The autonomic nervous system is also known as (a) Visceral (b) Vegetative (c) Involuntary nervous system (d) All of the above

The autonomic nervous system is also known as (a) Visceral (b) Vegetative (c) Involuntary nervous system (d) All of the above
by

1 Answer

Answer :

Ans: C
by
selected by

Related questions

By which nervous system and of what type, the blood is supplied into visceral organs? (a) Both SNS and PNS, involuntary (b) Para-sympathetic nervous system involuntary (c) Sympathetic nervous system, involuntary (d) Sympathetic nervous system, voluntary

Description : By which nervous system and of what type, the blood is supplied into visceral organs? (a) Both SNS and PNS, involuntary (b) Para-sympathetic nervous system involuntary (c) Sympathetic nervous system, involuntary (d) Sympathetic nervous system, voluntary

Last Answer : (a) Both SNS and PNS, involuntary

Muscarinic cholinergic receptors (a) Are located only on parasympathetically innervated effector cells (b) Mediate responses by opening an instrinsic Na+ ion channel (c) Are present on vascular endothelium which has no cholinergic nerve supply (d) Predominate in the autonomic ganglia

Description : Muscarinic cholinergic receptors (a) Are located only on parasympathetically innervated effector cells (b) Mediate responses by opening an instrinsic Na+ ion channel (c) Are present on vascular endothelium which has no cholinergic nerve supply (d) Predominate in the autonomic ganglia

Last Answer : Ans: C

Which of the following is a vasodilator drug used for hypertension that lacks a direct effect on autonomic receptors but may provoke anginal attacks? (a) Amyl nitrite (b) Hydralazine (c) Isosorbide mononitrate (d) Nifedipine (e) Nimodipine

Description : Which of the following is a vasodilator drug used for hypertension that lacks a direct effect on autonomic receptors but may provoke anginal attacks? (a) Amyl nitrite (b) Hydralazine (c) Isosorbide mononitrate (d) Nifedipine (e) Nimodipine

Last Answer : Ans: B

Full activation of the sympathetic nervous system, as in maximal exercise, can produce all of the following responses except (a) Bronchial relaxation (b) Decreases intestinal motility (c) Increased renal blood flow (d) Mydriasis (e) Increased heart rate (tachycardia)

Description : Full activation of the sympathetic nervous system, as in maximal exercise, can produce all of the following responses except (a) Bronchial relaxation (b) Decreases intestinal motility (c) Increased renal blood flow (d) Mydriasis (e) Increased heart rate (tachycardia)

Last Answer : Ans: C

Choose the incorrect statement from the following (a) Sympathetic system increases rate of SA node (b) Sympathetic system causes constriction of coronary arteries (c) Sympathetic system causes increased motility of GIT smooth muscles (d) Sympathetic system causes constriction of sphincter in GIT

Description : Choose the incorrect statement from the following (a) Sympathetic system increases rate of SA node (b) Sympathetic system causes constriction of coronary arteries (c) Sympathetic system causes increased motility of GIT smooth muscles (d) Sympathetic system causes constriction of sphincter in GIT

Last Answer : Ans: C

In male sex organs _______ system is responsible for erection. (a) Sympathetic (b) Parasympathetic (c) Norepinephrine (d) None of the above

Description : In male sex organs _______ system is responsible for erection. (a) Sympathetic (b) Parasympathetic (c) Norepinephrine (d) None of the above

Last Answer : Ans: B

unlike the somatic nervous system, the autonomic nervous system -General Knowledge

Description : unlike the somatic nervous system, the autonomic nervous system -General Knowledge

Last Answer : The given statement is true.

Components of autonomic nervous system (ANS)? -Biology

Description : Components of autonomic nervous system (ANS)? -Biology

Last Answer : answer:

What is the autonomic nervous system ?

Description : What is the autonomic nervous system ?

Last Answer : : The organs over which we have no control are controlled and controlled by the autonomic nervous system . The internal organs of the body , such as the heart , intestines , stomach ... effect on the functioning of these systems, they perform their functions much more independently and individually.

