DMT Final Exam (NIGERIA) 03-02-2023 Quiz

Please sign up for the course before taking this quiz.

Symptoms of CNS oxygen toxicity include;1
GAS TOXICITY
- The casualty appear intoxicated
- A persistent cough with sub-sternal burning
- Diarrhoea and vomiting
- Tinnitus, tunnel vision, nausea and convulsions.
A strong smell of rotten eggs that disappears quickly whilst well head diving is of no concern.1
GAS TOXICITY
- These are all potential CO poisoning symptoms.
- These are all potential CO₂ poisoning symptoms.
- These are all potential stroke symptoms.
- These are all potential H₂S symptoms.
Finger tingling may be symptoms of hyperventilation1
DMT Immediate Care
- This is potentially CO₂ toxicity
- This is potentially H₂S toxicity
- This is more likely to be DCI
- Low CO₂ & Calcium levels can cause these symptoms.
What is the correct Ratio for CPR.1
Intermediate Life Support
- 30 compressions to 5 breaths is the correct Ratio for CPR.
- 30 compressions to 2 breaths is the correct Ratio for CPR.
- 15 compressions to 1 breath is the correct Ratio for CPR.
- Hands only CPR is now preferred
How long is it safe to administer oxygen for ?1
Oxygen Therapy
- 0.6 bar for greater than 24hrs will exceed UPTD limits.
- It is safe to give 100% O₂ for 36 hrs if the patient is at the surface.
- 0.4 bar for greater than 18 hrs will exceed UPTD limits.
- It is safe to give 100% O₂ for 24 hrs if the patient is at the surface.
When should a B.M.V. (Bag & Mask Valve) be used ?1
Oxygen Therapy
- Should only be used when the casualty is NOT breathing
- A B.M.V. (Bag & Mask Valve) is inappropriate if a casualty has 18 breaths per minute.
- A B.M.V. (Bag & Mask Valve) is appropriate if a casualty has 40 breaths per minute.
- A B.M.V. (Bag & Mask Valve) is appropriate if a casualty has 6 breaths per minute.
Is it safe to use the iGEL airway in a Hyperbaric environment.1
AIRWAY CARE
- With caution. The iGEL is subject to the effects of Dalton's law.
- Yes. However, silicone based lubricant must be used.
- No. The LMA (Laryngeal Mask Airway) is preferred.
- Yes. Its the preferred Supraglotal Airway.
The iGEL is a popular choice in pre-hospital emergency care. Which of these statement is correct:1
AIRWAY CARE
- Caution is needed. The casualty can still aspirate gastric content even when the iGEL is correctly placed.
- The iGEL can be maintained for ≥ 48 hours
- The iGEL can be placed without the need for sedation or anaesthesia.
- The iGEL is the airway of choice if the casualty has inhaled hot gasses
Why is Pre-oxygenation used prior to intubation ?1
AIRWAY CARE
- The patient is profoundly hypoxic during the intubation process. Pre-oxygenation increases metabolic oxygen reserves.
- To relax the larynx
- To give the AIRWAY Team Member time to prepare
- It has a sedation effect
Is sedation always necessary when intubating a casualty ?1
AIRWAY CARE
- Practically never
- Most casualty’s do not need to be sedated prior to intubation.
- Yes
- The only casualty you can intubate without drugs is the dead casualty (GCS 3)
What is the correct procedure for administering an Intra-Muscular Injection ?1
INJECTIONS
- Sterilise, Select correct area, apply traction to achieve x track, Insert needle (25g), aspirate (abandon if flashback), Inject & release traction, Remove, dispose in sharps bin.
- Sterilise, Select correct area, Insert needle (21g), aspirate, Inject & release traction, Remove, dispose in sharps bin.
- Sterilise, Select correct area, apply traction to achieve Z track, Insert needle (23g / 21g), aspirate (abandon if flashback), Inject & release traction, Remove, dispose in sharps bin.
- Sterilise, Select correct area, apply traction to achieve Z track, Insert needle (21g), Inject & release traction, Remove.
The management of a compressible bleed is:1
HAEMORRHAGE CONTROL
- Raise limb, apply direct pressure with a dressing or gauze, for a maximum of 3 minutes, bandage when bleeding has stopped.
- Raise limb, apply direct pressure with a dressing or gauze. If bleeding has not stopped after 1 minute apply an arterial tourniquet
- Raise limb, apply direct pressure (at least 150mmHg) with a dressing or gauze, for a minimum of 3 minutes, bandage when bleeding has stopped.
