Anaesthesia Questions Flashcards
All of the following are correct with respect to prevention of systemic toxicity of local anaesthetics EXCEPT a. Incremental dosing b. Aspiration prior to injection c. Dosage fragmentation d. Addition of vasoconstrictor e. Prophylactic dantrolene is indicated
e
A 4 year old boy is scheduled for herniotomy as a day case. Pre-operative preparation will include a. Fasting to clear fluids for at least 6 hours b. Intramuscular atropine c. Group & cross-match one unit of blood d. EMLA cream application e. Intramuscular promethazine
d
Which statement is correct concerning the maximum safe dose of the local anaesthetics agent? a. Plain ropivacaine 1mg/kg b. Lidocaine with adrenaline 5mg/kg c. Plain bupivacaine 2mg/kg d. Bupivacaine with adrenaline 3.5mg/kg e. Plain lidocaine 2mg/kg
c
A 32 year old parturient is scheduled for emergency caesarean section on account of severe pre-eclampsia. A subarachnoid block is chosen. Which of the following is true regarding this technique? a. Plain bupivacaine is the drug of choice b. Ephedrine is indicated in the treatment of hypotension c. 5mls of local anaesthetic is sufficient to attain an adequate block d. Hypotension is effectively prevented by crystalloid preload e. A block to T10 is adequate
b
Which of the following airway devices is appropriate for a 4 year old boy scheduled for herniotomy as a day case? a. Endotracheal tube size 3.5mm b. Laryngeal mask airway size 1.5 c. Endotracheal tube size 4.5mm d. Laryngeal mask airway size 2 e. Endotracheal tube size 4.0mm
b
A 4 year old child has just undergone adenotonsillectomy. Post-operatively the child is noticed to be restless and sweating with stridulous breathing. Airway obstruction is suspected. The possible causes of airway obstruction in the patient include all of the following EXCEPT a. Forgotten throat pack b. Airway oedema c. Aspiration of blood clot d. Laryngeal spasm e. Bronchospasm
e
Which of the following statement is INCORRECT regarding atropine? a. It can be used to treat bradycardia at a dose of 0.02mg/kg b. It is an anticholinergic c. It can be used to prevent bradycardia at a dose of 0.01mg/kg d. It should be given with neostigmine when reversing residual muscle relaxant e. It should be given after neostigmine when reversing residual muscle relaxant
e
The estimated blood volume of a 7 day old full term neonate is a. 255 mls b. 215 mls c. 415mls d. 355 mls e. 315 mls
e
A 4 year old boy is scheduled for herniotomy as a day case. His expected weight will be a. 14kg b. 20kg c. 16kg d. 22kg e. 18kg
c
A 24 year old lady fell from a height 3 hours prior to presentation in the accident and emergency department of your hospital, with history of loss of consciousness and fracture to the right femur. On examination, the Glasgow coma scale was 6/15. CT scan revealed subdural haematoma. The immediate management includes all of the following EXCEPT a. Endotracheal intubation b. Mechanical ventilation c. Oxygen therapy d. Nutritional Therapy e. Emergency evacuation of blood clot from the brain
d
Which muscle relaxant is best avoided in this 60yr old known hypertensive and diabetic undergoing exploratory laparotomy? a. Suxamethonium because of hyperkalaemic effects b. Rocuronium because of its sympathetic activity c. Atracurium because it releases histamine d. Vecuronium because it causes hyperglycaemia e. Pancuronium because of sympathetic activity
e
A 26 year old asthmatic man is involved in a fight shortly after a large meal of pounded yam. He sustains a blunt abdominal injury with suspected ruptured spleen. His blood pressure is 90/60mmHg and his pulse rate is 120bpm. He is scheduled for an emergency splenectomy. One precaution that should be taken during induction of general anaesthesia for exploratory laparotomy is a. Administration of fundal pressure b. Administration of midazolam c. Application of cricoid pressure d. Administration of ketamine e. Administration of adequate analgesia
c
Which of the following management strategies is recommended to prevent further toxin release? a. Wound debridement b. Intravenous metronidazole c. Tetanus toxoid d. Skin grafting e. Intravenous midazolam
a
Which statement is INCORRECT regarding preparation for anaesthesia of a 60 year old controlled hypertensive diabetic patient scheduled for exploratory laparotomy for a large ovarian tumour? a. Premedication with Ranitidine may be indicated b. Fasting guidelines should be limited to 4hours to prevent diabetic ketoacidosis c. An anxiolytic premedication is indicated d. An electrocardiogram is mandatory e. Diastolic blood pressure should be less than 110mmHg to minimize cardiovascular complications
