The elderly are at high risk of ADRs due to:
- A. Having greater muscle mass than younger adults, leading to higher volume of distribution
- B. The extensive studies that have been conducted on drug safety in this age group
- C. The blood-brain barrier being less permeable, requiring higher doses to achieve therapeutic effect
- D. Age-related decrease in renal function
Correct Answer: D
Rationale: Age-related renal decline slows drug clearance, raising ADR risk in the elderly, unlike muscle mass , studies , or BBB .
You may also like to solve these questions
Which of the following is an adverse event of glucocorticoids:
- A. Osteoporosis
- B. Hypo acid gastritis
- C. Diabetes insipidus
- D. Dehidratation
Correct Answer: A
Rationale: Osteoporosis is a common adverse effect of glucocorticoids due to bone catabolism.
The following relationship exist adrenal steroidal hormones, corticotropin and hypothalamic hormones.
- A. Short direct connection
- B. Long direct connection
- C. Short negative feedback
- D. Long negative feedback
Correct Answer: D
Rationale: Adrenal steroids, corticotropin (ACTH), and hypothalamic CRH form a long negative feedback loop in the HPA axis.
A nurse is caring for a 77-year-old patient. The nurse would know that a normal physiologic change that must be considered when planning drug therapy, and is associated with aging is what?
- A. Blood volume decreases
- B. Subcutaneous tissue increases
- C. Total body water increases
- D. Muscle mass increases
Correct Answer: A
Rationale: Aging reduces blood volume, altering drug distribution and requiring dosage adjustments.
A nurse is teaching a client who has Graves' disease about her prescribed medications. Which of the following statements by the client indicates an understanding of the use of Propranolol in the treatment of Graves' disease?
- A. Propranolol helps increase blood flow to my thyroid gland.
- B. Propranolol is used to prevent excess glucose in my blood.
- C. Propranolol will decrease my tremors and fast heart beat.
- D. Propranolol promotes a decrease of thyroid hormone in my body
Correct Answer: C
Rationale: Propranolol reduces tremors and tachycardia in Graves' disease by blocking beta-adrenergic effects.
Which priority action should be implemented when hives are assessed on a patient started on a new medication?
- A. Notify physician of allergic reaction
- B. Notify physician of idiosyncratic reaction
- C. Notify physician of potential teratogenicity
- D. Notify physician of potential tolerance
Correct Answer: A
Rationale: Hives indicate an allergic reaction (hypersensitivity), requiring immediate physician notification for management.