- Raise limb, apply indirect pressure. Place a field dressing on, bandage. If bleed through, apply another bandage onto of primary dressing.
What is the appearance of an arterial bleed ?1
HAEMORRHAGE CONTROL
- Dark red and gushes
- Red and slight
- Dark red and oozes
- Bright red & spurts in time with the heart rate.
The casualty has a catastrophic large limb haemorrhage1
HAEMORRHAGE CONTROL
- Rapidly apply a CAT Tourniquet & seek medical help
- Only trained medical staff (Doctors / nurses / paramedics) are allowed to use a C.A.T. tourniquet.
- Apply a CAT Tourniquet. Release pressure every 20 minutes.
- Elevate. Apply a pressure bandage for a minimum of 3 minutes apply tourniquet if the patient still has blood
What is most likely to kill a casualty ?1
ATLS
- A respiratory rate of 8 BPM
- A GCS < 4
- A heart rate of 180 BPM
- A systolic B/P of 80mmHg
What cannula choice is most appropriate in an emergency1
VASCULAR ACCESS
- Two 20g (pink) cannulas are the first choice in resuscitation.
- A 18g (Green) cannula is the first choice in resuscitation.
- Two 16g (Grey) cannulas are the first choice in resuscitation.
- A 22g (blue) cannula is the first choice in resuscitation.
Who can the Fast1 I.O. Device be used on ?1
VASCULAR ACCESS
- The Fast1 may be used on a small adult who weighs 41kg.
- The Fast1 may be used on a casualty who has a fractured sternum.
- The Fast1 may be used on a casualty who has a cervical spinal collar.
- The Fast1 may be used on a casualty who has had a heart attack.
Neurogenic shock may be caused by:1
ATLS
- A traumatic liver laceration
- A viral infection
- A myocardial infarction
- A spinal bend
Category 3 shock will present when the casualty has lost how much blood?1
ATLS
- 1200ml
- 250ml
- 1500ml
- 2000ml
An Otoscope is a useful instrument for DMTs to view ?1
- The Ear
- The Nostrils
- The Eye
- The Throat
What thing might NOT cause hypovolaemic shock1
ATLS
- Severe bleeding
- Heat exhaustion
- Spinal Bend
- Severe burns
If you can only view 50% of the Tympanic Membrane, it is a state of an abnormality called1
- Foreign body in the ear
- Excessive Cerumen
- Otitis External
- Extotoses
Trauma is best managed by a team approach. Which of the followings is not part of the Team members1
- Circulation
- Chamber Operator
- Airway
- Runner
Trauma is best managed by a team approach. Which of the followings is not part of the Team members1
- Runner
- Circulation
- Airway
- Chamber Operator
In a Mass Casualty Motor Vehicular Accident Scene, The unconscious patients should be tagged1
- Yellow (T2)
- Black (DEAD)
- Green (T3)
- Red (T1)
In Mass Casualty Triage, anyone with a carotid pulse but without a peripheral pulse should be labeled1
- Black (DEAD)
- Yellow (T2)
- Green (T3)
- Red (T1)
The most common cause of upper airway obstruction for an unconscious patient is1
- The Teeth
- A Foreign body
- The Tongue
- The Nose
The most common type of DCI is:1
DIVING MEDICINE
- Musculo-skeletal
- Pulmonary
- Neurological
- Spinal
As a DMT, you’re Catheterizing an adult male with a Foley’s Catheter, you should inflate the balloon with the recommended dose of 10 – 30 mls of1
- Air
- The Patients own Urine
- Sea Water
- Sterile Water
What percentage of DCI symptoms present within 3 hours?1
DIVING MEDICINE
- 60%
- 19%
- 4%
- 86%
What should you do if you need to use an AED on a Diver who had been submerged on Sea water?1
- Pull the Diver out of the water, but do not use the AED
- Pull the Diver out of the water, and wipe the chest.
- Do not move the Diver, and do not use the AED
- Do not pull the Diver out of the water, but wipe the chest.
You are a standby diver helping in Sat Control on a DSV. You suspect a diver decompressing in the chamber from a bounce dive has a pneumothorax, would you ?1
DIVING MEDICINE
- Recompress to 50m and call the medic
- Stop decompression immediately, alert DMT & lock in DMAC 15 Kit
- Switch to saturation decompression
- Give him a higher ppO₂ on BIBS
A pneumothorax is caused by :1
DIVING MEDICINE
- Air escaping from the lungs into the surrounding tissue
- Escape of air from lungs into the bloodstream
- Air escaping through the lung surface and collecting in the pleural cavity
- Escape of air from lungs into the right atrium.