Hypersensitivity refers to undesirable reactions produced by a) circulatory system b) Respiratory system c) Immune System d) Endocrine system e) Autonomic nervous system

Description : Hypersensitivity refers to undesirable reactions produced by a) circulatory system b) Respiratory system c) Immune System d) Endocrine system e) Autonomic nervous system

Last Answer : Ans: C

Mention the two parts of the autonomic nervous system.

Description : Mention the two parts of the autonomic nervous system.

Last Answer : The two parts of the autonomic nervous system are: a) Sympathetic system b) para sympathetic system

State the function of autonomic nervous system.

Description : State the function of autonomic nervous system.

Last Answer : The function of autonomic nervous system is to regulate the involuntary actions of the body

What is autonomic nervous system?

Description : What is autonomic nervous system?

Last Answer : Autonomic nervous system consists of a set of peripheral nerves that connect the organs like heart, lungs and digestive tract and other internal organs.

The autonomic nervous system innervates all of these except? A. Cardiac muscles B. Skeletal muscles (Answer) C. Smooth muscles D. none

Description : The autonomic nervous system innervates all of these except? A. Cardiac muscles B. Skeletal muscles (Answer) C. Smooth muscles D. none

Last Answer : B. Skeletal muscles (Answer)

The following are true about renal circulation: a. it accounts for 25% of the cardiac outputb. it is regulated predominantly by the autonomic nervous system c. in a normal 70 kg man, renal blood flow is about 1200ml/min d. macula densa cells are found in the efferent arteriolar wall

Description : The following are true about renal circulation: a. it accounts for 25% of the cardiac output b. it is regulated predominantly by the autonomic nervous system c. in a normal 70 kg man, renal blood flow is about 1200ml/min d. macula densa cells are found in the efferent arteriolar wall

Last Answer : macula densa cells are found in the efferent arteriolar wall

True statements about cerebral blood flow: a. it is controlled mainly by the autonomic nervous system b. cerebral arterioles constricts when the blood pressure is raised c. it is constant in the blood pressure range of 50 to 150 mm Hg systolic d. hypocapnia increases the cerebral blood flow

Description : True statements about cerebral blood flow: a. it is controlled mainly by the autonomic nervous system b. cerebral arterioles constricts when the blood pressure is raised c. it is constant in the blood pressure range of 50 to 150 mm Hg systolic d. hypocapnia increases the cerebral blood flow

Last Answer : it is constant in the blood pressure range of 50 to 150 mm Hg systolic

The following are true about the autonomic nervous system: a. the preganglionic fibres are mainly myelinated, slow conducting B fibres b. the postganglionic fibres are mainly unmyelinated C fibres c. all preganglionic neurones are cholinergic neurons d. all above

Description : The following are true about the autonomic nervous system: a. the preganglionic fibres are mainly myelinated, slow conducting B fibres b. the postganglionic fibres are mainly unmyelinated C fibres c. all preganglionic neurones are cholinergic neurons d. all above

Last Answer : all above

The following are true about the autonomic nervous system: a. the postganglionic neurones are largely unmyelinated b. all preganglionic neurones are cholinergic c. the preganglionic neurones of the sympathetic nervous system are shorter than the parasympathetic nervous system d. the parasympathetic outflow is only found in the cranial nerves

Description : The following are true about the autonomic nervous system: a. the postganglionic neurones are largely unmyelinated b. all preganglionic neurones are cholinergic c. the preganglionic neurones of ... parasympathetic nervous system d. the parasympathetic outflow is only found in the cranial nerves

Last Answer : the postganglionic neurones are largely unmyelinated

With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres are usually longer than preganglionic parasympathetic fibres c. acetylcholine is the neurotransmitter at the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

Description : With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres ... the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

Last Answer : the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves

The major integrator of autonomic nervous system is a. cerebrum b. cerebellum c. hypothalamus d. all

Description : The major integrator of autonomic nervous system is a. cerebrum b. cerebellum c. hypothalamus d. all

