Waec 2017/2018 100% Health Science Answer

2017 WAEC HEALTH SCIENCE ANSWERS
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4)Digestion is the breakdown of large
insoluble food molecules into small water-
soluble food molecules so that they can be
absorbed into the watery blood plasma. In
certain organisms, these smaller
substances are absorbed through the small
intestine into the blood stream.
2bi)
i ) Ground sources
ii ) Precipitation
iii ) Surface water
2017 WAEC HEALTH SCIENCE ANSWERS
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5ai)
hard drug is a scary substance with a high
potential for abuse, death, or severe
addiction.
5aii)
i)Cocaine
ii)Methamphetamine
5b)
i) An underlying mental disorder, like
schizophrenia, depression or generalized
anxiety
ii)A low sense of self-worth combined with
a tendency to respond to peer pressure
iii)Exposure to high levels of stress from
personal, professional or financial
sources
iv)Exposure to an

environment where drug use is accepted
and drugs are readily available
v)High blood pressure
vi)Learning and memory problems
4)Digestion is the breakdown of large
insoluble food molecules into small water-
soluble food molecules so that they can be
absorbed into the watery blood plasma. In
certain organisms, these smaller
substances are absorbed through the small
intestine into the blood stream.
2bi)
i ) Ground sources
ii ) Precipitation
iii ) Surface water
2017 WAEC HEALTH SCIENCE ANSWERS
+++++++++++++++++++++++
6ai)
Muscle is a soft tissue found in most
animals. Muscle cells contain protein
filaments of actin and myosin that slide
past one another, producing a contraction
that changes both the length and the shape
of the cell.
6aii)
i)Muscles are primarily responsible for
maintaining and changing posture
ii)Muscles are used locomotion

*Waec Expo 2017/2018 Health Science May/June Questions and Answers expo runz*

5ai)
hard drug is a scary substance with a high potential for abuse, death, or severe addiction.
5aii)
i)Cocaine
ii)Methamphetamine
5b)
i) An underlying mental disorder, like
schizophrenia, depression or generalized anxiety
ii)A low sense of self-worth combined with a tendency to respond to peer pressure
iii)Exposure to high levels of stress from personal, professional or financial
sources
iv)Exposure to an
environment where drug use is accepted and drugs are readily available
v)High blood pressure
vi)Learning and memory problems

6ai)
Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell.

6aii)
i)Muscles are primarily responsible for maintaining and changing posture
ii)Muscles are used locomotion
3)

*Genetics*
It's no secret that your height is directly related to the height of each of your parents. Even if you are significantly taller or shorter than yourother family members, the genes you inherited from your mother and your father contribute to your growth.

*Pituitary Tumors*
Individuals born with or who develop pituitary tumors may experience different growth patterns than they would otherwise.

*Medication*
Exposure to certain medications can inhibit human growth patterns and result in an individual growing more slowly or never reaching his full height

*Illness*
Children who develop a severe illness in infancy or early childhood are more likely to demonstrate inhibited growth patterns.
9b)

(I) First aid to remove foreign body emergency (ii) rescuscitation Expired (iii)Air Rescuscitation (EAR)Cardio-Pulmonary Rescuscitation (CPR)
8. A disaster is a serious disruption of the functioning of a community or a society involving widespread human, material, economic or environmental loss and impacts, which exceeds the ability of the affected community or society to cope using its own resources.
7 Pollution is the introduction of contaminants into the natural environment that cause adverse change
7c

1. Swelling or bruising over a bone.

2. Deformity of an arm or leg.


3. Pain in the injured area that gets worse when the area is moved or pressure is applied.


HEALTH SCIENCE OBJ

1-10) B C B D D D A B C D
11 -20) C B C C C D D A A B
21-30) B C C B C A C D D A
31-40) B B D B C A B B C B
41-50) C C B D D B B C C