Pharmacology 3

Question 1

What are the two divisions of the autonomic nervous system?

Answer 1

Sympathetic and parasympathetic

Question 2

Which neurotransmitter is predominantly used by the sympathetic nervous system?

Answer 2

Norepinephrine

Question 3

Which neurotransmitter is predominantly used by the parasympathetic nervous system?

Answer 3

Acetylcholine

Question 4

What is the primary neurotransmitter released at the neuromuscular junction?

Answer 4

Acetylcholine

Question 5

What is the primary neurotransmitter released by postganglionic sympathetic neurons?

Answer 5

Norepinephrine

Question 6

What is the primary neurotransmitter released by postganglionic parasympathetic neurons?

Answer 6

Acetylcholine

Question 7

Which receptors are activated by acetylcholine at the neuromuscular junction?

Answer 7

Nicotinic receptors

Question 8

Which receptors are activated by acetylcholine in the autonomic ganglia?

Answer 8

Nicotinic receptors

Question 9

Which receptors are activated by norepinephrine in the sympathetic nervous system?

Answer 9

Alpha and beta adrenergic receptors

Question 10

Which receptors are activated by acetylcholine in the parasympathetic nervous system?

Answer 10

Muscarinic receptors

Question 11

Which receptor subtype is predominantly found in the heart and smooth muscle?

Answer 11

Beta adrenergic receptors

Question 12

Which receptor subtype is predominantly found in the blood vessels and glands?

Answer 12

Alpha adrenergic receptors

Question 13

What is the primary enzyme responsible for the degradation of acetylcholine?

Answer 13

Acetylcholinesterase

Question 14

What class of drugs inhibit the enzyme acetylcholinesterase?

Answer 14

Acetylcholinesterase inhibitors

Question 15

Which class of drugs are used to treat myasthenia gravis by increasing acetylcholine levels?

Answer 15

Acetylcholinesterase inhibitors

Question 16

What is the primary enzyme responsible for the breakdown of norepinephrine?

Answer 16

Monoamine oxidase (MAO)

Question 17

What class of drugs inhibit the enzyme monoamine oxidase (MAO)?

Answer 17

Monoamine oxidase inhibitors

Question 18

Which class of drugs are used to treat depression by increasing norepinephrine levels?

Answer 18

Monoamine oxidase inhibitors

Question 19

Which class of drugs act by blocking the reuptake of norepinephrine and serotonin?

Answer 19

Tricyclic antidepressants

Question 20

Which class of drugs act by inhibiting the release of norepinephrine from presynaptic nerve terminals?

Answer 20

Alpha-2 adrenergic agonists

Question 21

Which class of drugs are used to treat hypertension by blocking alpha adrenergic receptors?

Answer 21

Alpha blockers

Question 22

Which class of drugs are used to treat hypertension by blocking beta adrenergic receptors?

Answer 22

Beta blockers

Question 23

Which class of drugs are used to treat angina by dilating coronary arteries?

Answer 23

Beta blockers

Question 24

Which class of drugs are used to treat asthma by dilating bronchial smooth muscle?

Answer 24

Beta-2 adrenergic agonists

Question 25

Which class of drugs are used to treat glaucoma by reducing intraocular pressure?

Answer 25

Beta blockers

Question 26

Which class of drugs are used to treat urinary incontinence by increasing bladder tone?

Answer 26

Muscarinic agonists

Question 27

Which class of drugs are used to treat bradycardia by increasing heart rate?

Answer 27

Beta-1 adrenergic agonists

Question 28

Which class of drugs are used to treat atrial fibrillation by slowing conduction through the AV node?

Answer 28

Beta blockers

Question 29

Which class of drugs are used to treat muscarinic toxicity by blocking muscarinic receptors?

Answer 29

Anticholinergic drugs

Question 30

Which class of drugs are used to treat overactive bladder by relaxing detrusor muscle?

Answer 30

Muscarinic antagonists

Question 31

Which class of drugs are used to treat motion sickness by blocking histamine receptors?

Answer 31

Antihistamines

Question 32

Which class of drugs are used to treat acute asthma attacks by dilating bronchial smooth muscle?

Answer 32

Beta-2 adrenergic agonists

Question 33

Which class of drugs are used to treat anaphylactic shock by dilating bronchial smooth muscle?

Answer 33

Beta-2 adrenergic agonists