Last Answer : hypothalamus

Phenylephrine (a) Mimics the transmitter at post-synaptic receptors (b) Displaces transmitter from axonal terminal (c) Inhibits synthesis of transmitter (d) None of the above

Description : Phenylephrine (a) Mimics the transmitter at post-synaptic receptors (b) Displaces transmitter from axonal terminal (c) Inhibits synthesis of transmitter (d) None of the above

Last Answer : Ans: A

Propranolol does not block the following action of adrenaline (a) Bronchodilation (b) Lipolysis (c) Muscle tremor (d) Mydriasis

Description : Propranolol does not block the following action of adrenaline (a) Bronchodilation (b) Lipolysis (c) Muscle tremor (d) Mydriasis

Last Answer : Ans: D

Propanolol can be used to allay anxiety associated with (a) Chronic neurotic disorer (b) Schizopherenia (c) Short-term stressful situation (d) Endogenous depression

Description : Propanolol can be used to allay anxiety associated with (a) Chronic neurotic disorer (b) Schizopherenia (c) Short-term stressful situation (d) Endogenous depression

Last Answer : Ans: C

The ß-adrenergic blocker which possesses both ß1 selectivity as well as intrinsic sympathomimetic activity is (a) Alprenolol (b) Atenolol (c) Acebutolol (d) Metoprolol

Description : The ß-adrenergic blocker which possesses both ß1 selectivity as well as intrinsic sympathomimetic activity is (a) Alprenolol (b) Atenolol (c) Acebutolol (d) Metoprolol

Last Answer : Ans: C

Which of the following is true of sildenafil (a) It enhances sexul enjoyment in normal men (b) It delays ejaculation (c) It is indicated only for treatment of erectile dysfunction in men (d) It blocks cavernosal a2 adrenoceptors

Description : Which of the following is true of sildenafil (a) It enhances sexul enjoyment in normal men (b) It delays ejaculation (c) It is indicated only for treatment of erectile dysfunction in men (d) It blocks cavernosal a2 adrenoceptors

Last Answer : Ans: C

Prazosin is an effective antihypertensive while nonselective a adrenergic blockers are not because (a) It is the only orally active a blocker (b) It improves plasma lipid profile (c) It does not concurrently enhance noradrenaline release (d) It improves urine flow in males with prostatic hypertrophy

Description : Prazosin is an effective antihypertensive while nonselective a adrenergic blockers are not because (a) It is the only orally active a blocker (b) It improves plasma lipid profile (c) It does not concurrently enhance noradrenaline release (d) It improves urine flow in males with prostatic hypertrophy

Last Answer : Ans: C

The drug which produces vasoconstriction despite being an a adrenergic blocker is (a) Phenoxybenzamine (b) Ergotamine (c) Dihydroergotoxine (d) Tolazoline

Description : The drug which produces vasoconstriction despite being an a adrenergic blocker is (a) Phenoxybenzamine (b) Ergotamine (c) Dihydroergotoxine (d) Tolazoline

Last Answer : Ans: B

Guanethidine inhibits (a) Synthesis of transmitter (b) Metabolism of transmitter (c) Release of transmitter (d) Displacement of transmitter from axonal terminal

Description : Guanethidine inhibits (a) Synthesis of transmitter (b) Metabolism of transmitter (c) Release of transmitter (d) Displacement of transmitter from axonal terminal

Last Answer : Ans: C

Vasoconstrictors should not be used in (a) Neurogenic shock (b) Haemorrhagic shock (c) Secondary shock (d) Hypotension due to spinal anaesthesia

Description : Vasoconstrictors should not be used in (a) Neurogenic shock (b) Haemorrhagic shock (c) Secondary shock (d) Hypotension due to spinal anaesthesia

Last Answer : Ans: C

While undergoing a surgical procedure a patient develops hypotension. Which of the following drugs can be injected intramuscularly to raise his BP (a) Noradrenaline (b) Isoprenaline (c) Mephentermine (d) Isoxsuprine

