The Presence of an Obstruction That Causes Permanent Damage to Heart

question 5

Multiple Choice

The presence of an obstruction that causes permanent damage to heart muscle fibers downstream,thus inhibiting heart muscle function,is BEST termed which of the following?

• A)Angina pectoris
• B)Coronary artery disease
• C)Coronary heart disease
• D)Atherosclerosis

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Definitions:

Recessive

A genetic term describing an allele that is masked by the presence of a dominant allele in a heterozygous combination.

Hemizygous

Possessing only one allele for a particular locus; a human male is hemizygous for all X-linked genes. Compare with homozygous and heterozygous.

Map Units

Units used in genetics to measure genetic linkage and represent the distance between genes on a chromosome, correlating with the frequency of recombination.

Loci

Specific fixed positions on chromosomes where genes or genetic markers are located.