Nokea
Isoproterenol produces maximal contraction of cardiac muscle in a manner similar to epinephrine. Which of the following best describe isoproterenol?
- A. Fuller agonist
- B. Partial agonist
- C. Irreversible antagonist
- D. Inverse agonist
Correct Answer: A
Rationale: Isoproterenol's maximal effect similar to epinephrine indicates it is a full agonist at beta receptors.
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You are designing a drug regimen for a patient. What should be considered?
- A. Quality-of-life issues
- B. Ethnicity of patient
- C. Gender
- D. Quantity-of-life issues
Correct Answer: A
Rationale: Quality-of-life issues ensure the regimen aligns with patient needs and tolerability, enhancing adherence.
Hypoglycemic mechanism of biguanides is:
- A. Enhance closure of ATP sensitive K+ channels
- B. Inhibits gluconeogenesis in the liver
- C. Enhance glucose absorption from gastro-intestinal tract
- D. Decrease glycolysis in the peripheral tissue
Correct Answer: B
Rationale: Biguanides like metformin inhibit hepatic gluconeogenesis, reducing blood glucose production.
Characteristics of vitamin D and its metabolites include which of the following?
- A. Act to decrease serum levels of calcium
- B. Activation of vitamin D receptors in the major cells of
- C. Calcitriol is the major derivative responsible for increasing intestinal absorption of phosphate
- D. Metabolites of vitamin D increase renal excretion of calcium
Correct Answer: C
Rationale: Calcitriol increases intestinal absorption of calcium and phosphate.
The nurse is preparing a medication that is new to the market and cannot be found in the nurses drug guide. Where can the nurse get the most reliable information about this medication?
- A. Package insert
- B. Another nurse
- C. Drug manufacturer
- D. Physician
Correct Answer: A
Rationale: The most reliable information about the drug can be found on the package insert supplied by the manufacturer because it was prepared according to strict Food and Drug Administration (FDA) regulations. Asking another nurse or the physician is not reliable and cannot be verified as accurate. It would not be realistic to call the drug manufacturer for information.
The nurse is helping a client review a prescription from the health care provider. When examining the prescription, which of the following would the nurse expect to find documented?
- A. Name of the drug
- B. Dosage of the drug
- C. Route of drug administration
- D. All the above
Correct Answer: D
Rationale: The prescription must contain the client's name, the name of the drug, the dosage, the method and times of administration, and the signature of the licensed health care provider prescribing the drug.