Module 1: The Human Body- action and control 2002
1) The diagram shows some parts of the blood as seen through a microscope
X is
a) a platelet
b) a red blood cell
c) a white blood cell
d) the plasma
2) Some people regularly drink too much alcohol. After many years they are likely to have
a) Lung cancer
b) Faster reasctions.
c) Liver damage
d) Coughing fits
Use the diagram below to answer Questions 3 and 4
3) Which part is a nerve ending?
a)
b)
c)
d)
4) The function of part
X
is to
a) allow sweating
b) keep out infections
c) produce oil
d) take in moisture
5) A person produces more urine on a cold day than on a hot day. The persons intake of water is the same on both days
On the cold day, the person loses a lot less water in
a) Faeces
b) Sweat
c) Saliva
d) Breath
6) The diagram shows an eye
which part is sensitive to light?
a)
b)
c)
d)
7) The diagram shows part of the digestive system
Which part stores bile?
a)
b)
c)
d)
8) Glucose is transported by the body by the
a) plasma
b) platelets
c) red blood cells
d) white blood cells
9) The function of a white blood cell is to
a) produce hormones
b) produce antibodies
c) carry carbon dioxide
d) carry oxygen
10) Which drug in coffee and cola drinks is a stimulant?
a) alcohol
b) paracetamol
c) barbituates
d) caffeine
11) Which of these is an example of homeostasis?
a) blinking as an object approaches your eye
b) keeping body temperature constant
c) learning to balance ona bicycle
d) shivering when you are frightened
12) An example of a reflex action is
a) your pupils become smaller in bright light
b) you sweat in a hot room
c) you produce more urine after drinking a lot
d) you react more quicky after drinking coffee
13) During digestion, fat is broken down into fatty acids and
a) amino acids
b) glucose
c) glycerol
d) lipase
14) Which of these molecules are too large to through the wall of the intestine?
a) fatty acids
b) glucose
c) starch
d) amino acids
15) Urea is formed from
a) amino acids
b) bile
c) glycerol
d) mineral salts
16) The main functions of the kidney are
a) urea production and hormone production
b) hormone production and controlling the body water content
c) controlling the body water content and excretion
d) excretion and urea production
17) The eye can focus on objects at different distances using the ciliary body to change the thickness of the lens.
Which row of the table is coorect when the lens is thickest
Muscles in ciliary body
Distance of object from eye
a)
contracted
far
b)
relaxed
far
c)
contracted
near
d)
relaxed
near
18) Use the diagram of a kidney to answer questions 18 and 19
X is a
a) Bowman's capsule
b) coiled tubule
c) collecting duct
d) glomerulus
19) Which part contains the highest concentration of urea?
a) 1
b) 2
c) 3
d) 4
20) Which row of the table shows the changes that occur when the body temperature rises?
Change in the blood vessels
Change in blood flow
a)
constricts
less blood flows
b)
constricts
more blood flows
c)
dilates
less blood flows
d)
dilates
more blood flows
21)The diagram shows a reflex arc
Which part is the sensory neurone?
a)
b)
c)
d)
22) Vasodilation increases heat loss by
a) conduction and evaporation
b) evaporation and convection
c) convection and radiation
d) radiation and conduction
23) The diagram shows a model gut
After 24 hours, which substances are present in the water in the beaker?
a) protein and starch
b) carbohydrase
c) amino acids
d) sugars
24) Here are three statements about the action of anti-diuretic hormone (ADH)
More ADH is released when the water content of the blood rises
ADH affects the permeability of part of the nephron
As more ADH is relased, more water is reabsorbed
Which statements are correct?
a) 1 qnd 2 only
b) 1 and 3 only
c) 2 and 3 only
d) 1,2 and 3
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