Antimuscarinic Drug Knowledge Quiz

A detailed and educational illustration depicting antimuscarinic drugs and their effects, featuring imagery of medicinal bottles, anatomical diagrams related to their use, and friendly healthcare professionals discussing pharmacological concepts in a bright and engaging setting.

Antimuscarinic Drug Knowledge Quiz

Test your knowledge of antimuscarinic drugs and their therapeutic uses with our comprehensive quiz! This quiz covers important aspects of pharmacology, including the mechanisms of action, clinical applications, and side effects of these medications.

Whether you're a student, a healthcare professional, or simply interested in pharmacology, this quiz offers:

47 thought-provoking questions
A chance to assess your understanding
Insight into the world of antimuscarinic drugs

47 Questions12 MinutesCreated by LearningPharmacist42

Accepted therapeutic in dictions of antimuscrinic drugs do not include

Atropine has the following pharmacological action EXCEPT: Select one:

The pharmacological actions of atropine on the smooth muscles of the eye include:

Atropine causes:

Bradycardia, hypotension and bronchoconstriction

Decrease in cardiac contractile strength and conduction velocity through the AV node

Tachycardia, little effect on blood pressure and bronchodilation

Tachycardia, hypertensive crisis and bronchodilation

Atropine causes:

Miosis, a rise in intraocular pressure and cycloplegia

Miosis, a reduction in intraocular pressure and cyclospasm

Mydriasis, a rise in intraocular pressure and cycloplegia

. Mydriasis, a rise in intraocular pressure and cyclospasm

Atropine causes

Stimulation of cardiac contractility

Spasmolytic activity

Stimulation of secretory activity

Skeletal muscle contraction

Atropine

Is a non-competitive antagonist at muscarinic receptors

Blocks all cholinergic activity on the eye

Is tertiary amine, so it does not cross the cell membrane easily

Inhibits the salivary glands secretions

Cannot be absorbed from conjunctiva after ocular instillation

Which of the following do not precipitate an attack of acute glaucoma if instilled into the eye?

Atropine itself can be used in all the following conditions EXCEPT

Atropine is frequently used prior to administration of inhalant anesthetics to reduce

Atropine is NOT effective in blocking which of the following responses Select one:

. Reflex bradycardia during surgery

. A-V blockade associated with acute myocardial infarction

. Vomiting induced by gag reflex

Salivation during tonsillectomy

Cardiac stimulation induced by epinephrine

Atropine is used as pre-anesthetic medication due to all the following EXCEPT

It stimulates respiration

. It decreases blood pressure

. It induces bronchodilatation

. It blocks the cardiac muscarinic receptors.

It decreases vomiting

The atropine blocking action on the M2 receptors can lead to all the following effects

Atropine is used in pre-anesthetic medication for all the following reasons EXCEPT

To induce mydriasis

To inhibit vomiting which may enter the respiratory passages

To block the cardiac muscarinic receptors

To induce bronchodilatation and stimulate the respiration

To decrease salivation

All of the following statements about atropine are true EXCEPT:

It stimulates respiratory and cardio-inhibitory centers

. It induces smooth muscles and sphincters contractions

Hyperthermia is one of the cardinal features of atropine toxicity

It inhibits most exocrine glands secretions

It leads to SAN and AVN stimulation

Contraindications to the use of antimuscarinic drugs are all of the following except:

Indicate the drug, which is rapidly and fully distributed into CNS and has a greater effect than most other antimuscarinic agents?

....... Is an atropine substitute that is very effective in .........

Hyoscine, Motion sickness

Trihexyphenidyl, acute bronchial asthma

Ipratropium, parkinsonian rigidity

Tropicamide, fundus examination in children

Pirenzepine, peptic ulcer

Ordinary doses of atropine may be dangerous in the elderly because atropine Select one:

. Can elevate intraocular pressure in glaucoma

Frequently causes ventricular tachycardia in the elderly

. Often precipitates urine retention in women

Commonly induces hyperthermia in the elderly

A and C

Manifestations of atropine poisoning includes all of the following symptoms EXCEPT:

The bronchodilator effect of atropine or its substitutes is NOT useful in Select one:

The excessive stimulation of muscarinic receptors by pilocarpine and choline esters is blocked competitively by:

The following adverse effects would NOT be expected with scopolamine (Hyoscine) Select one:

The following are therapeutic uses of atropine rather than atropine substitutes except

The mechanism of atropine action is:

. Competitive muscarinic receptors blockade

. Noncompetitive nicotinic receptors blockade

Competitive nicotinic receptors blockade

Noncompetitive muscarinic receptors blockade

Competitive neuromuscular blockade

The pharmacologic actions of scopolamine most closely resemble those of:

Which of the following agents is used to induce broncho-dilatation by a dry powder inhaler in GOPD?

As regards atropine substitutes, which of the following is/are correct?

Atropine is poorly absorbed after oral administration

Benztropine is a quaternary amine with poor CNS penetration

Cyclopentolate is well absorbed from conjunctival sac into the eye

. Ipratropium is well absorbed with short action

C and D

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