You Have Just Disembarked from an Airplane Following a Cross-Country

question 35

Multiple Choice

You have just disembarked from an airplane following a cross-country flight.You are experiencing difficulty in hearing and notice that your ears are plugged.To relieve the pressure you try "yawning" to clear the ear canal.It worked.What muscle was involved?

• A)Middle constrictor
• B)Levator veli palatini
• C)Salpingopharyngeus
• D)Palatopharyngeus
• E)Tensor veli palatini

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Definitions:

Genotypes

The genetic makeup of an organism, representing the underlying codes for traits, which interacts with the environment to determine the organism's phenotype.

Heterozygous

Describes an organism that carries two different alleles of a particular gene, one inherited from each parent.

Locus

The specific fixed position of a gene or DNA sequence on a chromosome, serving as a map reference for genetic studies.

Diploid

Referring to cells that contain two sets of chromosomes, one set inherited from each parent, typical of most body cells except for gametes.