n which of the following techniques the concentration of the local anaesthetic used is the lowest: A. Infiltration anaesthesia B. Nerve block anaesthesia C. Spinal anaesthesia D. Epidural anaesthesia

n which of the following techniques the concentration
of the local anaesthetic used is the lowest:
A. Infiltration anaesthesia
B. Nerve block anaesthesia
C. Spinal anaesthesia
D. Epidural anaesthesia
by

1 Answer

Answer :

A. Infiltration anaesthesia
by

Related questions

Epidural anaesthesia differs from spinal anaesthesia in that: A. Epidural anaesthesia produces less cardiovascular complications B. Headache is more common after epidural anaesthesia C. Blood concentrations of the local anaesthetic are lower after epidural anaesthesia D. Greater separation between sensory and motor blockade can be obtained with epidural anaesthes

Description : Epidural anaesthesia differs from spinal anaesthesia in that: A. Epidural anaesthesia produces less cardiovascular complications B. Headache is more common after epidural anaesthesia C. Blood ... . Greater separation between sensory and motor blockade can be obtained with epidural anaesthes

Last Answer : D. Greater separation between sensory and motor blockade can be obtained with epidural anaesthesia

Injection of adrenaline along with a local anaesthetic serves the following purpose: A. Lowers the concentration of the local anaesthetic to produce nerve block B. Prolongs the duration of local anaesthesia C. Increases the anaesthetised area D. Reduces the local toxicity of the local anaesthetic

Description : Injection of adrenaline along with a local anaesthetic serves the following purpose: A. Lowers the concentration of the local anaesthetic to produce nerve block B. Prolongs the duration of local anaesthesia C. Increases the anaesthetised area D. Reduces the local toxicity of the local anaesthetic

Last Answer : B. Prolongs the duration of local anaesthesia

The duration of spinal anaesthesia depends on each of the following except: A. Which local anaesthetic is used B. Concentration of the local anaesthetic used C. Posture of the patient D. Whether adrenaline has been added to the local anaesthetic

Description : The duration of spinal anaesthesia depends on each of the following except: A. Which local anaesthetic is used B. Concentration of the local anaesthetic used C. Posture of the patient D. Whether adrenaline has been added to the local anaesthetic

Last Answer : C. Posture of the patient

Adrenaline added to local anaesthetic solution for infiltration anaesthesia affords the following except: A. Prolongs the duration of local anaesthesia B. Makes the injection less painful C. Provides a more bloodless field for surgery D. Reduces systemic toxicity of the local anaesthetic

Description : Adrenaline added to local anaesthetic solution for infiltration anaesthesia affords the following except: A. Prolongs the duration of local anaesthesia B. Makes the injection less painful C. Provides a more bloodless field for surgery D. Reduces systemic toxicity of the local anaesthetic

Last Answer : B. Makes the injection less painful

The segmental level of spinal anaesthesia depends on: A. Volume of the local anaesthetic injected B. Specific gravity of the local anaesthetic solution C. Posture of the patient D. All of the above factors

Description : The segmental level of spinal anaesthesia depends on: A. Volume of the local anaesthetic injected B. Specific gravity of the local anaesthetic solution C. Posture of the patient D. All of the above factors

Last Answer : D. All of the above factors

Low concentration of bupivacaine is preferred for spinal / epidural obstetric analgesia because: A. It has a longer duration of action B. It can produce sensory blockade without paralysing abdominal muscles C. It distributes more in maternal tissues so that less reaches the foetus D. All of the above are correct

Description : Low concentration of bupivacaine is preferred for spinal / epidural obstetric analgesia because: A. It has a longer duration of action B. It can produce sensory blockade without paralysing abdominal muscles C. ... in maternal tissues so that less reaches the foetus D. All of the above are correct

Last Answer : D. All of the above are correct

Choose the local anaesthetic that is specifically used to produce corneal anaesthesia for tonometry: A. Tetracaine B. Oxethazaine C. Ropivacaine D. Benoxinate

