Nokea
Isotonic lactated Ringer's solution is indicated in all of the following conditions EXCEPT:
- A. Dehydration
- B. Liver diseases
- C. Acute blood loss
- D. Lower GIT fluid loss
Correct Answer: B
Rationale: Lactated Ringer's can exacerbate liver disease due to impaired lactate metabolism.
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The U.S. Food and Drug Administration approval is required for:
- A. Medical devices, including artificial joints
- B. Over-the-counter vitamins
- C. Herbal products, such as St John's wort
- D. Dietary supplements, such as Ensure
Correct Answer: A
Rationale: FDA approval is required for medical devices like artificial joints , but not OTC vitamins, herbal products, or supplements (B-D), which have lighter oversight.
Abrupt withdrawal of beta blockers can be life threatening. Patients at highest risk for serious consequences of rapid withdrawal are those with:
- A. Angina
- B. Coronary artery disease
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: C
Rationale: Patients with angina and CAD are at high risk for rebound effects like myocardial infarction.
A nurse is teaching a client about the use of Fluticasone to treat Perennial Rhinitis. Which of the following statements by the client indicates an understanding of the teaching?
- A. I should use the spray every 4 hours while I am awake.
- B. It can take as long as 3 weeks before the medication takes a maximum effect.
- C. This medication can also be used to treat motion sickness.
- D. I can use this medication when my nasal passages are blocked.
Correct Answer: B
Rationale: Fluticasone takes up to 3 weeks for full effect , a key point for managing expectations.
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.