Quizlet Drug Classifications and Actions Nursing

Quizlet Drug Classifications and Actions Nursing Related

Review Quizlet Drug Classifications and Actions Nursing related questions and content

The patient is taking a drug that affects the body by increasing cellular activity. Where does this drug work on the cell?

  • A. Receptor sites
  • B. Cell membrane
  • C. Golgi body
  • D. Endoplasmic reticulum
Correct Answer: A

Rationale: Many drugs are thought to act at specific areas on cell membranes called receptor sites. After the receptor site is activated, this in turn activates the enzyme systems to produce certain effects, such as increased or decreased cellular activity, changes in cell membrane permeability, or alterations in cellular metabolism. Receptor sites are generally located on the outside of cells and allow the drug to bypass the cell membrane. The Golgi body and endoplasmic reticulum are not involved in this process.

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Acetyl salicylate & phenobarbitone are better absorbed from stomach because they are

  • A. Weak acids remain non-ionic in gastric pH
  • B. Weak acids remain ionic in gastric pH
  • C. Strong acids fully ionized in gastric pH
  • D. Weak bases which are ionized at gastric pH
Correct Answer: A

Rationale: Weak acids like acetyl salicylate (aspirin) and phenobarbitone remain non-ionic in the acidic pH of the stomach, facilitating their absorption through passive diffusion across the gastric mucosa.

Which of the following beta-blockers has intrinsic sympathomimetic activity (ISA)?

  • A. Bisoprolol
  • B. Timolol
  • C. Pindolol
  • D. Propanolol
Correct Answer: C

Rationale: Pindolol has ISA, partially stimulating beta receptors while blocking them, reducing bradycardia risk.

There is sufficient evidence to support the use of omega-3 fatty acids to treat the following disease(s):

  • A. Asthma
  • B. Autism
  • C. Arthritis
  • D. All of the above
Correct Answer: C

Rationale: Omega-3 fatty acids are supported for arthritis treatment due to anti-inflammatory effects.

Which of the following is an insulin effect in the liver:

  • A. Inhibition of glycogenolisis
  • B. Inhibition of glycolysis
  • C. Decrease of glycogenesis
  • D. Decreases of pyruvatkinase, phosphofructokinase and glucokinase activity
Correct Answer: A

Rationale: Insulin inhibits glycogenolysis in the liver, promoting glucose storage as glycogen rather than its breakdown.

A staff educator is reviewing medication dosages and factors that influence medication metabolism with a group of nurses at an in-service presentation. Which of the following factors should the educator include as a reason to administer lower medication dosages?

  • A. Increased renal secretion
  • B. Increased medication-metabolizing enzymes
  • C. Liver failure
  • D. Peripheral vascular disease
Correct Answer: C

Rationale: Liver failure impairs metabolism, and concurrent use of medications metabolized by the same pathway can increase drug levels, both necessitating lower doses.

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