The nurse understands that the dose-response relationship is graded and should expect
to observe what response?
Once a drug is given, the response is predictably all-or-nothing.
The response is maintained at a specific level when the therapeutic objective is
achieved.
As the dosage increases, the response becomes progressively greater.
A graded response is based on relative potency and maximal efficacy. - Ans - As the
dosage increases, the response becomes progressively greater.
A diabetic patient is taught the signs and symptoms of hypoglycemia with insulin use.
The patient knows to eat fast-acting carbohydrates. This is an example of what goal?
Minimizing adverse effects
Promoting therapeutic effects
Minimizing adverse interactions
Managing toxicity - Ans - miming adverse effects
A new graduate nurse preparing to administer medications knows that which of the
following is required for a drug to move through the body?
Selectivity and effectiveness
The ability to cross membranes
Development of an electric charge
A transporter protein - Ans - The ability to cross membranes
A new medication becomes available for treatment of a debilitating neurologic disease.
What would the nurse expect about the safety of the drug?
The drug is safe for administration to children.
The drug has been tested in pregnant women.
All possible adverse effects have been identified by animal testing.
The drug has passed the FDA approval process. - Ans - The drug has passed the FDA
approval process
A nurse is preparing to give an oral dose of drug X to treat a patient's high blood
pressure. After giving the drug, the nurse finds that it reduces the blood pressure
without serious harmful effects, but it also causes the patient to have nausea and a
headache. Based on this information, which property of an ideal drug is this drug
lacking?
Effectiveness
, Safety
Selectivity
Ease of administration - Ans - Selectivity
The drug is effective in lowering the blood pressure and safe in that it does not cause
harmful effects. However, as do most drugs, it causes other effects besides the one
response desired; therefore, it lacks selectivity. The oral form provides ease of
administration.
A nurse prepares to administer acetaminophen [Tylenol] to a patient with an oral
temperature of 101.7°F. Which preparation would the nurse expect to have the most
rapid onset of action?
Tylenol elixir
Tylenol tablets
Tylenol capsules
Tylenol gel caps - Ans - Tyenlor elixir
A nursing student is caring for a patient who has been taking morphine sulfate for pain
for 2 weeks. The nursing student shows an understanding of pharmacodynamic
tolerance by describing it to the instructor in what way?
"It is a form of tolerance that is a reduction in drug responsiveness brought on by
repeated dosing over a short period."
"It affects the minimum effective concentration."
"It is a drug response caused by psychologic factors, not by biochemical or
physiological properties."
"It is a condition in which the patient requires increased doses of morphine sulfate to
achieve pain relief." - Ans - "It is a condition in which the patient requires increased
doses of morphine sulfate to achieve pain relief."
Before administrating the dosage of a prescribed medication, the nurse observes
precipitation formation of the intravenous (IV) solution. What is the priority nursing
action?
Verify the prescription.
Discard the IV solution.
Prepare another dose to administer.
Check the expiration date of the drug. - Ans - Discard the IV solution
For which reason should the nurse follow safe medication administration for intravenous
(IV) medications?
The IV route can result in delayed absorption of the medication.
The IV route results in a delayed onset of action.
Control over the levels of drug in the body is unpredictable.