WGU D441 MEDICAL DOSAGE CALCULATIONS AND
PHARMACOLOGY CHAPTER 2: PHARMACOLOGICAL
PRINCIPLES QUESTIONS WITH VERIFIED ANSWERS
Correct 63
Incorrect 00
1 of 63
Definition
Think of agonists and antagonists like two actors playing opposite roles
in a biological drama.
- Agonists are like the lead actors, they step onto the stage and
activate the receptors. They bind to a receptor and trigger a response,
just like the real thing. Imagine them as the "on" switch for a cellular
process.
- Antagonists are like the villains, they block the action of the agonists.
They bind to the same receptors as agonists, but instead of activating
them, they prevent them from doing their job. They're like the "off"
switch, stopping the cellular process.
- Example: Imagine a receptor that controls muscle contraction. An
agonist like acetylcholine would bind to the receptor and trigger
muscle contraction. An antagonist like curare would block the
,receptor, preventing acetylcholine from binding and causing muscle
paralysis.
So, agonists and antagonists are like the yin and yang of cellular
signaling, one turning things on and the other turning things off.
Give this one a try later!
Explain what agonists and Explain the relationship with
antagonists do. potassium and digoxin.
The effects of a particular drug
How do antacids affect levofloxacin?
depend on:
Don't know?
2 of 63
Definition
The treatment of pathologic conditions through the use of drugs
Give this one a try later!
Pharmacodynamics Pharmacotherapeutics
Toxicology Pharmacokinetics
, Don't know?
3 of 63
Term
Protein binding of drugs primarily involves:
a) Globulin
b) Albumin
c) Fibrinogen
d) Prothrombin
Give this one a try later!
C Enzymes
B D
Don't know?
4 of 63
Definition
An extension of the drugs normal effects in the body.
Give this one a try later!
, Pharmacokinetics Idiosyncratic reaction
Pharmacodynamics Pharmacologic reaction
Don't know?
5 of 63
Term
Which instruction would the nurse give to a patient who has been
prescribed ciprofloxacin to prevent antagonistic effects?
Give this one a try later!
Consume the drug with grapefruit Combine the drug with vitamin
juice. supplements.
Avoid taking the drug with milk. Take the drug with antacids.
Don't know?
6 of 63
Definition
The lowest concentration of drug reached in the body after it falls from
its peak level, usually measured in a blood sample for therapeutic drug
PHARMACOLOGY CHAPTER 2: PHARMACOLOGICAL
PRINCIPLES QUESTIONS WITH VERIFIED ANSWERS
Correct 63
Incorrect 00
1 of 63
Definition
Think of agonists and antagonists like two actors playing opposite roles
in a biological drama.
- Agonists are like the lead actors, they step onto the stage and
activate the receptors. They bind to a receptor and trigger a response,
just like the real thing. Imagine them as the "on" switch for a cellular
process.
- Antagonists are like the villains, they block the action of the agonists.
They bind to the same receptors as agonists, but instead of activating
them, they prevent them from doing their job. They're like the "off"
switch, stopping the cellular process.
- Example: Imagine a receptor that controls muscle contraction. An
agonist like acetylcholine would bind to the receptor and trigger
muscle contraction. An antagonist like curare would block the
,receptor, preventing acetylcholine from binding and causing muscle
paralysis.
So, agonists and antagonists are like the yin and yang of cellular
signaling, one turning things on and the other turning things off.
Give this one a try later!
Explain what agonists and Explain the relationship with
antagonists do. potassium and digoxin.
The effects of a particular drug
How do antacids affect levofloxacin?
depend on:
Don't know?
2 of 63
Definition
The treatment of pathologic conditions through the use of drugs
Give this one a try later!
Pharmacodynamics Pharmacotherapeutics
Toxicology Pharmacokinetics
, Don't know?
3 of 63
Term
Protein binding of drugs primarily involves:
a) Globulin
b) Albumin
c) Fibrinogen
d) Prothrombin
Give this one a try later!
C Enzymes
B D
Don't know?
4 of 63
Definition
An extension of the drugs normal effects in the body.
Give this one a try later!
, Pharmacokinetics Idiosyncratic reaction
Pharmacodynamics Pharmacologic reaction
Don't know?
5 of 63
Term
Which instruction would the nurse give to a patient who has been
prescribed ciprofloxacin to prevent antagonistic effects?
Give this one a try later!
Consume the drug with grapefruit Combine the drug with vitamin
juice. supplements.
Avoid taking the drug with milk. Take the drug with antacids.
Don't know?
6 of 63
Definition
The lowest concentration of drug reached in the body after it falls from
its peak level, usually measured in a blood sample for therapeutic drug
