Nokea
The Alkaline Drug (Amidopy rine) is absorbed from
- A. Stomach
- B. Proximal small intestine
- C. Distal small intestine
- D. Colon
Correct Answer: B
Rationale: Basic drugs like amidopyrine are ionized in the stomach (acidic pH) and absorbed in the small intestine (neutral pH).
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When documenting, which of the following would be appropriate for the nurse to use at accredited health care organizations? Select one that does not apply.
- A. IU
- B. 2mg
- C. 0.2 mg
- D. Units
Correct Answer: A
Rationale: Always use a leading zero when writing decimals (i.e., 0.2 mg, not .2 mg) and leave off the trailing zero (i.e., 2 mg, not 2.0 mg). Always write out units, international units, and daily; do not use U, IU, or QD.
Theophylline levels in blood are increased by:
- A. Erythromycin
- B. Ciprofloxacin
- C. Smoking
- D. Digitalis
Correct Answer: A
Rationale: Erythromycin inhibits theophylline metabolism, raising levels.
A 22-year-old patient calls the clinic and tells the nurse that she has been depressed and is thinking about taking St. John's wort but wants to know if it is safe first. The nurse begins by questioning what other medications the patient takes and would be concerned about a drug-alternative drug interaction if the patient is also taking what type of medication?
- A. Antihistamines
- B. Analgesics
- C. Antibiotics
- D. Oral contraceptives
Correct Answer: D
Rationale: St. John's wort can interact with oral contraceptives that alter drug metabolism, which can decrease the effectiveness of the contraceptive. Analgesics, antibiotics, and antihistamines can be taken in combination with St. John's wort without known adverse effects.
The safest drug to use to treat pregnant women with deep vein thrombosis is:
- A. Low-molecular-weight heparin
- B. Warfarin
- C. Aspirin
- D. Heparin
Correct Answer: D
Rationale: Heparin is safest in pregnancy as it doesn't cross the placenta, unlike warfarin (B, teratogenic); LMWH is also safe but not listed as 'heparin.'
Patients with iron deficiency will develop:
- A. Hemolytic anemia
- B. Megaloblastic anemia
- C. Macrocytic-hypochromic anemia
- D. Microcytic-hypochromic anemia
Correct Answer: D
Rationale: Iron deficiency causes microcytic-hypochromic anemia due to reduced hemoglobin synthesis.