Circulation system - Kafli 2 Flashcards
How is the rate and depth of breathing controlled?
a. By the amount of oxyhaemoglobin in the blood and lungs
b. By the amount of haemoglobin in the blood and the lungs
c. By the amount of carbon monoxide and oxygen in the blood
d. By the amount of carbonic acid in the blood
d. By the amount of carbonic acid in the blood
Angina is a pain associated with the heart which is felt only across the chest. This statement is:
a. true
b. untrue
b. untrue
List the symptoms of carbon monoxide poisoning:
a. ruddy complexion, headache, stomach cramps, nausea, lethargy
b. difficulty in breathing, ruddy complexion, headache, stomach cramps, nausea,
lethargy
c. ruddy complexion, headache, nausea, giddiness, stomach cramps
d. ruddy complexion, headache, tightness across the forehead, impaired judgement
d. ruddy complexion, headache, tightness across the forehead, impairedjudgement
Held að aðaltrikkið sé að spotta að í carbon monoxide poisoning þá færðu impaired judgement.
Hvað þarftu að bíða lengi eftir að hafa gefið blóð?
24 klst
The normal range of blood pressure is:
a. systolic 120 mm Hg and diastolic 80 mm Hg
b. systolic 80 mm Hg and diastolic 120 mm Hg
c. systolic 120 mm Hg and diastolic 120 mm Hg
d. systolic 80 mm Hg and diastolic 80 mm Hg
a. systolic 120 mm Hg and diastolic 80 mm Hg
Pressoreceptors affect the:
a. ECG readings
b. tightening and relaxation of the blood vessels only
c. EEG readings
d. tightening and relaxation of the blood vessels and the pulse rate
d. tightening and relaxation of the blood vessels and the pulse rate
Cardiac output (the quantity of blood pumped by the heart per unit time), is the product of:
a. stroke volume and the heart rate (pulse rate)
b. stroke volume and viscosity of the blood
c. pulse rate and strength of the ventricle muscle
d. pulse rate only
a. stroke volume and the heart rate (pulse rate)
Internal Respiration is:
a. the brain’s control of the pulse rate
b. the exchange of oxygen with carbon dioxide and water in the cells
c. sighing
d. the retention of breath
b. the exchange of oxygen with carbon dioxide and water in the cells
The pressoreceptors have signalled low blood pressure. The body’s response is to increase the cardio output, increase _____ and tighten the blood vessels
heart rate
Færðu öran hjartslátt í hypoxia?
já, early stages held ég meira að segja
Hvar er haemoglobin?
red blood cells
Eftir að hafa gefið blóð, hvað áttu að hvíla þig lengi og hvenær máttu fljúga aftur?
Hvíla sig í 15-20 mínútur. Mátt fljúga eftir 24 klst.
Habituation means that:
a. One’s behaviour has become automatic.
b. One’s behaviour has become regular.
c. The nervous system cannot respond to stimuli due to illness.
d. The nervous system is no longer stimulated to the same degree as before.
d. The nervous system is no longer stimulated to the same degree as before.
The parasympathetic nervous system:
a. Relaxes the body organs after a danger has gone.
b. Is part of the peripheral nervous system.
c. Is not part of the autonomic nervous system.
d. Stimulates the fight or flight response.
a. Relaxes the body organs after a danger has gone.
What is a stereotype and involuntary reaction to a stimulation? A r___.
reflex
The sodium/potassium pump:
a. Causes an electrical impulse to move along a neurone.
b. Reduces hyperventilation.
c. Maintains the alkali/acid balance of the body.
d. Is the control mechanism of the heart.
a. Causes an electrical impulse to move along a neurone.
Hvaða “líffæri” inniheldur Central Nervous System?
The brain and the spinal chord.
Vision of terrain (valleys or hills) is based upon the concepts of proportion and perspective at long distances and on ____ vision at short distances.
binocular
The amount of light entering the eye is controlled by:
a. The peripheral nervous system.
b. The central nervous system. Incorrect
c. The secondary nervous system.
d. The autonomic (vegetative) nervous system.
d. The autonomic (vegetative) nervous system.
Accommodation is triggered by the ____ system
autonomic nervous system.
Scotopic vision is vision via the ___.
rods
Sunglasses with variable transmission light sensitive Photochromic lenses:
a. Are ideal as long as they are polarised.
b. Can be disadvantageous when used in the cockpit due to their dependence on UV light which is screened by the cockpit glass.
c. Are generally forbidden for use in flight.
d. Are advantageous for pilots.
c. Are generally forbidden for use in flight.
The Flicker effect:
a. Can result in severe degradation of visual adaption.
b. Is one of the main causes of spatial disorientation in pilots.
c. Rarely causes spatial disorientation in pilots.
d. Can result in severe degradation of sensory adaption.
c. Rarely causes spatial disorientation in pilots.
Night flying at 10,000 ft you find that your acuity decreases. What can you do to improve your acuity?
a. Use your peripheral vision.
b. Go onto oxygen.
c. Switch on or turn up the cabin heat.
d. Turn up the instrument lights.
b. Go onto oxygen.
