It Would Be Most Difficult for the Body to Maintain

question 4

Multiple Choice

It would be most difficult for the body to maintain homeostasis if over several days someone had an inadequate intake of

• A) calcium.
• B) sodium.
• C) iron.
• D) fluoride.

---

Definitions:

Postsynaptic

Referring to the region of a neuron that receives and responds to neurotransmitters released from another neuron at a synapse.

AMPA Receptors

Ionotropic receptors in the brain that mediate fast synaptic transmission in the central nervous system, crucial for brain functions such as learning and memory.

Nerve Growth Factor

A protein essential for the growth and survival of certain neurons, playing a critical role in the development and maintenance of the nervous system.

Brain Injury

Physical damage to the brain, which can result in impaired mental or physical functioning.