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Questions and Answers
What is the primary action of antihypertensive agents?
What is the primary action of antihypertensive agents?
- To promote vasoconstriction
- To increase heart rate
- To improve blood viscosity
- To alter the body's blood pressure regulating mechanisms (correct)
Why is hypertension often termed multifactorial?
Why is hypertension often termed multifactorial?
- It only occurs in older adults
- It is always primary and not secondary
- It is influenced by various comorbidities and factors (correct)
- It results from a single genetic mutation
How do antihypertensive drugs typically enhance their effectiveness?
How do antihypertensive drugs typically enhance their effectiveness?
- By targeting blood viscosity directly
- By increasing dietary sodium intake
- By combining with other agents for a synergistic effect (correct)
- By reducing patient adherence
What percentage of hypertension cases is idiopathic, without a known cause?
What percentage of hypertension cases is idiopathic, without a known cause?
Which of the following is NOT a common consideration when prescribing antihypertensives?
Which of the following is NOT a common consideration when prescribing antihypertensives?
What role do baroreceptors play in relation to antihypertensive drugs?
What role do baroreceptors play in relation to antihypertensive drugs?
Which condition could potentially make some antihypertensives unsuitable for a patient?
Which condition could potentially make some antihypertensives unsuitable for a patient?
What is a common teaching point for patients receiving antihypertensive drugs?
What is a common teaching point for patients receiving antihypertensive drugs?
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Study Notes
Antihypertensive Drugs
- Antihypertensive drugs are often combined for a synergistic effect, as they affect different areas of blood pressure control.
- Hypertension, or high blood pressure, occurs when blood pressure is consistently too high.
- 90% of hypertension cases have no known cause and are called essential hypertension.
- Antihypertensive agents work by altering the body's regulating mechanisms responsible for maintaining normal blood pressure.
- These regulating mechanisms include the baroreceptors and the renin-angiotensin-aldosterone system.
- Individuals respond differently to antihypertensive agents because hypertension is multifactorial.
- The presence of comorbidities, such as diabetes and myocardial infarction, may impact the suitability of certain antihypertensives for treatment.
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