Influences if Selected Hormones on Variables Affecting Blood Pressure

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created 10 years ago by MEKR
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updated 10 years ago by MEKR
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1

Epinephrine and norepinephrine

↑ Blood pressure
↑ CO(HR and contractility)
↑ peripheral resistance (vasoconstriction)

Site of action - Heart(ß1 receptors)
Arterioles (ά receptors)

2

Angiotensin II (potent)

↑ Blood pressure
↑ peripheral resistance (vasoconstriction)

Site of Action - Arterioles

3

Atrial natriuretic peptide (ANP)

↓ Blood Pressure
↓ peripheral resistance(vasodialation)

Site of Action - Arterioles

4

Antidiuretic hormone (ADH)

↑ Blood pressure
↑ peripheral resistance (vasoconstriction)
↑ Blood volume (↓ water loss)

Site of Action- Arterioles & Kidney tubule cells

5

Aldosterone

↑ Blood pressure
↑ Blood volume (↓ water and salt loss)

Site of action - Kidney tubule cells

6

Cortisol

↑ Blood pressure
↑ Blood volume (↓ water and salt loss)

Site of action - Kidney tubule cells