Karch's Focus on
Pharmacology 8th Ed. |
Chapter 9 Exam Questions
with 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
