Question 1

Agents such as albuterol (Proventil,Ventolin)cause bronchodilation by binding to _____ receptors.

Accepted Answer

A) alpha 
B) betA₁ 
C) betA₂ 
D) nicotinic 
A) alpha 
B) betA₁ 
C) betA₂ 
D) nicotinic C

Question 2

Which type of autonomic drug is useful to prepare a patient for an ophthalmologic examination?

Accepted Answer

A) Cholinergic agent 
B) Anticholinergic agent 
C) Adrenergic agent 
D) Adrenergic blocking agent 
A) Cholinergic agent 
B) Anticholinergic agent 
C) Adrenergic agent 
D) Adrenergic blocking agent B

Question 3

Sympathomimetic agents will stimulate salivary flow from which of the following salivary glands: (1)parotid, (2)submandibular, (3)sublingual?

Accepted Answer

A) 1,2,3 
B) 1,2 
C) 1,3 
D) 2,3 
A) 1,2,3 
B) 1,2 
C) 1,3 
D) 2,3 D

Question 4

The primary objective of cholinergic drug therapy in the treatment of glaucoma is

Accepted Answer

A) increasing the convexity of the lens. 
B) dilating the vessels of the eye. 
C) dilating the pupil. 
D) reducing intraocular pressure. 
E) inhibiting cholinesterase. 
A) increasing the convexity of the lens. 
B) dilating the vessels of the eye. 
C) dilating the pupil. 
D) reducing intraocular pressure. 
E) inhibiting cholinesterase.

Question 5

The neurotransmitter released from a preganglionic neuron in the sympathetic division of the autonomic nervous system (ANS)is

Accepted Answer

A) epinephrine. 
B) norepinephrine. 
C) dopamine. 
D) acetylcholine. 
A) epinephrine. 
B) norepinephrine. 
C) dopamine. 
D) acetylcholine.

Question 6

The acronym SLUD denotes adverse reactions associated with administration of _____ agents.

Accepted Answer

A) cholinergic 
B) anticholinergic 
C) adrenergic 
D) antiadrenergic 
A) cholinergic 
B) anticholinergic 
C) adrenergic 
D) antiadrenergic

Question 7

Which of the following sympathomimetic agents is commonly used in dentistry?

Accepted Answer

A) Ephedrine 
B) Terbutaline 
C) Dipivefrin 
D) Levonordefrin 
A) Ephedrine 
B) Terbutaline 
C) Dipivefrin 
D) Levonordefrin

Question 8

On administration of an agent,heart rate increases because of a direct effect on the heart.However,total peripheral resistance decreases dramatically.As a consequence,systolic blood pressure increases only slightly,and mean arterial pressure typically falls.This agent is

Accepted Answer

A) epinephrine. 
B) norepinephrine. 
C) phenylephrine. 
D) isoproterenol. 
A) epinephrine. 
B) norepinephrine. 
C) phenylephrine. 
D) isoproterenol.

Question 9

Stimulation of which adrenergic receptor allows the bladder to fill?

Accepted Answer

A) Alpha 
B) Beta-1 
C) Beta-2 
D) Beta-3 
A) Alpha 
B) Beta-1 
C) Beta-2 
D) Beta-3

Question 10

Tertiary (ammonium)agents cross the blood-brain barrier better than quaternary (ammonium)agents.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements is true concerning direct- and indirect-acting cholinergic agents?

Accepted Answer

A) A direct agent causes release of neurotransmitter and an indirect agent acts on the receptor. 
B) The indirect-acting agents include the choline derivatives and pilocarpine. 
C) The indirect-acting cholinesterase inhibitors act by stimulating release of acetylcholine. 
D) Inhibiting the enzyme that normally destroys acetylcholine results in stimulation of the PANS. 
A) A direct agent causes release of neurotransmitter and an indirect agent acts on the receptor. 
B) The indirect-acting agents include the choline derivatives and pilocarpine. 
C) The indirect-acting cholinesterase inhibitors act by stimulating release of acetylcholine. 
D) Inhibiting the enzyme that normally destroys acetylcholine results in stimulation of the PANS.

Question 12

Which of the following is a catecholamine?

Accepted Answer

A) Isoproterenol 
B) Norepinephrine 
C) Epinephrine 
D) Both B and C 
E) All of the above 
A) Isoproterenol 
B) Norepinephrine 
C) Epinephrine 
D) Both B and C 
E) All of the above

Question 13

Anticholinergics

Accepted Answer

A) accelerate gastric emptying. 
B) decrease esophageal and gastric motility. 
C) cause miosis. 
D) do not have an effect on heart rate. 
A) accelerate gastric emptying. 
B) decrease esophageal and gastric motility. 
C) cause miosis. 
D) do not have an effect on heart rate.

Question 14

The direct effect of acetylcholine on the heart is _____ chronotropic and _____ inotropic action.

Accepted Answer

A) negative;negative 
B) positive;positive 
C) negative;positive 
D) positive;negative 
E) None of the above are correct. 
A) negative;negative 
B) positive;positive 
C) negative;positive 
D) positive;negative 
E) None of the above are correct.

Question 15

Anticholinergic agents prevent the action of acetylcholine at the _____ endings.