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Last Answer : D. Benoxinate

In spinal anaesthesia the segmental level of: A. Sympathetic block is lower than the sensory block B. Sympathetic block is higher than the sensory block C. Motor block is higher than the sensory block D. Sympathetic, motor and sensory block has the same level

Description : In spinal anaesthesia the segmental level of: A. Sympathetic block is lower than the sensory block B. Sympathetic block is higher than the sensory block C. Motor block is higher than the sensory block D. Sympathetic, motor and sensory block has the same level

Last Answer : B. Sympathetic block is higher than the sensory block

Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia intensifies block produced by them C. Tetanic nerve stimulation during partial depolarizing block produces well sustained contraction D. Neostigmine does not reverse block produced by them

Description : Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia ... produces well sustained contraction D. Neostigmine does not reverse block produced by them

Last Answer : B. Ether anaesthesia intensifies block produced by them

s a general anaesthetic, halothane has the following advantages except: A. Very good analgesic action B. Noninflammable and nonexplosive C. Reasonably rapid induction of anaesthesia D. Pleasant and nonirritating

Description : s a general anaesthetic, halothane has the following advantages except: A. Very good analgesic action B. Noninflammable and nonexplosive C. Reasonably rapid induction of anaesthesia D. Pleasant and nonirritating

Last Answer : A. Very good analgesic action

Ether is still used as a general anaesthetic in India, specially in peripheral hospitals because: A. It is nonexplosive B. It is pleasant smelling and nonirritating C. It induces anaesthesia rapidly D. It is cheap and can be administered without anaesthetic machine

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Last Answer : A. It is nonexplosive

In a lower segment caesarean section, which of the following techniques of anesthesia is desirable A. Spinal anesthesia B. Caudal anesthesia C. Combined Spinal Epidural D. General anesthesia

Description : In a lower segment caesarean section, which of the following techniques of anesthesia is desirable A. Spinal anesthesia B. Caudal anesthesia C. Combined Spinal Epidural D. General anesthesia

Last Answer : Ans: C

Spinal anaesthesia is not suitable for: A. Vaginal delivery B. Lower segment caesarian section C. Prostatectomy D. Operations on mentally ill patients

Description : Spinal anaesthesia is not suitable for: A. Vaginal delivery B. Lower segment caesarian section C. Prostatectomy D. Operations on mentally ill patients

Last Answer : D. Operations on mentally ill patient

The following factor is not involved in the causation of hypotension due to spinal anaesthesia: A. Histamine release B. Reduced sympathetic vasoconstrictor tone C. Decreased venous return from the lower limbs D. Bradycardia

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Last Answer : A. Histamine release

Pain from local anaesthesia injection can be reduced by: a. warming the local anaesthetic b. quick injection c. using a needle with a small bore d. adding sodium bicarbonate in the local anaesthetic

Description : Pain from local anaesthesia injection can be reduced by: a. warming the local anaesthetic b. quick injection c. using a needle with a small bore d. adding sodium bicarbonate in the local anaesthetic

Last Answer : adding sodium bicarbonate in the local anaesthetic

Adrenaline injected with a local anaesthetic: A. Reduces local toxicity of the local anaesthetic B. Reduces systemic toxicity of the local anaesthetic C. Shortens duration of local anaesthesia D. Makes the injection less painful

Description : Adrenaline injected with a local anaesthetic: A. Reduces local toxicity of the local anaesthetic B. Reduces systemic toxicity of the local anaesthetic C. Shortens duration of local anaesthesia D. Makes the injection less painful

Last Answer : B. Reduces systemic toxicity of the local anaesthetic

Local anaesthetics block nerve conduction by: A. Blocking all cation channels in the neuronal membrane B. Hyperpolarizing the neuronal membrane C. Interfering with depolarization of the neuronal membrane D. Both ‘B’ and ‘C’ are correct

Description : Local anaesthetics block nerve conduction by: A. Blocking all cation channels in the neuronal membrane B. Hyperpolarizing the neuronal membrane C. Interfering with depolarization of the neuronal membrane D. Both ‘B’ and ‘C’ are correct

