Podcast
Questions and Answers
What is the primary function of the baroreceptor reflex in maintaining blood pressure?
What is the primary function of the baroreceptor reflex in maintaining blood pressure?
- To sense changes in blood pressure and regulate it back to a set point (correct)
- To increase cardiac contractility and heart rate
- To decrease total peripheral resistance
- To regulate renal function and influence vascular tone
Which system is responsible for regulating renal function and influencing vascular tone in the long term?
Which system is responsible for regulating renal function and influencing vascular tone in the long term?
- Autonomic nervous system
- Renin-angiotensin-aldosterone system (correct)
- Baroreceptor reflex
- Pressure natriuresis
What is the effect of sympathetic nervous system (SNS) activation on heart rate?
What is the effect of sympathetic nervous system (SNS) activation on heart rate?
- Variable effect on heart rate
- Decreased heart rate
- No effect on heart rate
- Increased heart rate (correct)
What is the primary cause of primary hypertension?
What is the primary cause of primary hypertension?
What is the effect of the autonomic nervous system on total peripheral resistance (TPR)?
What is the effect of the autonomic nervous system on total peripheral resistance (TPR)?
What is the primary function of the pressure natriuresis system in maintaining blood pressure?
What is the primary function of the pressure natriuresis system in maintaining blood pressure?
What happens to the blood pressure when the blood volume falls?
What happens to the blood pressure when the blood volume falls?
What is the effect of increased pressure in afferent arterioles on glomerular filtration?
What is the effect of increased pressure in afferent arterioles on glomerular filtration?
What is the mechanism of action of ACE inhibitors in reducing blood pressure?
What is the mechanism of action of ACE inhibitors in reducing blood pressure?
What is the side effect of ACE inhibitors in 5-10% of patients?
What is the side effect of ACE inhibitors in 5-10% of patients?
What is the mechanism of action of Ca2+ channel blockers in reducing blood pressure?
What is the mechanism of action of Ca2+ channel blockers in reducing blood pressure?
What is the effect of activated RAAS on pressure natriuresis?
What is the effect of activated RAAS on pressure natriuresis?
What is the primary function of the renin-angiotensin-aldosterone system (RAAS) in the body?
What is the primary function of the renin-angiotensin-aldosterone system (RAAS) in the body?
Which hormone is released from the adrenal cortex in response to angiotensin II?
Which hormone is released from the adrenal cortex in response to angiotensin II?
What is the effect of angiotensin II on the sensitivity of the baroreceptor reflex to blood pressure?
What is the effect of angiotensin II on the sensitivity of the baroreceptor reflex to blood pressure?
Which part of the nervous system stimulates the release of renin from the juxtaglomerular cells?
Which part of the nervous system stimulates the release of renin from the juxtaglomerular cells?
What is the effect of increased arterial blood pressure on sodium excretion in the kidneys?
What is the effect of increased arterial blood pressure on sodium excretion in the kidneys?
What is the enzyme that converts angiotensin I to angiotensin II?
What is the enzyme that converts angiotensin I to angiotensin II?
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