Accepted Answer

A) preganglionic sympathetic 
B) postganglionic parasympathetic 
C) Preganglionic sympathetic 
D) Postganglionic parasympathetic 
A) preganglionic sympathetic 
B) postganglionic parasympathetic 
C) Preganglionic sympathetic 
D) Postganglionic parasympathetic

Question 16

The autonomic nervous system (ANS)functions as a(n)_____ system for many bodily functions.

Accepted Answer

A) somatic negative feedback 
B) somatic modulating 
C) automatic negative feedback 
D) automatic modulating 
A) somatic negative feedback 
B) somatic modulating 
C) automatic negative feedback 
D) automatic modulating

Question 17

The anatomy of what system contains long preganglionic nerves and short postganglionic nerves?

Accepted Answer

A) Parasympathetic autonomic 
B) Sympathetic autonomic 
C) Somatic 
D) Sensory afferent 
A) Parasympathetic autonomic 
B) Sympathetic autonomic 
C) Somatic 
D) Sensory afferent

Question 18

Which of the following statements is true concerning the organization of the autonomic nervous system (ANS)?

Accepted Answer

A) All body tissues are innervated by the ANS. 
B) All organs receive both parasympathetic and sympathetic innervation. 
C) If a tissue receives both innervations,the response will be equal to the sum of excitatory and inhibitory influences of the two divisions of the ANS. 
D) Sensory fibers in one division cannot influence the motor fibers in the other. 
A) All body tissues are innervated by the ANS. 
B) All organs receive both parasympathetic and sympathetic innervation. 
C) If a tissue receives both innervations,the response will be equal to the sum of excitatory and inhibitory influences of the two divisions of the ANS. 
D) Sensory fibers in one division cannot influence the motor fibers in the other.

Question 19

A combination of pralidoxime and atropine is used to treat an overdose of _____ inhibitors.

Accepted Answer

A) acetylcholine 
B) cholinesterase 
C) epinephrine 
D) norepinephrine 
A) acetylcholine 
B) cholinesterase 
C) epinephrine 
D) norepinephrine

Question 20

A drug with anticholinergic side effects might exhibit all of the following except

Accepted Answer

A) mydriasis. 
B) salivation. 
C) tachycardia. 
D) constipation. 
A) mydriasis. 
B) salivation. 
C) tachycardia. 
D) constipation.

Exam 4: Autonomic Drugs

Agents such as albuterol (Proventil,Ventolin)cause bronchodilation by binding to _____ receptors.

Which type of autonomic drug is useful to prepare a patient for an ophthalmologic examination?

Sympathomimetic agents will stimulate salivary flow from which of the following salivary glands: (1)parotid, (2)submandibular, (3)sublingual?

The primary objective of cholinergic drug therapy in the treatment of glaucoma is

The neurotransmitter released from a preganglionic neuron in the sympathetic division of the autonomic nervous system (ANS)is

The acronym SLUD denotes adverse reactions associated with administration of _____ agents.

Which of the following sympathomimetic agents is commonly used in dentistry?

On administration of an agent,heart rate increases because of a direct effect on the heart.However,total peripheral resistance decreases dramatically.As a consequence,systolic blood pressure increases only slightly,and mean arterial pressure typically falls.This agent is

Stimulation of which adrenergic receptor allows the bladder to fill?

Tertiary (ammonium)agents cross the blood-brain barrier better than quaternary (ammonium)agents.

Which of the following statements is true concerning direct- and indirect-acting cholinergic agents?

Which of the following is a catecholamine?

Anticholinergics

The direct effect of acetylcholine on the heart is _____ chronotropic and _____ inotropic action.

Anticholinergic agents prevent the action of acetylcholine at the _____ endings.

The autonomic nervous system (ANS)functions as a(n)_____ system for many bodily functions.

The anatomy of what system contains long preganglionic nerves and short postganglionic nerves?

Which of the following statements is true concerning the organization of the autonomic nervous system (ANS)?

A combination of pralidoxime and atropine is used to treat an overdose of _____ inhibitors.

A drug with anticholinergic side effects might exhibit all of the following except

Information Sources, Regulatory Agencies, Drug Legislation, and Prescription Writing

Drug Action and Handling

Adverse Reactions

Nonopioid Non-Narcoticanalgesics

Opioid Narcoticanalgesics and Antagonists

Antiinfective Agents

Antifungal and Antiviral Agents

Local Anesthetics

General Anesthetics

Antianxiety Agents

Drugs for the Treatment of Cardiovascular Disease

Drugs for the Treatment of Gastrointestinal Diseases

Drugs for the Treatment of Seizure Disorders

Drugs for the Treatment of Central Nervous System Disorders

Adrenocorticosteroids

Drugs for the Treatment of Respiratory Disorders and Allergic Rhinitis

Drugs for the Treatment of Diabetes Mellitus

Drugs for the Treatment of Other Endocrine Disorders

Antineoplastic Drugs

Emergency Drugs

Pregnancy and Breast Feeding

Substance Use Disorders

Naturalherbal Products and Dietary Supplements

Oral Conditions and Their Treatment

Hygiene-Related Oral Disorders

Filters

The direct effect of acetylcholine on the heart is _ chronotropic and _ inotropic action.