ANS Flashcards
ANS drug correctly matched with clinical use
a. adrenaline - anaphylactic shock
a. True, adrenaline is indicated for anaphylaxis and in combination with local anaesthetics
ANS drug correctly matched with clinical use
b. atropine - organophosphate poisoning
b. True, atropine is a muscarinic antagonist and will block the action of organophosphates
ANS drug correctly matched with clinical use
c. dopamine - hypertension
c. False, indicated for: Cardiogenic & septic shock, acute hypotension, severe heart failure
ANS drug correctly matched with clinical use
d. neostigmine - myasthenia gravis
d. True
ANS drug correctly matched with clinical use
e. phenylephrine - rebound hyperaemia
e. False, indicated as nasal decongestant agent and in hypotension
Autonomic Nervous System (ANS) - Systemic Drugs
a. β1-adrenoceptor agonists cause bradycardia
a. False, tachycardia
Autonomic Nervous System (ANS) - Systemic Drugs
b. β2-adrenoceptor agonists cause bronchoconstriction
b. False, bronchodilation
Autonomic Nervous System (ANS) - Systemic Drugs
c.α1-adrenoceptor blockers cause vasodilation
c. True, alpha 1 stimulation causes vsm constriction, so inhibition will cause dilation
Autonomic Nervous System (ANS) - Systemic Drugs
d. α2-adrenoceptor agonists cause vasodilation
d. True, cause dilation by inhibiting NE release
Autonomic Nervous System (ANS) - Systemic Drugs
e. muscarinic receptor stimulation causes tachycardia
e. False, bradycardia
Pharmacological adverse-effects of pseudoephedrine include:
a. tremor
a. True
Pharmacological adverse-effects of pseudoephedrine
b. bradycardia
b. False, tachycardia (NE release)
Pharmacological adverse-effects of pseudoephedrine include:
c. diarrhoea
c. False (nausea and vomiting, no diarrhoea)
Pharmacological adverse-effects of pseudoephedrine include:
d. addiction
d. True
Pharmacological adverse-effects of pseudoephedrine include:
e. hypotension
e. False, hypertension due to NE release
Pharmacological adverse-effects of hyoscine include:
a. dry mouth
a. True, antimuscarinic
Pharmacological adverse-effects of hyoscine include
b. bradycardia
:
b. False, tachycardia antimuscarinic
Pharmacological adverse-effects of hyoscine include
c. diarrhoea
c. False, constipation
Pharmacological adverse-effects of hyoscine include:
d. abdominal spasms
d. False, its used as an antispasmodic
Pharmacological adverse-effects of hyoscine include:
e. urinary retention :
e. True, antimuscarinic
Bisoprolol is:
a. a non-selective β-adrenoceptor blocker
a. False, bisoprolol is a B1 selective blocker. (olol = Beta blocker)
Bisoprolol is:
b. used for the treatment of cardiac failure
b. False, bisoprolol is indicated for hypertension, angina, and myocardial infarction
Bisoprolol is:
c. used to control hypoglycaemic episodes in diabetics
c. False, beta blockers cause hypoglycaemia as an adverse effect
Bisoprolol is:
d. contraindicated in asthma
d. True, beta blockers cause bronchospasm as an A/E and are contraindicated in asthma
Bisoprolol is:
e. more β1-selective at higher doses
e. False, at higher doses adrenergic drugs cross react
ANS drug correctly matched with clinical use
a. hyoscine - irritable bowel syndrome
A. True, hyoscine is an antimuscarinic drug indicated for IBS and as an antispasmodic
ANS drug correctly matched with clinical use
b. atropine - decongestant
B. False, atropine is a muscarinic antagonist used to produce mydriasis, as an antispasmodic, anti-secretory, bradycardia and as treatment for organophosphate poisoning
ANS drug correctly matched with clinical use
c. neostigmine - Myasthenia gravis
C. True, Reversible ACETYLCHOLINE ESTERASE INHIBITORS used to treat myasthenia gravis
ANS drug correctly matched with clinical use
d. phenylephrine - glaucoma
D. False, phenylephrine is a nasal decongestant
ANS drug correctly matched with clinical use
e. salbutamol – asthma
E. True, salbutamol is a b2 agonist used in the treatment of asthma
Autonomic Nervous System (ANS) - systemic drugs
a. β1 adrenoceptor agonists cause bradycardia
A. False, B1 agonists will cause tachycardia
Autonomic Nervous System (ANS) - systemic drugs
b. β2 adrenoceptor antagonists cause bronchodilation
B. False, B2 adrenoceptor agonists will cause bronchodilation
Autonomic Nervous System (ANS) - systemic drugs
c. α1 adrenoceptor blockers cause vasodilation
C. True, Antagonism of alpha 1 adrenoceptors results in dilation of arteries, vein
Autonomic Nervous System (ANS) - systemic drugs
d. α2 adrenoceptor agonists cause vasodilation
D. True, alpha 2 agonists inhibit NE release causing vasodilation
Autonomic Nervous System (ANS) - systemic drugs
e. muscarinic receptor antagonists cause tachycardia
E. True, muscarinic effects are rest and digest so inhibiting these effects will cause sympathetic effects
Pharmacological adverse-effects of neostigmine include
a. dry Mouth
A. False, Neostigmine will exacerbate PNS effects and thus cause salivation
Pharmacological adverse-effects of neostigmine include
b. bradycardia
B. True, Neostigmine will exacerbate PNS effects and thus cause bradycardia
Pharmacological adverse-effects of neostigmine
c. miosis
C. True, Neostigmine will exacerbate PNS effects and thus cause miosis
Pharmacological adverse-effects of neostigmine include
d. bronchoconstriction
D. Ture, Neostigmine will exacerbate PNS effects and thus cause bronchoconstriction
Pharmacological adverse-effects of neostigmine include
e. urinary retention
E. False, Neostigmine will exacerbate PNS effects and thus cause excessive urination
Mechanism of action of drugs acting at the autonomic nervous system
a. pilocarpine - inhibits muscarinic receptors
A. False, pilocarpine is a muscarinic agonist
Mechanism of action of drugs acting at the autonomic nervous system
b. dopamine - stimulates β1 adrenoreceptors
B. True, dopamine stimulates B1 receptors at high doses and at even higher doses stimulates A1
Mechanism of action of drugs acting at the autonomic nervous system
c. salmeterol - inhibits β2 adrenoreceptors
C. False, salmeterol is a B2 agonist
Mechanism of action of drugs acting at the autonomic nervous system
d. pseudoephedrine - stimulates α1 adrenoreceptors
D. True, causes the release of stored NE which will cause A and B receptor stimulation
Mechanism of action of drugs acting at the autonomic nervous system
e. phenylephrine - inhibits α1 adrenoreceptors
E. False, A1 agonist used as a nasal decongestant