Hands Should Be Washed For

question 41

Multiple Choice

Hands should be washed for:

• A) at least 20 seconds.
• B) no less than 30 seconds.
• C) more than two minutes.
• D) more than three minutes.

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Definitions:

Fertilisation

The fusion of gametes (egg and sperm) to initiate the development of a new individual organism.

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, representing the earliest stage of embryonic development.

Egg

A reproductive cell produced by female organisms, capable of developing into a new individual upon fertilization.

Phenotype

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.