All of the Following Are True About Diphtheria Toxin, Except

question 19

Multiple Choice

All of the following are true about diphtheria toxin, except

• A)it inhibits cellular protein synthesis.
• B)it must be neutralized with antitoxin.
• C)it primarily targets the heart and nerves.
• D)it is an exotoxin.
• E)antitoxin (DAT) comes from immunized human plasma donors.

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Definitions:

Prostaglandins

A group of lipid compounds that are produced within the body's tissues and have various functions, including involvement in inflammation and pain.

Estrogen

Substance that exerts biologic effects characteristic of estrogen hormone, such as stimulating female secondary sexual characteristics, growth, and maturation of long bones, and help controlling the menstrual cycle.

Ductus Venosus

A fetal blood vessel that connects the umbilical vein to the inferior vena cava, bypassing the liver.

Umbilical Vein

A blood vessel in a fetus that carries oxygenated blood from the placenta to the fetus.