A client has begun taking 1 mg of eszopiclone (Lunesta) at bedtime, a dose which is considered to be equivalent to a 3.75-mg dose of her previous hypnotic, Imovane. This comparison of the relative dosages of these two drugs is referred to as what?
A) Potency
B) Median effective dose
C) Clinical efficacy
D) Tolerance
Ans: A
Potency of a drug refers to the relative dosage of a drug that is required to achieve a desired effect. Median effective dose is the dosage at which 50% of clients experience a specific therapeutic effect when prescribed a certain psychotropic drug. Clinical efficacy refers to the maximum clinical response achievable by the administration of a specific drug. Tolerance refers to the need for markedly increased amounts of a specific drug over time.
You might also like to view...
A patient comes into the emergency department with itching, swelling, and slight shortness of breath after being stung by a bee 20 minutes ago. The nurse bases care of this patient on the pathophysiology of which hypersensitivity reaction?
1. Type I IgE-mediated hypersensitivity 2. Type II cytotoxic hypersensitivity 3. Type III immune complex-mediated hypersensitivity 4. Type IV delayed hypersensitivity
The nurse is preparing a client for discharge with an implanted port. Instructions for site care would include:
1. No dressings are necessary. 2. Apply a sterile dressing every 2 days. 3. Place a clean bandage daily. 4. Apply a nonadhering dressing weekly.
A nurse tells a client who is struggling with cancer pain, "It is normal to feel frustrated about the discomfort."
Which of the following is most representative of the skills associated with the working phase of the helping relationship? 1. Respect 2. Genuineness 3. Confronting 4. Concreteness
A pregnant patient asks when the sex of the baby can be determined. Which response by the nurse is accurate?
A) "If you want, we can do an ultrasound today." B) "The fetus is still developing until 24 weeks, you must wait." C) "The provider usually does an ultrasound at 20 weeks." D) "Fetal organs are developed by 12 weeks and would require an ultrasound after that time."