MCQs

Question 1

A high-volume, low-pressure cuff

Answer 1

May not prevent aspiration 

Question 2

The most common cause of an aesthetic disaster is

Answer 2

Circulatory instability

Question 3

Local anesthetics have their effect at the

Answer 3

Membrane 

Question 4

The administration of atropine may be followed by all of the following, except

Answer 4

Angina pectoris

Question 5

Suxamethonium can cause

Answer 5

Histamine release

Question 6

Myocardial contractility is increased by

Answer 6

Adrenaline

Question 7

Myocardial oxygen consumption is generally tied most closely to

Answer 7

Heart rate 

Question 8

Which of the following effects is not mediated by the alpha1 adrenergic receptor? 

Answer 8

Relaxation of the uterus 

Question 9

Renal clearance of a drug

Answer 9

Varies with pH, urine flow rate, and renal blood flow 

Question 10

Contraindications to NSAIDs include the following, except

Answer 10

Gastroesophageal reflux disease 

Question 11

If 57 year old presents to accident an emergency and a systolic cardiac arrest. Which intervention will most likely result in a good neurologic outcome for this patient

Answer 11

Adrenaline 1 mg IV 

Question 12

A 31 year old, 50 kg male motorcyclist traveling at 100 KM per hour is involved in a motor vehicle accident. He sustains a broken left femur. What maximum volume of blood can be contained in his fractured femur? 

Answer 12

2 L

Question 13

At induction of anesthesia, which agent is least likely to cause hypotension 

Answer 13

Ketamine 

Question 14

A 20 year old patient is intubated, anesthetized and develops a hypertension, tachycardia, and Sweating, when the surgeon makes an incision. What is the least likely cause of the patient’s symptoms

Answer 14

Paralysis

Question 15

An obese 21 year old male presents to the anesthetic clinic for preoperative assessment. Which factor is least likely to predicted difficult intubation.

Answer 15

Diabetes mellitus

Question 16

A three year old, 15 KG child is having local infiltration of an abdominal wound with 2% lidocaine with adrenaline. What is the maximum amount in milliliters that can’t be administered to this child?

Answer 16

4.5 mls 

Question 17

What is the concentration of adrenaline in a 1ml of a 1% lidocaine with 1:200,000 adrenaline? 

Answer 17

5 micrograms

Question 18

Rapid sequence induction will most likely benefit which of the following patient scenarios

Answer 18

An emergency patient

Question 19

Which anesthetic agent is most likely to cause histamine release during anesthesia?

Answer 19

Atracurium

Question 20

Reversible causes of asystolic, cardiac arrest in a 24 year old. Patient include all of the following, except.

Answer 20

Hyperglycemia

Question 21

A needle phobic patient is scheduled for dental extraction under general anesthesia. The patient inquires as to when he should have his last meal. Which of the following is true

Answer 21

He can have a solid meal up to 6 hours before surgery

Question 22

A patient is booked for extensive dental work under general anesthesia. Prior to entering the operating room, he mentions that he had a cup of black tea one hour ago. How best should you proceed?

Answer 22

Advise the patient that he would have to wait until adequately fasted, before surgery can start

Question 23

A diabetic, hypertensive patient presents for preoperative assessment. She is scheduled for elective dental work on the general anesthesia. On review her blood pressure is 180/90 and her random blood sugar is 280 mg/dL. What should be the next step?

Answer 23

Case should be postponed until her hypertension and diabetes are adequately controlled

Question 24

A 50 kg female presents for multiple dental extraction. The maximum safe dose of lidocaine without adrenaline that can be used in this patient is? 

Answer 24

150mg

Question 25

As a sedition technique, the following is true, concerning conscious sedation, except 

Answer 25

Patient should not respond to a painful stimulus

Question 26

A patient is seen in recovery room, post anesthesia, complaining of severe pain. The anesthetist administers a dose of intravenous morphine. All of the following is true of morphine except

Answer 26

Acute use in patients complaining of pain can cause opioid addiction

Question 27

During sedation for removal of an impacted molar, the dentist notices that the patient is snoring loudly, and her oxygen saturation has fallen precipitously to 85%. Concerning pulse oximetry, the following is true, except.

Answer 27

Is not necessary when undertaking conscious sedation 

Question 28

A 32 year old having an emergency laparotomy for acute appendicitis had a post induction blood pressure of 65/35mmHg. The drug which least likely attributed to this blood pressure is:

Answer 28

Ketamine 

Question 29

Rapid sequence induction is a maneuver using anesthesia to minimize a patient’s risk of aspiration. Which intervention is least likely to aid in the successful performance of the technique?

Answer 29

Cis atracurium (suxamethonium and rocuronium

Question 30

What volume of adrenaline diluted in 20 MLS of saline is required to make 1:200000 adrenaline solution

Answer 30

0.1 ul or 0.0001ml

Question 31

A 55 year old patient is undergoing a pelvic surgery for ovarian carcinoma in a deep Trendelenburg position. The capnograph trace suddenly stops. The most likely cause of this is.

Answer 31

Circuit disconnection

Question 32

A 36 year old ASA patient had ambulatory surgery and awaiting discharge home in the recovery room. Which of the following is not a criterion against discharge?

Answer 32

Mild oozing at the surgical wound 

Question 33

A 25 year old Primi gravida had epidural labour analgesia with bupivacaine 

Answer 33

Intralipid should always be present in OT when using bupivacaine

Question 34

A 23 year old patient weighing 50 kg needs inguinal hernia repair the maximum dose of lidocaine with adrenaline 5ug/ml that can be used will be

Answer 34

15 mils of 2% 

Question 35

Regarding oxygen therapy

Answer 35

Increase, in FiO2 may not necessarily guarantee an increase in PaO2

Question 36

Fentanyl citrate

Answer 36

May potentially attenuate the hemodynamic response to intubation

Question 37

Pulse oximetry

Answer 37

Arterial pulsations are mandatory to detect oxygen saturation 

Question 38

Regarding inhalation anesthetic agents

Answer 38

They can potentially cause malignant hypothermia

Question 39

Which of the following is least likely a predictor of potential difficult intubation?

Answer 39

Effort intolerance - NYHA Class III

Question 40

Propofol

Answer 40

Can produce severe pain on injection

Question 41

The following is most true of sevoflurane

Answer 41

Is ideal for daycare surgery 

Question 42

Bupivacaine

Answer 42

Manifestation of toxic effects may be cardiac dysrhythmias

Question 43

The purpose of adrenaline as an adjuvant to lidocaine for local anesthesia is

Answer 43

All of the above (to cause vasoconstriction and reduce bleeding. Reduce the absorption of lidocaine. To prolong the action of lidocaine. To reduce the occurrence of toxicity)

Question 44

Nitrous oxide

Answer 44

Can provide some analgesia

Question 45

Fentanyl citrate

Answer 45

Is more potent than morphine

Question 46

The American society of anesthesiologist ASA physical status

Answer 46

ASA class IV means that the patient has a condition that is a threat to life. 

Question 47

In a preoperative assessment of an adult airway

Answer 47

Inter incisor distance is a useful predictor of difficult airway

Question 48

The following are anticonvulsants, except

Answer 48

Verapamil

Question 49

Premedication is commonly used for the following reasons, except

Answer 49

Antioxidant

Question 50

Fitness for discharge from recovery room following general anesthesia requires the following, except

Answer 50

Completely dry surgical wound