Lehne Pharmacology Multiple choice Questions With
Complete Solutions
.
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. Correct Answers 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 Correct Answers 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 Correct Answers 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. Correct
Answers 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 Correct Answers 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 Correct Answers 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." Correct Answers "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?
Complete Solutions
.
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. Correct Answers 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 Correct Answers 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 Correct Answers 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. Correct
Answers 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 Correct Answers 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 Correct Answers 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." Correct Answers "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?
