Site/Predominant Tone/Effect of Ganglionic Blockade

Question 1

Afterioles

Answer 1

Predominant tone= Sympathetic (adrenergic)

Effect of Ganglionic Blockade=

• -vasodilation
• -increased peripheral blood flow
• -hypotension

Question 2

Veins

Answer 2

Predominant tone= Sympathetic (adrenergic)

Effect of Ganglionic Blockade=

• -Dilation
• -Peripheral pooling of blood
• -Decreased venous return
• -decreased CO

Question 3

Heart

Answer 3

Predominant tone= Parasympathetic (cholinergic)

Effect of Ganglionic Blockade=
–Tachycardia