Quiz: 13-Pharmacology

Which of the following muscle relaxants causes maximal pain on injection ;

A a) Succinyl choline B b) Vecuronium C c) Rocuroinum D d) Cistracurium

2- Which of the following anesthЕТic agents is contraindicated in hypertension?

A a) Ketamine B b) Propofol C c) Etomidate D d) Diazepam

Which of the following statements about propofol is not true?

A a) It is contraindicated in porphyria B b) Its does not trigger malignant hyperthermia C c) Commercial preparations contain egg D d) It is a suitable agent for day care surgery

Which of the following statements about inhalation anesthЕТic agents wrong?

A a) Sevoflurane is more potent than isoflurane B b) Sevoflurane is less cardio depressant than isoflurane. C c) Desflurane has lower blood- gas partition coefficient than sevoflurane D d) Sevoflurane has a higher MAC than isoflurane.

which one of the following is not an amide linked local anaesthetic:

A a) lignocaine B b) procaine C c) bupivacaine D d) dibucaine

True about ketamine-

A a) Bronchodilator B b) Depressed airway reflexes C c) Causes hypotension D d) Decreases ICT

Addition of epinephrine to lignocaine-

A a) Increases distribution of LA B b) Decreases absorption of LA C c) Decreases duration of LA D d) Increases metabolism of LA

Agent with shortest acting period

A a) Procaine B b) Lignocaine C c) Bupivacaine D d) Dibucaine

Agent causing malignant hyperthermia-

A a) Succinyl choline B b) Dantrolene C c) Gallamine D d) Ketamine

Which of the following drugs is contraindicated in a patient with raised IC pressure?

A a) Thiopentone B b) Propofol C c) Midazolam D d) Ketamine

Local anaesthesia acts by-

A a) Na channel inhibition B b) Ca channel inhibition C c) Mg+ channel inhibition D d) K+ channel inhibition

Which of the following drugs produces dissociative anesthesia-

A a) ketamin B b) Propofol C c) Thiopentone D d) Enflurane

MAC stands for-

A a) Minimum alveolar concentration B b) Minimal analgesic concentration C c) Minimal anaesthetic concentration D d) Maximum alveolar concentration

All are true about halothane except-

A a) Tachycardia B b) hepatitis C c) Bronchodilatation D d) Uterine relaxation.

Bupivacaine toxicity causes-

A a) Renal toxicity B b) Pulmonary toxicity C c) Cardiotoxicity. D d) None

MAC of desflurane is-

A a) 1.15 B b) 2 C c) 4 D d) 6

hallucination is seen with?

A a) Propofol B b) Sevoflurane C c) Ketamine D d) Isoflurane

Most cardio toxic local anaesthetic is?

A a) Lignocaine B b) Bupivacaine C c) Prilocaine D d) Procaine

Tachyphylaxis to local anesthЕТics is most closely related to which of the following?

A a) Speed of injection B b) Dosing interval C c) Temperature of local anesthetic D d) Volume of local anesthЕТic

The inhalation anesthЕТic with the fastest onset of action is:

A a) Enfturane B b) Isofturane C c) Nitric oxide D d) Nitrous oxide.

- Use of this agent is associated with a high incidence of disorientation, sensory and perceptual illusions, and vivid dreams during recovery from anesthesia

A a) Diazepam B b) Fentanyl C c) Ketamine D d) Midazolam.

Properties of all potent volatile anesthЕТics include:

A a) Increase in tidal volume B b) Prolongation of neuromuscular blocking agents. C c) Suitable for inhalational induction D d) Increase in systemic vascular resistance

Which of the following statements about propofol is INCORRECT?

A a) Propofol affects the baroreceptor reflex set point. B b) Propofol decreases cerebral metabolic rate of oxygen ( CMRO 2). C c) Propofol sensitizes the heart to catecholamines. D d) Propofol accumulates in adipose tissue during continuous infusion.

Select the correct statement about benzodiazepines.

A a) Benzodiazepines reduce the ventilatory response to carbon dioxide. B b) Benzodiazepines selectively block the GABA A receptor C c) Benzodiazepines inhibit opioid analgesic effects. D d) Benzodiazepines induce sleep

The primary toxic effect of bupivacaine on the cardiovascular system is:

A a) Blockade of norepinephrine release. B b) Coronary vasoconstriction C c) Delay of ventricular repolarization D d) Increased atrial excitability.

hypotension is LEAST likely to occur following induction with which of the following?

A a) etomidate B b) Methohexital C c) Midazolam D d) Propofol

27 Local anesthЕТics primarily act by blocking which type of channels?

A a) sodium B b) Calcium C c) Potassium D d) Chloride

Which of the following is a volatile inhalation anesthЕТic?

A a) Propofol B b) Remifentanil C c) Desflurane D d) Rocuronium

In anesthesia, what does MAC stand for?

A a) Maximum AnesthЕТic Concentration B b) Minimum Alycolar Concentration C c) Mean Arterial Concentration D d) Median Airway Clearance

Which of the following is a long- acting opioid analgesic commonly used in anesthesia?

A a) Morphine B b) Fentanyl C c) Remifentanil D d) hydromorphone

What is the main advantage of using a laryngeal mask airway ( LMA) over endotracheal intubation?

A a) Reduced risk of aspiration B b) Better airway protection C c) Improved oxygenation D d) Lower incidence of laryngospasm

Which of the following are contraindications for halothane use:

A a) Male sex B b) Middle age C c) Associated liver pathology D d) Obesity

Least cardiotoxic anesthЕТic agent:

A a) Enflurane B b) Isoflurane C c) Sevoflurane D d) halothane, trilene, ketamine

Inhalational agent of choice in children.

A a) Sevoflurane B b) Isofurane C c) Desflurane D d) halothane

All are true about thiopentone, except:

A a) NahCO, is a preservative B b) Contraindicated in porphyria C c) Agent of choice in shock D d) has cerebroprotective action

Increased in ICT is due to:

A a) Ketamine B b) Bupivacaine C c) Procaine D d) Prolicaine.

Bupivacaine toxicity is treated with:

A a) Esmal B b) Epinephrine C c) Lidocaine D d) 5 percent dextrose

Shortest acting muscle relaxant is:

A a) Succinylcholine B b) Vecuronium C c) Pancuronium D d) Atracurium

The muscle relaxant that has fastest onset of action is

A a) Atracurium B b) Pancuronium C c) Vecuronium D d) Succinylcholine

Morphine is used as an:

A a) Analgesic agent B b) Anticonvulsant agent C c) Antispasmodic agent D d) None of the above

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