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Importance of Age in Medical Treatment

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Questions and Answers

What is the main reason why infants may require different drug dosages compared to adults?

Higher metabolic rate
Greater drug resistance
Developed receptor sensitivity
Immature hepatic and renal function (correct)

In pediatric patients, how are drug doses typically calculated?

Based on age alone
Based on organ maturity
Based on body weight or body surface area (correct)
Based on genetic makeup

What happens to the physiologic functions in adults after the third decade of life?

They increase
They become unpredictable
They stabilize
They begin to diminish (correct)

Why do elderly patients respond differently to drugs compared to younger patients?

Changes in receptor sensitivity and age-related tissue alterations (B) Signup and view all the answers

How can genetic polymorphisms affect a drug's action in individuals?

By altering its pharmacokinetic profile and/or pharmacodynamic properties (B) Signup and view all the answers

What is the main reason behind using body weight as a determinant of drug dosage?

To ensure appropriate dosage based on individual differences (A) Signup and view all the answers

Why is body surface area used as a factor in determining drug dosage?

To consider the correlation between physiologic processes and BSA (C) Signup and view all the answers

Why are pharmacokinetic differences regarding sex important in drug administration?

To consider the effects of menstrual cycle and menopausal status (A) Signup and view all the answers

What is the primary concern when it comes to tolerance in drug administration?

The risk of increased dosage requirement over time (A) Signup and view all the answers

How does time and conditions of drug administration influence dosage requirements?

By guiding the use of lower parenteral doses compared to oral doses (A) Signup and view all the answers

Why should great caution be exercised when using drugs during pregnancy and lactation?

To safeguard against adverse effects on the fetus or infant (D) Signup and view all the answers