WAEC 2018 Health Science Answers And Objective

WAEC 2018 Health Science Answers And Objective
January 19
00:30 2018

Below is a sample question and answer on Health Science education for WAEC 2017/2018 exams…


Tabulate And Complet
SOURCE (i) Cereals and legumes
DEFICIENCY (ii) poor bone formation and
SOURCE (i) heme
and nonheme
DEFICIENCY (ii) anemia
SOURCE (i) sesame seeds, cashews, and soybeans
DEFICIENCY (ii) anemia

i)gastric juice
ii)pancreatic juice
iii)bile and intestinal juice

Community health is a major field of study within the medical and clinical sciences which focuses on the maintenance, protection and improvement of the health status of population groups and communities as opposed to the health of individual patients.

i) having fun – being serious,
ii) trying – mastering,
iii) getting support – feeling independent
iv) student – professional identity.

3)Four factors
i)Heredity: Heredity and genes certainly play an important role in the transmission of physical and social characteristics from parents to off-springs.
ii)Sex: Sex is a very important factor which influences human growth and development.
iii)Socioeconomic: Socioeconomic factors definitely have some affect.
iv) Nutritional: Growth is directly related with nutrition. The human body requires an adequate supply of calories for its normal growth and this need of requirements vary with the phase of development.

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.

Mouth is used for chewing
Gullet is used for transporting food the stomach
the small intestine helps in absorption of nutrients and minerals from food.
large intestine is to absorb water from the remaining indigestible food
matter and transmit the useless waste material from the body.

i)through Orally
ii)Through injection
iiiT)hrough inhaling

Pollution is the introduction of contaminants into the natural environment that cause adverse change
Reader Also Read: 2018 JAN/FEB WAEC GCE English Language OBJ & Theory Answers/Expo/Dubs/Runz

i)volatile oranic
iv)various chemical compoind

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.

A disaster is a sudden, calamitous event that seriously disrupts the functioning of a community or society and causes human, material, and economic or environmental losses that exceed the community’s or society’s ability to cope using its own resources.

i)*Carbon Dioxide Emissions:*
The human activity most widely viewed as changing the planet is the burning of fossil fuels. In order to produce the energy that drives the world’s economy, countries rely on carbon-rich fossil fuels like coal, oil, and gas.

ii)*Draining Rivers*
Life depends heavily on the supply of fresh water that exists in rivers, lakes, and aquifers. According to Wired Science , it’s estimated that one fourth of Earth’s river basins run dry before ever reaching the ocean.

iii)*Black Carbon*
For centuries, humans have engaged in activities that produce black carbon particles. Black carbon particles are released into the atmosphere in the form of smoke that is produced by cooking with solid animal fuels, burning trees, and spewing diesel exhaust.

iv)*Industrial Agriculture*
As the world’s population continues to grow, so does the amount of farmland needed to provide sufficient food.

v)*Reef Destruction:*
Ocean reefs make up the foundation of some of the world’s richest marine ecosystems. Their demise is disturbing the flow of nutrients and energy that support animal and plant life in our oceans.

i)Ground sources
iii)Surface water
i)Red Blood Cell
iv)plastic Anemia
v)Clumps of sickle cells

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David Chris

David Chris

David Chris is writer and a staff at Ngyab.com. He is also an internet guru who who loves reading and making new friends


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