Excitatory postsynaptic potentials are due to the entry of the electrolyte __ through gated ion channels in the postsynaptic membrane.

What will be an ideal response?


sodium or Na or Na+

Anatomy & Physiology

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The posterior part of the vertebral arch is the ________.

A. intervertebral disk B. spinous process C. lamina D. intervertebral foramen E. vertebral foramen

Anatomy & Physiology

Delayed hypersensitivity is most often treated with antihistamines.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which statement about the hypodermis is correct?

A. It consists of loose connective tissue and adipocytes. B. It is avascular. C. It stabilizes the skin's position on deeper tissue because it closely adheres to the underlying muscle. D. The distribution of subcutaneous fat remains essentially the same as a person grows from infancy through adolescence to adulthood, especially in women. E. It is composed of stratified squamous epithelium.

Anatomy & Physiology

The most abundant cation within cells is

A. chloride. B. calcium. C. sodium. D. potassium. E. magnesium.

Anatomy & Physiology