The Nurse Explains That the Purpose of Mucus Is To

question 8

Multiple Choice

The nurse explains that the purpose of mucus is to:

• A)warm the air entering the lungs.
• B)trap particles and bacteria.
• C)protect the cilia.
• D)clean the sinus cavity.

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Definitions:

Genetic Variations

Differences in DNA sequences among individuals, which contribute to the diversity in physical appearance, physiology, and susceptibility to diseases within a species.

Identical Twins

Twins who developed from a single zygote that then split and formed two embryos, sharing 100% of their DNA.

Biological Parents

The parents who have conceived and given birth to, or biologically fathered a child, as opposed to adoptive or step-parents.

Fraternal Twins

Siblings born at the same time who are genetically as similar as regular siblings because they come from two different eggs fertilized by two different sperm.