Physiology part 2 Flashcards
A divers body looses heat to the surrounding water due to (Mark the correct answers) a. Convection b. Radiation c. Conduction d. Emission
C
- What is the most effecting treatment for carbon monoxide poisoning? a. Hyperbaric oxygen b. A warm drink c. Exercise
A
Which areas of your body are most likely to be affected by blasts and sonar transmissions? a. Internal organs and air b. spaces c. Solid organs d. Joints
A
What is the tidal lung volume of the average male?
a. 1500 ml
b. 6000 ml
c. 500 ml
d. 5000 ml
C
A diver is pulled to surface by a lift bag after a short dive to 12meters, and is having breathing difficulties with a slight pain in his chest and is
having difficulties swallowing. What would you suspect is wrong with him?
a. A serious DCI
b. A Pneumothorax
c. Hypercapnea
d. Chronic oxygen toxicity
B
How would you describe a condition known as the “Chokes”?
a. Any unusual behavior may be a symptom of cerebral DCI
b. Bubble formation in the inner ear, symptoms are loss of balance, nausea and vertigo
c. The diver is unable to breathe properly because large numbers of bubbles have formed
in the pulmonary circulation
d. Numbness or tingling in the extremities, pain around the waist, loss of bladder or bower control, a feeling of weakness in the legs or paralysis
C
What is the cause of Chronic oxygen poisoning?
a. Exposure to a PP02 below 160 mb
b. Exposure to breathing a mix with a PP02 below 600 mb
c. Long exposure of a PP02 above 0.6 bar
d. Short exposure to a PP02 above 1 .6 bar
C
What are the restrictions to long haul flights after doing SURD02 diving?
a. 24 hours
b. 48 hours
c. 8 hours
d. 12 hours
A
- What is the safe operating distance when working in areas that have ultrasonic sonar transmissions?
a. 5 meters
b. 1 meters
c. 10 meter
d. 8 meters
c
Which of the following is a symptom of a serious DCl? More than I correct answer)
a. Slurred speech
b. Pins and needles
c. Loss of feeling
ABC
Which treatment table should be used for a pain only DCl?
a. The diving supervisor is obligated to use treatment table provided by the Company, in
conjunction with radio medical advice received from the company’s designated medical
officer. (USN treatment table 6 is commonly used).
b. USN treatment table 5 is commonly used
c. USN treatment table 6 is commonly used
d. Comex therapeutic table 30 - CX30. 30msw with heliox 50ÿ50
A
A reversed ear on ascent is usually caused by? (more than 1 correct answer)
a. A tight fitting wet suit hood
b. Slow controlled ascents
c. A blocked wax plug in the outer ear
d. A blocked Eustachian tube
AC
Which document would provide us with a list of medical equipment required on a diving site?
a. D015
b. DMAC 22
c. IMCA 015
d. DMAC15
D
What is the term used for gas escaping through the tissue
layers into the space between the lungs or below the skin under the arms or at the base of the neck?
a. Interstitial emphysema or subcutaneous emphysema
b. Serious DCI
c. Arterial gas embolism
d. Skin bend
A
At what body temperature do we consider hypothermia to occur?
a. 36.7 ‘C
b. 37 ‘C
c. 35 ‘C
d. 33 ‘C
C
When should a diver with water jet injuries be sent for medical
care?
a. When infection sets in
b. Immediately after the incident
c. Only if it is bleeding profusely
d. only if there is an identifiable exit wound
B
A diver has just completed an in water deco dive, for how long
should he remain within 20 minutes proximity to the DDC?
a. 48 hours
b. 4 hours
c. 24 hours
d. 12 hours
B
What is the vital lung capacity of the average male?
a. 6000 ml
b. 1500 ml
c. 5000 ml
d. 500 ml
C
Which part of the body is referred to as the superior?
a. Upper part of body
b. Back of body
c. Lower part of body
d. Front of body
A
At what PP02 can we expect Acute oxygen toxicity to set in?
a. 1.6 bar
b. 1 .6 mb
c. 16 bar
d. 0.16 bar
A
At what PP02 is hypoxia considered to occur?
a. 1400 mb
b. 1 .6 bar
c. 210 mb
d. 160 mb
D
A diver is showing residual symptoms after his second table 6 treatment, when can he fly home to see the doctor?
a. Only after consulting with a diving medical specialist
b. only after completing a third treatment
c. There is no restriction if a second treatment is completed
d. After 48 hours
A
Haemoglobin prefers carbon monoxide times more than
it prefers oxygen?
a. 700
b. 2
c. 5
d. 200
D
Which part of the body is referred to as the anterior?
a. Upper part of body
b. Back of body
c. Lower part of body
d. Front of body
D
What is the recommended method to warm a hypothermic
patient?
a. As gradually as possible
b. Submerge patient in ice cold water to allow blood to return to vital organs to be
rewarmed
c. Submerge patient in hot water for a minimum of 60 minutes duration
d. As rapidly as tolerable to allow a quick recovery
A
After a dive the diver is complaining of a roaring in the ears, and is feeling nauseous. You notice as well that he is having trouble keeping
balance. What would you suspect is wrong with him?
a. He is just cold and hungry
b. He is suffering from a serious Pneumothorax
c. He has just got water in his ears form his shower after the dive
d. He has a vestibular (inner ear) DCI, known as “Staggers”
D
At what body temperature do we consider hyperthermia to
occur?
a. 39 ‘c
b. 35 ‘C
c. 37 ‘C
d. 33 ‘C
A
Which of the following sends deoxygenated blood from the
heart to the lungs?
a. Superior vena-cava
b. Pulmonary vein
c. Inferior vena-cava
d. Pulmonary artery
D
What would be your immediate action to someone with a
suspected arterial gas embolism?
a. Keep him warm in the recovery position and monitor for convulsions
b. Place him on light duties and monitor him for other symptoms
c. Immediately recompress
d. Have him choppered off to the nearest medical facility?
C
What causes carbon dioxide to accumulate in the lungs and
raises carbonic acid levels in the blood?
a. Breathing of 100 % oxygen
b. Breathing Nitrox deeper than 20 msw
c. Repeated deep breaths
d. Rapid shallow breathing
D