Which of the Following Is True of an Allen Wrench

question 32

Multiple Choice

Which of the following is true of an Allen wrench?

• A) double hex drive
• B) hex drive
• C) 8-point drive
• D) 4-point drive

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Definitions:

Ectoderm

The outermost layer of cells in the early embryo from which the nervous system, skin, and other external tissues develop.

Proximodistal Development

A pattern of development where growth starts at the center of the body and moves towards the extremities, observed in the physical development of children.

Fingernails

Keratin-based structures at the tips of the fingers that protect the fingertip and enhance tactile sensation.

Fetus

A prenatal human between its embryonic state and birth, specifically after the major structures have begun to develop in the ninth week of pregnancy.