From Which of the Primary Germ Layers of the Embryo

question 63

Multiple Choice

From which of the primary germ layers of the embryo does the epidermis of the skin develop?

• A)Endoderm
• B)Ectoderm
• C)Mesoderm
• D)Both endoderm and ectoderm.

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Definitions:

ECG

Electrocardiogram, a medical test that records the electrical activity of the heart over a period of time using electrodes placed on the skin.

Wave

A wave is a disturbance that transfers energy through space and matter, often described by its amplitude, wavelength, frequency, and speed.

Artifact

An object made by a human being, typically of cultural or historical interest.

Pulse Oximeter

A noninvasive device used to measure the oxygen saturation level of the blood and the heart rate through a sensor attached to the fingertip or earlobe.