The Opposing Roles of the Thyroid and Parathyroid Maintain the Balance

question 73

Multiple Choice

The opposing roles of the thyroid and parathyroid maintain the balance of calcium and phosphate ions in the blood. What will happen if the parathyroid gland develops a defect that prevents PTH secretion?

• A)The amount of calcium ions and phosphate ions in the blood will increase.
• B)The amount of calcium ions in the blood will increase and the amount of phosphate ions will decrease.
• C)The amount of calcium ions in the blood will decrease and the amount of phosphate ions will increase.
• D)The amount of calcium ions and phosphate ions in the blood will decrease.

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Definitions:

Visual Processing

The interpretation of information received by the eyes to understand and interact with the environment.

Cortex

The outer layer of an organ or body structure, especially the cerebral cortex of the brain, which is involved in high-level functions such as consciousness, thought, and memory.

Blind Spot

A specific point in a person's field of vision where they are unable to see, due to the optic disc's location on the retina.

Optic Nerve

A neural pathway that conveys images from the retina to the brain.