b
Which of the following describes the airway anatomy of this neonate? a. The larynx is cylindrical in shape b. The epiglottis is short and stiff c. The narrowest part of the larynx is at the level of the cricoid cartilage d. The larynx is high and anterior situated at C1-C3 e. There is equal bifurcation of the trachea at 40
c
Regarding Mapleson breathing systems, the following are true EXCEPT a. Mapleson E has no reservoir bag b. Mapleson A is identical to Magills’ attachment c. Mapleson A is best for controlled ventilation d. Mapleson F is lightweight and compact e. Mapleson D is the best for controlled ventilation
e
The following are true regarding general anaesthesia for caesarean section EXCEPT a. General anaesthesia is associated with less blood loss than regional anaesthesia b. A rapid sequence induction is always necessary c. There is a risk of maternal awareness during the surgery d. The obstetric patient is a potential difficult airway e. Anaesthetic agents cross the placental barrier
a
A 60 year old controlled hypertensive, diabetic woman is scheduled for exploratory laparotomy on account of a large ovarian tumour. Which of the following is NOT a goal of pre-operative assessment in this patient? a. To ensure fitness for surgery b. To prescribe antibiotics c. To prescribe premedication d. To allay anxiety e. To obtain consent
b
The intravenous induction agent to avoid in a hypertensive diabetic patient is a. Thiopentone because of its anticonvulsant property b. Midazolam because of its cardiovascular depression c. Ketamine because of its sympathomimetic effect d. Etomidate because of its hyperglycaemic properties e. Propofol because of exaggerated hypotension
c
A 26 year old woman in 2nd stage of labour requests an epidural for labour analgesia. Epidural analgesia during labour is contraindicated in parturients with a. Obesity b. Previous myomectomy c. Previous Caesarean section d. Documented Neurological deficits e. Fixed cardiac output state
e
During institution of an epidural for labour analgesia, the patient develops convulsions. Which of the following is INCORRECT? a. You have given a total spinal b. You will give oxygen c. You will give a vasopressor d. You will give sodium thiopentone e. You will finish the injection
e
A 4 year old child is scheduled for adenotonsillectomy. Intra-operative complications which could occur during this surgery include all of the following EXCEPT a. Accidental extubation b. Inaccessibility of patient c. Obstruction of the tracheal tube d. Hyperthermia e. Venous air embolism
e
The correct assessment of a 60 year old controlled hypertensive, diabetic woman scheduled for exploratory laparotomy on account of a large ovarian tumour is: a. ASA I patient for SRC III procedure b. ASA IV patient for SRC IV procedure c. ASA II patient for SRC V procedure d. ASA III patient for SCR I Procedure e. ASA II patient for SRC IV Procedure
e
Which statement is true regarding oxygen delivery devices? a. A face mask with reservoir bag can deliver up to 100% oxygen if the flow rate is 6L/min b. A flow rate of 6L/min is appropriate for nasal prongs c. At 6L/min a simple face mask will deliver up to 50% oxygen d. The FiO2 of a Venturi mask depends on the flow rate and size of orifice e. The efficiency of the simple face mask is independent of the patient effort
d
The most appropriate airway device for a 7 day old baby is a. Laryngeal mask airway size 2 b. Endotracheal tube size 3.5mm c. Endotracheal tube size 4.0mm d. Laryngeal mask airway size 1.5 e. Endotracheal tube size 4.5mm
d
Standard monitoring which should be in place during anaesthesia in any patient scheduled for major surgery include all of the following EXCEPT: a. Oxygen saturation at least every 5 minutes b. Continuous capnography c. Blood pressure monitoring at least every 5 minutes d. Urine output every hour e. Continuous presence of the Anaesthetist.
a
An inhalational induction with halothane is planned for a 7-day-old full-term neonate scheduled for surgery. All are true concerning Halothane EXCEPT: a. It increases cerebral blood flow and intracranial pressure b. It has no effect on the bronchioles c. It has a pleasant effect d. It has a MAC of 0.75 indicating potency e. It sensitises the heart to catecholamines in the presence of hypoxia and hypercapnia.
d
