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Karch's Focus on Pharmacology 8th Ed. Chapter 9 Questions and Correct Answers.
Karch's Focus on Pharmacology 8th Ed. Chapter 9 Questions and Correct Answers.
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Karch's Focus on Pharmacology 8th Ed. |Chapter 9 Questions and Correct Answers
Aminoglycosides are contraindicated for all of the following clients EXCEPT: - correct answers:Clients with
drug-resistant TB.
A patient with TB is admitted to a health care facility. The nurse is required to administer an
antitubercular drug through the parenteral route to this patient. Which of the following precautions
should the nurse take when administering frequent parenteral injections? - correct answers:Rotate
injection sites for frequent parenteral injections.
A client is administered a third-generation cephalosporin. The broad-spectrum agents like
cephalosporins are most effective in treating which type of microorganism? - correct answers:Gram-
negative
What organ system is responsible for the excretion of cefotaxime sodium from the body? - correct
answers:Renal
A client is allergic to penicillin and has been diagnosed with a genitourinary infection caused by
Chlamydia trachomatis. Which medication will most likely be administered? - correct
answers:Erythromycin
Rationale:
A client who is diagnosed with a genitourinary infection that is caused by trachomatis and who is allergic
to penicillin should be administered erythromycin since there is no known cross-reaction. Acamprosate
calcium is administered as a substance abuse deterrent, not in place of penicillin. Atazanavir is an
antiviral agent that is used to treat HIV infection, not Chlamydia trachomatis. Flumazenil is a
benzodiazepine antagonist and not used for Chlamydia trachomatis.
The health care provider considers prescribing an oral tetracycline for a client suspected of having a
urinary tract infection. What action needs to be completed before the medication can be prescribed? -
correct answers:The health care provider should order culture and susceptibility studies.
Rationale:
, Culture and susceptibility studies are needed before tetracycline therapy is started, because many strains
of organisms are either drug resistant or vary greatly in drug susceptibility. Teaching the client about
proper storage and adverse effects, including photosensitivity, are appropriate after the medication is
ordered. There is no cross-allergenicity with penicillin, so prescribing a tetracycline does not require
assessment penicillin hypersensitivity.
A client has been prescribed INH for the treatment of tuberculosis. The nurse teaches the client about
dietary restrictions while taking this medication. What is the most important instruction? - correct
answers:"Do not drink beer or red wine while taking this medication because a serious adverse reaction
can occur."
A nurse is providing education to a client who is taking INH. The nurse is teaching the client to avoid
which foods? - correct answers:Cheese, dairy products, and bananas
Michael, 25 years old, has had mitral valve regurgitation since age four, after having rheumatic fever.
Michael is planning to go to his dentist to have his teeth cleaned. Because of Michael's history he will
need to take antibiotics in conjunction with this procedure to prevent bacteremia. Which class of
antibiotics will Michael most likely receive if he has no allergies? - correct answers:Penicillin
A nurse is speaking to a 62-year-old female client who has been started on sulfisoxazole, a sulfonamide
antibiotic. The nurse should teach this client to contact the health care provider if the client experiences
what adverse effect associated with the drug? - correct answers:skin rash or itching
Aminoglycosides must be used cautiously in children as in adults. Dosage must be accurately calculated
according to which factors? - correct answers:Weight and renal function
A male client is admitted to the unit with Pseudomonas aeruginosa sepsis. The health care provider
orders aminoglycoside to be given concomitantly with penicillin intravenously. How would the nurse
administer these drugs? - correct answers:By administering the drug in separate IV bags
A nurse is caring for an adult client diagnosed with bacterial sinusitis. The nurse has cautioned the client
against taking prescribed oral erythromycin together with antacids. What is the basis of this instruction?
- correct answers:Antacids decrease the absorption of the drug.
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