Immunoglobulins that are mainly responsible for resistance against viruses, bacteria, and bacterial toxins are ________.

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


D) IgG.

Anatomy & Physiology

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Cutaneous melanomas are associated with

A. short exposure to high-intensity sunlight. B. exposure to background radiation. C. prolonged exposure to low-intensity sunlight. D. occasional exposure to X-rays.

Anatomy & Physiology

Which of the following is NOT a shape of epithelial tissue cells?

A. Columnar B. Unipolar C. Cuboidal D. Squamous

Anatomy & Physiology

Shivering is the main voluntary means of increasing the production of heat in the body

Indicate whether the statement is true or false

Anatomy & Physiology

Hypoventilation causes __________.

a) an increase in blood pH b) a decrease in respiratory rate c) an increase in blood PO2 d) an increase in blood PCO2

Anatomy & Physiology