What Kind of Control Mechanism Is Indicated When Increased Blood

question 40

Multiple Choice

What kind of control mechanism is indicated when increased blood glucose levels stimulate increased secretion of insulin?

• A) Control by releasing hormones
• B) Control by tropic hormones
• C) Negative feedback control
• D) Hypothalamus/hypophysis coordination

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Definitions:

Pupil

The adjustable opening in the center of the eye which allows varying amounts of light to enter the eye.

Pupil

The opening in the iris of the eye that allows light to enter the retina.

Light

Electromagnetic radiation within a certain portion of the electromagnetic spectrum, perceived by the human eye as brightness of varying wavelengths and colors.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's ability to focus light.