Pharmacology (Karch) Antibiotics Exam
Questions With Correct Answers.
A client is prescribed penicillin V orally for a strep throat. What is the mechanism of action of
this medication? - answer✔✔It inhibits cell wall synthesis.
A patient has been admitted to the intensive care unit with signs and symptoms of sepsis and
preliminary results of the patient's initial blood cultures reveal the presence of methicillin-
resistant Staphylococcus aureus (MRSA). This finding is an indication for treatment with: -
answer✔✔daptomycin.
The nurse understands that tuberculosis (TB) can affect other organs of the body. The term used
for TB outside the lungs called which? - answer✔✔extrapulmonary.
The health care provider suspects a client may be infected with an antibiotic-resistant pathogen.
The nurse caring for this client knows that what course of action is best used to determine
whether this type of pathogen is present? - answer✔✔Perform culture and susceptibility tests.
The nurse has administered a client's first scheduled dose of amoxicillin. What subsequent client
report should prompt the nurse to seek the discontinuation of this drug? - answer✔✔shortness of
breath
A young lifeguard has been prescribed moxifloxacin (Avelox). The nurse understands that the
focus on education would be which adverse reaction? - answer✔✔Photosensitivity
A client who takes zinc daily is diagnosed with a severe infection and is ordered levofloxacin
(Levaquin). The nurse is aware that taking these two drugs may have what affect on the
antibiotic? - answer✔✔Decreased absorption
A pregnant woman calls the clinic and asks if it is suitable to use ofloxacin otic drops that she
used prior to pregnancy for a current ear infection. What would be an appropriate response from
the nurse? - answer✔✔"The effects of ofloxacin in pregnancy are not known, so the drug should
not be used while pregnant."
Tetracycline is often a viable treatment option when a client has an allergy to what antibiotics? -
answer✔✔penicillins
A 67-year-old client with a history of chronic illness is receiving penicillin therapy. The client's
age and health history indicate an increased susceptibility to pseudomembranous colitis. The
nurse would be alert for which finding? Select all that apply. - answer✔✔-bloody diarrhea
-rectal bleeding
The nurse is caring for a 6-year-old child who has pyelonephritis. The use of what group of
antibiotics would be contraindicated due to the client's age? - answer✔✔Tetracyclines
A client is to receive rifampin. Which would be most important for the nurse to include in the
teaching plan for this client? - answer✔✔"Your urine or sweat may become orange in color."
A nurse is caring for a patient undergoing the second phase of standard TB treatment. The nurse
knows that which of the following combinations of drugs need to be administered to the client? -
answer✔✔Rifampin and isoniazid
In general, progression from first-generation cephalosporins to fourth-generations results in
which of the following? Select all that apply. - answer✔✔-An increase in sensitivity of gram-
negative
microorganisms.
-A decrease in the sensitivity of gram-positive
microorganisms.
A nurse is providing education to a client who is taking INH. The nurse is teaching the client to
avoid which foods? - answer✔✔Cheese, dairy products, and bananas
The nurse is assisting in the admission of a client with a suspected urinary tract infection and an
oral temperature of 100.9 degrees ferenheit. The health care provider has written the following
orders: acetaminophen 500 mg PO for elevated temperature; urinalysis for culture and
sensitivity; sulfasalazine (Azulfidine) 500 mg PO four times daily; and force fluids to 3 L/day.
Which order will the nurse complete first? - answer✔✔Obtain urine for culture and sensitivity.
A client asks why three medications are prescribed to treat his tuberculosis. The nurse informs
the client of which reasons? - answer✔✔To prevent resistance
A 72-year-old client has been prescribed ciprofloxacin. What instruction for home care has the
highest priority? - answer✔✔Take this medication with extra fluid.
After teaching a group of students about carbapenems, the instructor determines the need for
additional teaching when the students identify what as an example? - answer✔✔Cefuroxime
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? - answer✔✔Antacids decrease the absorption of the drug.
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