Last Answer : C. Interfering with depolarization of the neuronal membrane

The following local anaesthetic is poorly water soluble, PABA derivative and primarily used for anorectal lesions, wounds and ulcers: A. Benzocaine B. Dibucaine C. Procaine D. Benoxinate

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Last Answer : A. Benzocaine

Which of the following statements is true for lignocaine: A. It is an ester-linked local anaesthetic B. It is not likely to exhibit cross-sensitivity with procaine C. It has a shorter duration of action than procaine D. It is not a surface anaesthetic

Description : Which of the following statements is true for lignocaine: A. It is an ester-linked local anaesthetic B. It is not likely to exhibit cross-sensitivity with procaine C. It has a shorter duration of action than procaine D. It is not a surface anaesthetic

Last Answer : B. It is not likely to exhibit cross-sensitivity with procaine

The local anaesthetic having high cardiotoxic and arrhythmogenic potential is: A. Lignocaine B. Procaine C. Bupivacaine D. Ropivacaine

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The following local anaesthetic raises BP instead of tending to cause a fall: A. Cocaine B. Dibucaine C. Lignocaine D. Procaine

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Which sensation is blocked first by low concentrations of a local anaesthetic: A. Pain B. Temperature C. Touch D. Deep pressure

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The following is not true of local anaesthetics: A. The local anaesthetic is required in the unionized form for penetrating the neuronal membrane B. The local anaesthetic approaches its receptor only from the intraneuronal face of the Na+ channel C. The local anaesthetic binds to its receptor mainly when the Na+ channel is in the resting state D. The local anaesthetic combines with its receptor in the ionized cationic form

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Last Answer : C. The local anaesthetic binds to its receptor mainly when the Na+ channel is in the resting state

The local anaesthetics having amide linkage differ from those having ester linkage in that the amidelinked local anaesthetics: A. Are not surface anaesthetics B. Have a shorter duration of action C. Are degraded in the plasma D. Do not show cross-sensitivity with esterlinked local anaesthetic

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'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues

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Last Answer : B. Has low blood solubility and is used in high concentration

he minimal alveolar concentration of an inhalational anaesthetic is a measure of its: A. Potency B. Therapeutic index C. Diffusibility D. Oil: water partition coefficient

Description : he minimal alveolar concentration of an inhalational anaesthetic is a measure of its: A. Potency B. Therapeutic index C. Diffusibility D. Oil: water partition coefficient

Last Answer : A. Potency

Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

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Last Answer : D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

The site of action of d-tubocurarine is: A. Spinal internuncial neurone B. Motor nerve ending C. Muscle end-plate D. Sodium channels in the muscle fibre

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Did you know the cortisone used in the spinal epidural is not approved by the FDA for disc problems? Has it helped your back pain?

Description : Did you know the cortisone used in the spinal epidural is not approved by the FDA for disc problems? Has it helped your back pain?

Last Answer : answer:I know two people who have had this sort of thing done. One had significant relief, the other had a very negative experience. Drugs are administered every day off label, which basically means not ... I have no opinion about whether she should try it, only information about drugs and the FDA.

Spinal and epidural anesthesia?

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

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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

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Adrenergic neurone blocking drugs: A. Block the action of adrenaline on neuronal α2 adrenoceptors B. Block both α and β adrenoceptor mediated effects of injected adrenaline C. Do not block any effect of injected adrenaline D. Do not block the effects of sympathetic nerve

Description : Adrenergic neurone blocking drugs: A. Block the action of adrenaline on neuronal α2 adrenoceptors B. Block both α and β adrenoceptor mediated effects of injected adrenaline C. Do not block any effect of injected adrenaline D. Do not block the effects of sympathetic nerve

Last Answer : C. Do not block any effect of injected adrenaline

Adrenergic neurone blocking drugs: A. Block the action of adrenaline on neuronal α2 adrenoceptors B. Block both α and β adrenoceptor mediated effects of injected adrenaline C. Do not block any effect of injected adrenaline D. Do not block the effects of sympathetic nerve stimulation

