Questions

Q:

Innate immune system defenses include

A) phagocytosis B) B cells
C) plasma cells D) T cells
 
Answer & Explanation Answer: A) phagocytosis

Explanation:
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Q:

Which base is found only in RNA?

A) Thyamine B) Adenine
C) Uracil D) Cytosine
 
Answer & Explanation Answer: C) Uracil

Explanation:
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Q:

What is the minimum age to get a license?

A) 18 years B) 17 years
C) 16 years D) 21 years
 
Answer & Explanation Answer: C) 16 years

Explanation:

The minimum age for getting a learner's license as per the government rules is 16 years.

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Q:

Which is an example of a physical change?

A) Dissolving sugar in water B) Breaking glass
C) Melting of ice D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

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Q:

The purpose of defibrillation is to

A) prevent asystole from deteriorating into ventricular fibrillation B) stop the chaotic, disorganized contraction of the cardiac cells
C) cause a rapid decrease in the heart rate of an unstable patient D) improve the chance of cardiopulmonary resuscitation (CPR) being successful in resuscitation
 
Answer & Explanation Answer: B) stop the chaotic, disorganized contraction of the cardiac cells

Explanation:

The purpose of defibrillation is to stop the chaotic, disorganized contraction of the cardiac cells. Defibrillation is a technique used in emergency medicine to terminate ventricular fibrillation or pulseless ventricular tachycardia. It uses an electrical shock to reset the electrical state of the heart so that it may beat to a rhythm controlled by its own natural pacemaker cells.

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Q:

Which nutrients provide energy?

A) Carbohydrates B) Proteins
C) Vitamins D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The nutrients that provide energy are carbohydrates, proteins and vitamins. The other three nutrients--vitamins, minerals, and water do not provide energy.

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Q:

The main products of photosynthesis are

A) Oxygen B) Sugar
C) Both A & B D) Carbon dioxide
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The two main products of photosynthesis are sugar and oxygen. Oxygen is emitted as waste product and sugar is used for energy preparation using sun light.

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Q:

Cartography is the science of

A) coins B) maps
C) cartoons D) None of the above
 
Answer & Explanation Answer: B) maps

Explanation:

Cartography is the science which deals with the study and practice of making maps.

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