The Pulse Oximeter is a very useful tool to the DMT, It measures1
- The percentage of oxygen in the lungs
- Blood Saturation level in the oxygen
- Oxygen Saturation level in the blood
- Oxygen Saturation levels in the atmospheric space of the patient
I-Gel is an Airway adjunct with a low failure rate. Its1
- A Low Airway adjunct
- An Advanced Airway adjunct
- A No Airway adjunct
- An Intermediate Airway adjunct
Where would you place a needle to treat a tension pneumothorax?1
DIVING MEDICINE
- 18g cannula. 3rd Intercostal Space / Mid Clavicular line
- 22g cannula. 2nd Intercostal Space / Clavicular line
- 16g cannula. 5th Intercostal Space / Mid Axillary line
- 14g cannula. 2nd Intercostal Space / Mid Clavicular line
In a resuscitation Team, who is responsible for the initial attempt of an E.T. intubation.1
- Team Leader
- Airway
- Airway Assistant
- Circulation
The Laryngoscope is an instrument used to ease the insertion of which advanced airway adjunct?1
- E.T. Tube
- LMA
- I.O needle
- I-Gel
What is barotrauma?1
DIVING MEDICINE
- Pneumothorax
- Pressure related injury
- Emphysema
- Decompression sickness
The site of intra muscular injection on the gluteal muscle is the1
- Left Upper quadrant
- Right upper quadrant
- Upper outer quadrant
- Upper inner quadrant
When inserting a naso-gastric tube, you should lubricate the distal end of the NG tube with a lubricant that is1
- Water base
- Antiseptic base
- Oil base
- Paraffin base
If the Mechanism of injury (MOI) and initial survey indicates an unstable pelvis, it’s proper to place a sheet or blanket horizontally on the lower half of the backboard prior to moving the patient. What is the relevance of this to the management of the patient?1
- To clean up blood if any
- To bind and stabilize the stretcher to the patient
- To give warmth to the patient
- For Pelvic binding and stabilization
Even though Heart attack can lead to Cardiac arrest, both don’t mean the same thing, because1
- Heart Attack is gunshot to the Heart and Cardiac arrest is not
- Both have the same origin
- Heart Attack is a blockade and or eventual cessation of blood flow to certain heart muscle tissues, while Cardiac Arrest is the malfunction of the Cardiac electrical conduction system resulting in cessation of blood flow to all organs and tissues in the body
- Cardiac Arrest is the trapping of the Cardiac Circle
You are treating this diver who has a weeping wound under his arm pit. He deteriorates. Refer to the Obs Chart. What is happening?1
CONTINUING CARE
- He is clinically dehydrated.
- He is having a stroke.
- He has Septic Shock.
- He has Cardio-Genic Shock
Complications of a rapid I.V. fluid resuscitation include:1
ATLS
- Pulmonary odeama, haemo-dilution & increased bleeding risk.
- It's relatively safe. The fluid will be absorbed rapidly.
- Embolic stroke
- Sudden cardiac arrest
Medical Emergencies can happen to anyone, anytime in the following places except1
- In the Hyperbaric Chamber
- Under Sea-water diving environment
- None of the answers
- Under fresh-water diving environment
What Vital Sign will alert you first in a casualty suffering from shock ?1
ATLS
- A drop in Respiratory Rate
- A Capillary Refill Time ≥5 seconds
- A drop in Blood Pressure
- A drop in Urine output.
What are the signs of a tension pneumothorax ?1
TENSION PNEUMOTHORAX
- Sudden Breathlessness
- Hyper-resonance on affected side, distended neck veins, shifting trachea & Signs of cardiovascular compromise.
- Pulmonary oedema & collapse shortly after a dive.
- Absence of breath sounds in affected lung
An air diver has rapidly ascended to the surface from 28m following a lift bag incident. He collapses shortly after exiting water. He has a seizure flops around on ground. What is he probably suffering from ?1
ATLS
- C.A.G.E.
- Tension Pneumothorax
- P.A.G.E.
- Cerebral Oxygen Toxicity
What is the purpose of a venous tourniquet when cannulating or taking blood?1
VASCULAR ACCESS
- To minimise bleeding during vascular access process.
- To reduce microbial infection rate.
- The stop venous return. Engorge veins to aid vascular access.
- To stop arterial & venous supply to aid vascular access process.

Back to My Account