Description : While undergoing a surgical procedure a patient develops hypotension. Which of the following drugs can be injected intramuscularly to raise his BP (a) Noradrenaline (b) Isoprenaline (c) Mephentermine (d) Isoxsuprine

Last Answer : Ans: C

Continuous exposure of ctecholaminesensitive cells and tissues to adrenergic agonists causes a progressive diminition in their capacity to respond, this phenomenon is called as (a) Refractoriness (b) Desensitization (c) Tachyphylaxis (d) All of the above

Description : Continuous exposure of ctecholaminesensitive cells and tissues to adrenergic agonists causes a progressive diminition in their capacity to respond, this phenomenon is called as (a) Refractoriness (b) Desensitization (c) Tachyphylaxis (d) All of the above

Last Answer : Ans: D

Ephedrine is similar to adrenaline in the following feature (a) Potency (b) Inability to penetrate blood-brain barrier (c) Duration of action (d) Producing both a and ß adrenergic effects

Description : Ephedrine is similar to adrenaline in the following feature (a) Potency (b) Inability to penetrate blood-brain barrier (c) Duration of action (d) Producing both a and ß adrenergic effects

Last Answer : Ans: D

Dobutamine differs from dopamine in that (a) It does not activate peripheral dopaminergic receptors (b) It does not activate adrenergic ß receptors (c) It causes pronounced tachycardia (d) It has good blood-brain barrier penetrability

Description : Dobutamine differs from dopamine in that (a) It does not activate peripheral dopaminergic receptors (b) It does not activate adrenergic ß receptors (c) It causes pronounced tachycardia (d) It has good blood-brain barrier penetrability

Last Answer : Ans: A

Noradrenaline is administered by (a) Subcutaneous injection (b) Intramuscular injection (c) Slow intravenous infusion (d) All of the above routes

Description : Noradrenaline is administered by (a) Subcutaneous injection (b) Intramuscular injection (c) Slow intravenous infusion (d) All of the above routes

Last Answer : Ans: C

Adrenaline raises blood glucose level by the following actions except (a) Inducing hepatic glycogenolysis (b) Inhibiting insulin secretion from pancreatic ß cells (c) Augmenting glucagons secretion from pancreatic a cells (d) Inhibiting peripheral glucose utilization

Description : Adrenaline raises blood glucose level by the following actions except (a) Inducing hepatic glycogenolysis (b) Inhibiting insulin secretion from pancreatic ß cells (c) Augmenting glucagons secretion from pancreatic a cells (d) Inhibiting peripheral glucose utilization

Last Answer : Ans: D

a2–adrenergic receptors are associated with following except (a) Increase in phospholipase C activity (b) Increase in potassium channel conductance (c) Decrease in calcium channel conductance (d) Increase in adenylyl cyclase activity

Description : a2–adrenergic receptors are associated with following except (a) Increase in phospholipase C activity (b) Increase in potassium channel conductance (c) Decrease in calcium channel conductance (d) Increase in adenylyl cyclase activity

Last Answer : Ans: D

Low doses of adrenaline dilate the following vascular bed (a) Cutaneous (b) Mucosal (c) Renal (d) Skeletal muscle

Description : Low doses of adrenaline dilate the following vascular bed (a) Cutaneous (b) Mucosal (c) Renal (d) Skeletal muscle

Last Answer : Ans: D

A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is (a) Ephedrine (b) Dopamine (c) Isoprenaline (d) Tyramine

Description : A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is (a) Ephedrine (b) Dopamine (c) Isoprenaline (d) Tyramine

Last Answer : Ans: D

Choose the correct statement from the following about a1 – adrenergic receptor agonists (a) Norepinephrine > isoproterenol > epinephrine (b) Norepinephrine < epinephrine > isoproterenol (c) Epinephrine = norepinephrine >> isoproterenol (d) Epinephrine > isoproterenol > norepinephrine

