This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A prescriber has just ordered a medication for a patient and has ordered a larger dose than is ... (Read 107 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 23, 2018
A prescriber has just ordered a medication for a patient and has ordered a larger dose than is normally indicated. The patient questions the nurse and asks why the dose is so large. The nurse would be correct to explain that
 
  a. the initial dose is sometimes higher to reach a therapeutic level more quickly.
  b. an average effective dose is important to evaluate the response.
  c. an initial dose will mean a half dose of subsequent medication.
  d. all patients receive a high initial dose.

Question 2

Two nurses are discussing theories of drug-receptor interaction. One of the nurses states that which of the following statements is(are) true regarding the affinity of a drug and its receptor? (Select all that apply.)
 
  a. Affinity and intrinsic activity are dependent properties.
  b. Affinity refers to the strength of the attraction between a drug and its receptor.
  c. Drugs with high affinity are strongly attracted to their receptors.
  d. Drugs with low affinity are strongly attracted to their receptors.
  e. The affinity of a drug for its receptors is reflected in its potency.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 23, 2018
Answer to Question 1

ANS: A
The initial dose is sometimes given in a higher amount, a loading dose, to reach a therapeutic level in the blood more quickly, thus making the drug more effective.
An average effective dose is not used to evaluate the response to the medication.
The initial dose does not indicate that the subsequent doses will be one half of the initial dose.
All patients do not receive a high initial dose of a medication.

Answer to Question 2

ANS: B, C, E
Affinity does refer to the strength of the attraction between a drug and its receptor, drugs with high affinity are strongly attracted to their receptors, and the affinity of a drug for its receptors is reflected in its potency.
Affinity and intrinsic activity are independent properties.
Drugs with low affinity are weakly attracted to their receptors.


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Jul 23, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Injecting an IV push (bolus) medication; C, another type of needleless syringe and needleless IV acc Injecting an IV push (bolus) medication; C, another type of needleless syringe and needleless IV acc
Symptoms of a patient in shock Symptoms of a patient in shock
Building competency in patient centered care Building competency in patient centered care
Caring for a patient on isolation precautions cont'd Caring for a patient on isolation precautions cont'd
A patient’s cognitive ability depends on his or her psychologic status, which is influenced by ... A patient’s cognitive ability depends on his or her psychologic status, which is influenced by ...
Inadequate Airway, Breathing and Circulation in the Trauma Patient (Part 1) Inadequate Airway, Breathing and Circulation in the Trauma Patient (Part 1)
Video: Lipid catabolism - lipolysis and beta oxidation and oxidation of fatty acids

For a complete list of videos, visit our video library