A Deficiency in Which of These Minerals Results in a Condition

question 24

Multiple Choice

A deficiency in which of these minerals results in a condition known as goiter?

• A) Phosphorus
• B) Magnesium
• C) Calcium
• D) Iron
• E) Iodine

---

Definitions:

Synaptic Vesicle

Small structures within neurons that store neurotransmitters for release at the synapse.

Synaptic Cleft

The small gap between the presynaptic and postsynaptic neurons, across which neurotransmitters are released to communicate signals.

Presynaptic Membrane

A region of the neuron that releases neurotransmitters in response to an action potential.

Postsynaptic Membrane

The part of the neuron or muscle cell that receives signals from another neuron at a synapse.