) Ig D
Description : A pentamer immunoglobulin is (A) Ig G (B) Ig A (C) Ig M (D) Ig E
Description : An immunoglobulin found in exocrine secretions is (A) IgA (B) IgG (C) IgM (D) IgE
Description : Lysozyme occurs in
Last Answer : Lysozyme occurs in A. Tears B. Tears and saliva C. Tears, saliva, swaeat and mucus D. Gastric juice
Description : Carbonic anhydrase enzyme has maximum turn over number (36 million). Minimum turn over number for an enzyme: (A) DNA polymerase (B) Lysozyme (C) Penicillase (D) Lactase dehydrogenase
Description : An enzyme which brings about lysis of bacterial cell wall is (A) Amylase (B) Lysozyme (C) Trypsin (D) Lipase
Description : Q. What is lysozyme?
Last Answer : A. It is an enzyme present in external secretions
Description : Which of the following is not correctly matched for the organism and its cell wall degrading enzyme? (a) Algae – Methylase (b) Fungi – Chitinase (c) Bacteria – Lysozyme (d) Plant cells – Cellulase
Last Answer : (a) Algae – Methylase
Description : Lysozyme that is present in perspiration, saliva and tears, destroys (a) certain types of bacteria (b) all viruses (c) most virus-infected cells (d) certain fungi.
Last Answer : (a) certain types of bacteria
Description : A non-proteinaceous enzyme is (a) lysozyme (b) ribozyme (c) ligase (d) deoxyribonuclease.
Last Answer : (b) ribozyme
Description : Lysozyme is present in A- sweat B- Cerebro spinal fluid (CSF) C- Urine D- Saliva
Last Answer : Saliva
Description : The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as A-lipase B- .lysozyme C- .pectinase D-.peroxidase
Last Answer : .lysozyme
Description : The tear film: a. contributes to the refractive function of the eye b. is partly formed from the goblet cells c. is 100um thick d. its normal break-up time is 5 to 15 seconds e. is decreased with topical atropine
Last Answer : contributes to the refractive function of the eye
Description : A one-month old baby is brought with complaints of photophobia and watering. Clinical examination shows normal tear passages and clear but large cornea. The most likely diagnosis is: a. Congenital dacryocystitis b. Interstitial keratitis c. Keratoconus d. Buphthalmos
Last Answer : ANSWER: D
Description : Does alcohol in the bloodstream have antibacterial properties?
Last Answer : No.
Description : Are bamboo blankets naturally antibacterial?
Last Answer : Yes, the bamboo fibers are natually antibacterial.
Description : Is antibacterial soap effective?
Last Answer : In the first known comprehensive analysis of whether antibacterial soaps work better than plain soaps, Allison Aiello of the U-M School of Public Health and her team found that washing hands with an ... to the public do not remove any more bacteria from the hands during washing than plain soaps.
Description : Can you have an allergic reaction to antibacterial soap?
Last Answer : It is possible to have an allergic reaction to an ingredient in anti-bacterial soap. Contact your doctor with your concerns and avoid using the soap until your symptoms stop.
Description : Which one of the following statements about cefotetan is accurate? (a) It is active against MRSA strains (b) It is the drug of choice in community-acquired pneumonia (c) ... fourth-generation cephalosporin (d) It decreases prothrombin time (e) Its antibacterial spectrum include Bacteroides fragilis
Last Answer : Ans: E
Description : Chloromycetin is an (a) antiseptic (b) antidepressant (c) analgesic (d) antibacterial
Last Answer : Ans:(d)
Description : Name the antibacterial present in toothpaste.
Last Answer : Ans. Triclosan.
Description : Saline solution is given to patients of cholera because (a) Na+ prevents water loss from body (b) NaCl function as regulatory material (c) NaCl produces energy (d) NaCl is antibacterial.
Last Answer : (a) Na+ prevents water loss from body
Description : _________foods include poultry, eggs, meats, most vegetables and fruits. a. Nonperishable b. Semiperishable c. Highly perishable d. Antibacterial
Last Answer : c. Highly perishable
Description : : Which of the following is a common bisphenol in widespread use in antibacterial soaps? a. Chlorhexidine b. Betadine c. Triclosan d. Alcohol
Last Answer : c. Triclosan
Description : Comvita Apinate dressing, initially marketed in New Zealand, is used to heal wounds, burns, bed sores and graft sites. What is its primary component known for its antibacterial properties and derived from the flowers of Leptospermum scoparium? Please be specific.
Last Answer : Manuka Honey.
Description : Acidic urine augments the antibacterial action of the following drug: A. Ciprofloxacin B. Cotrimoxazole C. Gentamicin D. Nitrofurantoin
Last Answer : D. Nitrofurantoin
Description : The antibacterial action of aminoglycoside antibiotics is characterized by: A. Concentration dependent rate of bacterial cell killing B. Concentration dependent prolonged postantibiotic effect C. More pronounced bactericidal effect in anaerobic medium D. Both 'A' and 'B' are correct
Last Answer : D. Both 'A' and 'B' are correct
Description : Features of phenoxymethyl penicillin include the following: A. It is acid stable and orally active B. Its antibacterial spectrum is similar to that of benzyl penicillin C. It is used for less serious penicillin G sensitive infections D. All of the above are correct
Last Answer : D. All of the above are correct
Description : The characteristic feature(s) of penicillin G is/are: A. It is unstable in aqueous solution B. Its antibacterial action is unaffected by pus and tissue fluids C. It is equally active against resting and multiplying bacteria D. Both ‘A’ and ‘B’ are correc
Last Answer : D. Both ‘A’ and ‘B’ are correct
Description : The therapeutic effect of sulfasalazine in ulcerative colitis is exerted by: A. Inhibitory action of the unabsorbed drug on the abnormal colonic flora B. Breakdown of the drug in ... locally C. Release of sulfapyridine having antibacterial property D. Systemic immunomodulatory action of the drug
Last Answer : B. Breakdown of the drug in colon to release 5-aminosalicylic acid which suppresses inflammation locally
Description : Dorzolamide is a: A. Topically applied ocular carbonic anhydrase inhibitor B. Second generation sulfonylurea hypoglycaemic C. Topical sulfonamide antibacterial D. Luminal amoebicide
Last Answer : A. Topically applied ocular carbonic anhydrase inhibitor
Description : You are asked to compare the cost of four different antibacterial medicines. Which of the following treatment courses is the lowest cost? a) Medicine A costs £17.00 for 28 tablets. The adult dose is one ... 14 tablets. The adult dose is one tablet each day and the usual treatment duration is 5 days.
Last Answer : c) Medicine C costs £20.00 for 25 tablets. The adult dose is one tablet twice a day and the usual treatment duration is 5 days.
Description : Which of the following antibacterial substances is known to primarily affect gram-negative bacteria? a) spermine (pron: SPER-meen) b) interferon (pron: in-ter-FEER-en) c) phagocytin (pron: fag-a-SITE-en) d) leukins (pron: LEW-kins)
Last Answer : ANSWER: C -- PHAGOCYTIN