Adrenergic Blockers (antagonists)

Question 1

What is the response created by adrenergic blockers?

Answer 1

Response by blocking alpha and beta receptors

Question 2

Mechanism of actions by adrenergic antagonist

Answer 2

Direct (occupying receptors) and indirect (inhibiting release of neurotransmitters) blocking

Question 3

2 types of adrenergic blockers

Answer 3

Alpha and beta blockers

Question 4

Alpha blockers?

Answer 4

Works by block binding of epi to smooth muscle that can relax it and can cause VASODILATION (that can help prevent hypertension and PVD)
Also, helps in contraction of the bladder and prostate

Question 5

Suffix for the alpha blockers?

Answer 5

It usually ends with -zosin

Question 6

What to remember when taking alpha blockers?

Answer 6

Alpha blockers can cause the ff:

1. Dizziness
2. Orthostatic hypotension (sudden decrease of bp and hr)
3. Headache, nasal congestion

Question 7

What is orthostatic hypotension and what intervention you can do for it?

Answer 7

Orthostatic hypotension is the sudden decrease of BP (SBP -20 mmHg and DBP -10 mmHg) and increase in HR 20 bpm
Usually happens when changing positions (supine-sitting or standing)
Intervention: from supine to sitting, dangle legs for 5 mins, then proceed in standing

Question 8

Beta blockers?

Answer 8

Decreases heart rate and bp 
Can help in treating mild to moderate:
Hypertension 
Angina pectoris (chest pain) 
Myocardial infarction (heart attack)

Question 9

Suffix for beta blockers?

Answer 9

It usually ends with -olol

Question 10

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Drug for hypertension?

Answer 10

Prazosin or terazosin

Question 11

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Drug for BPH?

Answer 11

Tamsulosin or alfuzosin

Question 12

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Drug for glaucoma?
(Glaucoma is group of disease that damages the optic nerve, build up of pressure)

Answer 12

Tumolol (1st gen)

Question 13

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Drug for decrease CO, HR for patients with heart block?

Answer 13

Pindolol