Description : Adrenergic neurone blocking drugs: A. Block the action of adrenaline on neuronal α2 adrenoceptors B. Block both α and β adrenoceptor mediated effects of injected adrenaline C. Do not block any effect of injected adrenaline D. Do not block the effects of sympathetic nerve stimulation

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A patient returning from dinner party meets with road accident and has to be urgently operated upon under general anaesthesia. Which drug can be injected intramuscularly to hasten his gastric emptying: A. Methylpolysiloxane B. Promethazine C. Metoclopramide D. Apomorphine

Description : A patient returning from dinner party meets with road accident and has to be urgently operated upon under general anaesthesia. Which drug can be injected intramuscularly to hasten his gastric emptying: A. Methylpolysiloxane B. Promethazine C. Metoclopramide D. Apomorphine

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Use of glycopyrrolate in preanaesthetic medication serves the following purposes except: A. Prevents respiratory secretions during anaesthesia B. Guards against reflex vagal bradycardia during surgery C. Produces amnesia for perioperative events D. Reduces the probability of occurrence of laryngospasm

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nduction of anaesthesia with propofol is often attended by: A. Transient apnoea B. Sharp short lasting fall in blood pressure C. Pain in the injected vein D. All of the above

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Description : The drug/drugs used mainly for induction of general anaesthesia is/are: A. Thiopentone sodium B. Fentanyl + droperidol C. Ketamine D. All of the above

Last Answer : A. Thiopentone sodium

The following is true of sevoflurane except: A. It induces anaesthesia rapidly B. It is nonpungent C. It produces prolonged postanaesthetic psychomotor impairment D. It is less potent than halothane

Description : The following is true of sevoflurane except: A. It induces anaesthesia rapidly B. It is nonpungent C. It produces prolonged postanaesthetic psychomotor impairment D. It is less potent than halothane

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Which of the following is a sign of deep anaesthesia: A. Appearance of tears in eyes B. Resistance to passive inflation of lungs C. Fall in blood pressure D. Patient makes swallowing movements

Description : Which of the following is a sign of deep anaesthesia: A. Appearance of tears in eyes B. Resistance to passive inflation of lungs C. Fall in blood pressure D. Patient makes swallowing movements

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No surgical operation should be performed during the following stage of anaesthesia: A. Stage I B. Stage II C. Stage III, plane 1 D. Stage III, plane 3

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Intravenous regional anaesthesia is suitable for: A. Orthopedic manipulations on the upper limb B. Vascular surgery on the lower limb C. Head and neck surgery D. Caesarian section

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Surface anaesthesia is used for the following except: A. Ocular tonometry B. Urethral dilatation C. Tooth extraction D. Anal fissure

Description : Surface anaesthesia is used for the following except: A. Ocular tonometry B. Urethral dilatation C. Tooth extraction D. Anal fissure

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Last Answer : A. Balanced anaesthesia

5 A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

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Last Answer : D. Redistribution

Anaesthesia 1 mm above last lower molars will anesthetise: A. Lingual Nerve B. Long buccal nerve

Description : Anaesthesia 1 mm above last lower molars will anesthetise: A. Lingual Nerve B. Long buccal nerve

Last Answer : B. Long buccal nerve

Select the anaesthetic that increases cardiac output and blood pressure: A. Halothane B. Fentanyl C. Ketamine D. Diazepam

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Last Answer : C. Ketamine

The anaesthetic action of thiopentone sodium is characterised by: A. Good muscle relaxation B. Poor analgesia C. Sensitization of heart to adrenaline D. No postoperative residual CNS depression

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Residual CNS depression is least marked after the use of the following anaesthetic: A. Diazepam B. Thiopentone sodium C. Lorazepam D. Propofo

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Select the general anaesthetic that is particularly suitable for outpatient surgery because of quick recovery and short-lived post-anaesthetic psychomotor impairment: A. Ether B. Halothane C. Enflurane D. Desflurane

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