Which of the Following Is Not an Example of Negative

question 57

Multiple Choice

Which of the following is not an example of negative feedback?

• A)After eating a meal containing high glucose levels, the pancreas secretes more insulin, a hormone that lowers blood glucose levels.
• B)After cutting your finger, the injured tissue releases chemicals that activate platelets in the blood. These activated platelets release chemicals to activate more platelets, leading to the formation of a blood clot.
• C)An elevation in blood pressure causes heart rate to decrease, thereby causing blood pressure to decrease.
• D)The secretion of the hormone TSH stimulates the thyroid gland to secrete thyroxine. Thyroxine, in turn, inhibits the secretion of TSH.

---

Definitions:

IC

Integrated Circuit, a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon.

Chronic Obstructive Pulmonary Disease

A group of lung diseases, including emphysema and chronic bronchitis, that block airflow and make breathing difficult.

Oxygen

A chemical element critical for respiration and energy production in living organisms, symbol O.

Chest X-ray

A radiographic image of the chest used to diagnose, monitor, and treat conditions affecting the chest and lungs.