Module 8: Health and Exercise Biology (specimen)




1) Which of these causes cramp?
a) alcohol
b) carbon dioxide
c) lactic acid
d) oxygen


2) The source of energy for the human body is
a) exercise
b) food
c) heat
d) oxygen


3) Which row of the table shows what happens when a marathon runner has finished a race?
pulse ratebreathing rate
a)
increases
increases
b)
increases
decreases
c)
decreases
increases
d)
decreases
increases


4) Which of these is likely to improve fitness?
a) drinking alcohol
b) eating fatty food
c) regular exercise
d) smoking cigarettes


5) Which of these uses the least energy per hour?
a) playing tennis
b) skating
c) swimming
d) sleeping


6) Your pulse is caused by
a) air being pumped down the bronchi
b) air being pumped up the windpipe
c) blood being pumped along an artery
d) blood being pumped along a vein


7) The diagram shows parts of one cell and leaf


X is
a) a bronchus
b) the diaphragm
c) the rib-cage
d) the windpipe


8) Capillaries allow substances to pass between blood and body cells.
Capillaries
a) have very thin walls
b) have valves in their walls
c) have elastic walls
d) are wide for good blood flow


9) The muscles which move the ribs during breathing are called
a) alveolar muscles
b) coronary muscles
c) pulmonary muscles
d) intercostal muscles


10) Respiration is
<
a) release of energy from glucose
b) pumping of air into the lungs
c) release of sweat onto the skin
d) resuscitation of a person who has stopped breathing


11) Which statement about blood vessels is correct?
a) Veins have valves which push blood forward
b) Veins have valves which stop blood flowing backwards
c) Arteries have valves which stop blood flowing backwards
d) Arteries have valves which push blood forwards


12) Air will flow into lungs when
a) the diaphragm muscles contract
b) the ribs move down and in
c) the diaphragm rises
d) the lungs are squashed


Use the diagram of the heart to answer questions 13 and 14
13) Which vessel carries blood to all parts of the body except the lungs?
a) 1
b) 2
c) 3
d) 4


14) Blood with a high concentration of oxygen enters the heart at chamber
a) 5
b) 6
c) 7
d) 8


15) Which of these helps air to enter the lungs?
a) the temperature of the air
b) the pressure of the air
c) the amount of oxygen in the air
d) the amount of water in the air


16) Carbon dioxide passes from the blood into the alveoli of the lungs by
a) circulation
b) ventilation
c) respiration
d) diffusion


17) The blood leaving the arm muscles of a weight lifter is different from the blood entering the muscles.
The blood leaving has
a) a lower temperature
b) more red blood cells
c) a higher concentration of oxygen
d) a lower concentration of glucose


18) The diagram shows an internal view of the heart

There are valves in position G and H
What happens to these valves when the ventrice contracts?
valve Gvalve H
a)
opens
opens
b)
opens
closes
c)
closes
opens
d)
closes
closes


19) An oxygen debt occurs in muscles when
a) the pulse rate is increased to deliver more glucose
b) the muscles need more oxygen than the lungs absorb
c) we breathe out more carbon dioxide than we breathe in
d) lactic acid is removed from the blood leaving the muscles


20) Which of these carries blood from the highest concentration of carbon dioxide?
a) an artery carrying blood from the lungs to the heart
b) an artery carrying blood from the heart to the lungs
c) a vein carrying blood from the lungs to the heart
d) a vein carrying blood from the heart to the lungs



21) Each diagram shows an alveolus and possible movements of substances through its wall.


Which ldiagram shows what happens during normal breathing?
a)
b)
c)
d)


22) The graph shows the oxygen consumption and energy release during a period of exercise.


When might the conditions cause an oxygen debt?
a)
b)
c)
d)


23) Which of these occurs to force air out of the lungs?

Movement of ribs or
diaphragm tube
effect on the lungs
a)
diaphragm curves upwards
volume of lungs increases
b)
diaphragm becomes flat
pressure in lungs decreases
c)
ribs swing down and inwards
pressure in lungs increases
d)
ribs swing up and outwards
volume of lungs decreases


24) Here are three statements about respiration in humans.
  1. Energy is released only during anaerobic repiration
  2. Glucose is used up in both aerobic and anaerobic respiration
  3. Only aerobic respiration uses up oxygen
The correct statements are
a) 1 and 2 only
b) 1 and 3 only
c) 2 and 3 only
d) 1, 2 and 3


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