Catecholamines

Question 1

Norepinephrine is found on ….

Answer 1

Alpha 1, alpha 2 & beta 1

Question 2

Effects of norepinephrine on blood pressure and HR.

Answer 2

Increase in BP (alpha1) , initially increase in HR (beta1) , later reflex bradycardia

Question 3

Epinephrine is found on …

Answer 3

Alpha 1, alpha 2, beta 1, beta 2

Question 4

Epinephrine effect…

Answer 4

Low dose: increase HR(beta1) & decrease BP (beta2)

Medium dose : only increase in BP

High dose epi = norepinephrine (increase BP, increased HR)