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39 Cards in this Set
- Front
- Back
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Which of the following statements is true of bactericidal and bacteriostatic antiseptics? |
Bacteriostatic antiseptics inhibit the growth and reproduction of the bacteria but do not kill the bacteria. |
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Aminoglycosides can produce a synergistic bactericidal action when combined with _____. |
cephalosporins |
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The suppression of acid secretion is greater with a proton pump inhibitor than with an H2-receptor antagonist because |
unlike an H2-receptor antagonist, a proton pump inhibitor blocks the secretion of HCl. |
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Identify the mechanism of action of antacids. |
Neutralizing gastric acid |
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Identify the mechanism of action by which NSAIDs cause peptic ulcers |
Blockade of prostaglandins that inhibit gastric secretions |
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Toxoplasmosis is most likely to spread to humans from |
oocysts found in the stool of felines |
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n the context of the treatment of peptic ulcer caused by H. pylori, triple therapy refers to using _____. |
two antibiotics and a bismuth compound |
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Symptoms of chronic erosion of mucosal lining and perforation include _____. |
presence of blood in stool or vomit |
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Acid secretion and gastrin-induced secretion is inhibited by blocking _____. |
cholinergic and H2-receptors |
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A person experiencing a delayed allergic reaction to a penicillin would most likely be switched to a(n) _____. |
cephalosporin |
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What type of antibiotic action inhibits the reproduction of bacteria? |
Bacteriostatic |
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_____ are considered to be ulcerogenic because they inhibit the secretion of protective mucus and interfere with the normal production of the mucosal lining. |
Steroids |
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Ray is prescribed Carafate for the treatment of peptic ulcers. Which of the following side effects can Ray expect from this medication? |
Constipation |
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Which of the following is a correct statement about antimicrobial drugs? |
Metronidazole may cause a disulfiram-like reaction when mixed with alcohol |
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Famotidine is available as over-the-counter 10-mg tablets. If Kayla takes one tablet every 12 hours over a period of four days. What is the total dosage of famotidine administered to Kayla? |
80 mg |
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_____ receptors are found on parietal cells and increase secretion of HCl when activated. |
Histamine |
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Which of the following medications can promote the formation of ulcers by interfering with mucus production or secretion? |
NSAIDs |
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What is the therapeutic role of bismuth in triple therapy that is used to treat peptic ulcers? |
Bismuth inhibits the adhesion of bacteria to the gastric mucosa. |
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Identify the definition of the term sterilization. |
It is the process that completely eradicates all microorganisms and spores |
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After returning from a trip to the tropics, Samuel begins to experience flu-like symptoms. The chills and high fever he is experiencing are probably due to: |
protozoa rapidly multiplying and causing red blood cells to rupture. |
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An example of a sexually transmitted infection caused by a protozoan is: |
trichomoniasis |
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An antibiotic will have no effect on an infection if: |
the bacteria do not fall within the drug's antibacterial spectrum. |
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Identify the individual who should receive chemoprophylaxis. |
Logan, who has had a knee and hip replacement surgery and has to undergo a cystoscopy |
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Omeprazole works by _____. |
inhibiting a hydrogen–potassium pump in parietal cells |
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Jacob, before a colorectal surgery, was given a drug to be taken orally so that the number of bacteria in his bowel could reduce before the surgery. Which of the following is most likely the antibiotic administered to Jacob? |
Aminoglycoside |
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In order to avoid toxoplasmosis, pregnant women should stay away from a cat's litter box during: |
all three trimesters |
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What should be done if a patient on vancomycin exhibits a flushing redness of the neck and upper body? |
slow iv drip rate |
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Certain bacteria are resistant to the antibiotic penicillin. This can be attributed to: |
the beta-lactamase enzyme produced by the resistant bacteria. |
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With which antibiotics should alcohol consumption be avoided? |
Cephalosporins and metronidazole |
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A patient with a tapeworm infestation has been admitted to the hospital. The patient also has a low blood count. Which of the following is most likely to be suspected by the health-care professional? |
The tapeworm may be causing hemorrhage by perforating the intestines |
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A person taking a diuretic and rifampin together should be aware of: |
excreting orange-red urine. |
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Which of the following is a disease associated with protozoal infection in humans? |
Trichomoniasis |
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Which antibiotics can be used for bowel sterilization prior to surgery? |
Aminoglycosides and sulfonamides |
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Which of the following does the malaria parasite occupy? |
The liver and the circulatory system |
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What should be avoided so that a disulfiram-like reaction will not be experienced by a patient on metronidazole? |
ETOH |
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When a mosquito bites an individual, the malaria parasite is injected directly into the human bloodstream. Initially, the microorganisms invade and mature in the _____. |
Liver |
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Which of the following is an ideal candidate for chemoprophylaxis? |
An individual who has had a heart valve surgery and has to undergo a dental procedure |
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A patient with peptic ulcer complains of severe duodenal pain. Which of the following treatment options is most likely to relieve this pain? |
admin food |
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Explain the primary reason why antibiotics cannot always eradicate an organism |
overuse of anitbiotics has made some microogranisms resistant to the available treatment. |
