Nokea
Which statement is not correct about metformin:
- A. Is for internal use only
- B. Reduce weight, apetite
- C. More frequently causes nausea and vomiting comparing with other hypoglicemic drugs
- D. Use for diabetes mellitus type I
Correct Answer: D
Rationale: Metformin is not typically used for type 1 diabetes, which requires insulin, as it acts on insulin sensitivity and hepatic glucose production.
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Which of the following statements about leukotriene pathway inhibitors in
- A. They are more potent anti-inflammatory agents than corticosteroids
- B. Have less side effects than corticosteroids
- C. Are contraindicated in children below 10 years of age
- D. Have no role in aspirin induced asthma
Correct Answer: B
Rationale: Leukotriene inhibitors have fewer side effects than corticosteroids.
Angina pectoris, tachycardia, and arrhythmias are possible adverse effects of which of the following drugs?
- A. Clonidine
- B. Phenylephrine
- C. Propranolol
- D. Salbutamol
Correct Answer: D
Rationale: Salbutamol, a beta-2 agonist, can cause cardiac stimulation as a side effect.
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.
Reduce the likelihood of therapeutic failure with tamoxifen treatment
- A. Not provided in document
- B. Not provided in document
- C. Not provided in document
- D. Not provided in document
Correct Answer: B
Rationale: This question lacks options, but the answer key (ANS: 2) suggests the second choice. Strategies to reduce therapeutic failure include avoiding CYP2D6 inhibitors to ensure proper metabolism of tamoxifen to its active form.
Which of the following drugs can be used in cases of beta blocker overdose?
- A. Glucagon
- B. Flumazenil
- C. Deferoxamine
- D. Naloxone
Correct Answer: A
Rationale: Glucagon increases cardiac contractility via a non-beta receptor pathway, making it effective in beta-blocker overdose.