Description : Choose the correct statement from the following about a1 – adrenergic receptor agonists (a) Norepinephrine > isoproterenol > epinephrine (b) Norepinephrine < epinephrine > isoproterenol (c) Epinephrine = norepinephrine >> isoproterenol (d) Epinephrine > isoproterenol > norepinephrine

Last Answer : Ans: C

Tyramine induces release of noradrenaline from adrenergic nerve endings (a) By depolarizing the axonal membrane (b) By mobilizing Ca2+ (c) By a nonexocytotic process (d) Only in the presence of MAO inhibitors

Description : Tyramine induces release of noradrenaline from adrenergic nerve endings (a) By depolarizing the axonal membrane (b) By mobilizing Ca2+ (c) By a nonexocytotic process (d) Only in the presence of MAO inhibitors

Last Answer : Ans: C

The most efficacious inhibitor of catecholamine synthesis in the body is (a) a - methyl – p - tyrosine (b) a - methyldopa (c) a - methyl - norepinephrine (d) Pyrogallol

Description : The most efficacious inhibitor of catecholamine synthesis in the body is (a) a - methyl – p - tyrosine (b) a - methyldopa (c) a - methyl - norepinephrine (d) Pyrogallol

Last Answer : Ans: A

Select the correct statement from the following about a1 – adrenergic receptor agonists (a) Isoproterenol > epinephrine = norepinephrine (b) Epinephrine > isoproterenol > norepinephrine (c) Isoproterenol = epinephrine = norepinephrine (d) Epinephrine = norepinephrine > isoproterenol

Description : Select the correct statement from the following about a1 – adrenergic receptor agonists (a) Isoproterenol > epinephrine = norepinephrine (b) Epinephrine > isoproterenol > norepinephrine (c) Isoproterenol = epinephrine = norepinephrine (d) Epinephrine = norepinephrine > isoproterenol

Last Answer : Ans: A

Atropine is contraindicated in (a) Cyclic AMP (b) Inositol trisphosphate (c) Diacyl glycerols (d) G protein

Description : Atropine is contraindicated in (a) Cyclic AMP (b) Inositol trisphosphate (c) Diacyl glycerols (d) G protein

Last Answer : Ans: D

The most effective antidote for belladonna poisoning is (a) Neostigmine (b) Physostigmine (c) Pilocarpine (d) Methacholine

Description : The most effective antidote for belladonna poisoning is (a) Neostigmine (b) Physostigmine (c) Pilocarpine (d) Methacholine

Last Answer : Ans: B

The most suitable mydratic for a patient of corneal ulcer is (a) Atropine sulfate (b) Homatropine (c) Cyclopentolate (d) Tropicamide

Description : The most suitable mydratic for a patient of corneal ulcer is (a) Atropine sulfate (b) Homatropine (c) Cyclopentolate (d) Tropicamide

Last Answer : Ans: A

Which of the following mydriatics has the fastest and briefest action ? (a) Atropine (b) Homatropine (c) Tropicamide (d) Cyclopentolate

Description : Which of the following mydriatics has the fastest and briefest action ? (a) Atropine (b) Homatropine (c) Tropicamide (d) Cyclopentolate

Last Answer : Ans: C

Glycopyrrolate is the preferred antimuscannic drug for use before and during surgery because (a) It is potent and fast acting (b) It has no central action (c) It has antisecretory and vagolytic actions (d) All of the above

Description : Glycopyrrolate is the preferred antimuscannic drug for use before and during surgery because (a) It is potent and fast acting (b) It has no central action (c) It has antisecretory and vagolytic actions (d) All of the above

Last Answer : Ans: D

Which of the following anticholinergic drugs is primarily used in preanaesthetic medication and during surgery (a) Glycopyrrolate (b) Pipenzolate methyl bromide (c) Isopropamide (d) Dicyclomine

Description : Which of the following anticholinergic drugs is primarily used in preanaesthetic medication and during surgery (a) Glycopyrrolate (b) Pipenzolate methyl bromide (c) Isopropamide (d) Dicyclomine

Last Answer : Ans: A