The above figure shows areas of referred pain that

indicate an internal organ is damaged. Which letter
corresponds to heart damage?
a. A
b. B
c. C
d. D
e. none of these


Answer: b

Biology & Microbiology

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An atom with three electrons _______________________

A. has one orbital with three electrons B. has two orbitals, one of which has two electrons, the other has one C. has three orbitals, each of which contains one electron D. has three energy shells, each of which contains one electron

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In overdominance, the _______ genotype is beneficial over the _______ genotypes

A. heterozygous, homozygous B. homozygous, heterozygous C. homozygous dominant, homozygous recessive D. homozygous recessive, homozygous dominant E. incomplete dominant, codominant

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The immunoglobulin class that has a dimer form found in mucus, saliva, colostrum, and other body secretions is ________.

A. IgE B. IgG C. IgM D. IgA E. IgD

Biology & Microbiology

What is the name of a lineage of flatworms that are endoparasites of vertebrates?

a. Cestoda b. Turbellaria c. Trematoda d. Hirudinea

Biology & Microbiology