A neuropeptide is a molecule that is synthesized from an amino acid by the removal of a carboxyl group and the addition of another small functional group such as an amine group.

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


False

Anatomy & Physiology

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Identify, by numbers, any known carriers

What will be an ideal response

Anatomy & Physiology

Ninety percent of the cells within the CNS are neurons, and most of these are interneurons

Indicate whether the statement is true or false

Anatomy & Physiology

Skeletal muscle can be tetanized; can heart muscle also be tetanized? Why or why not?

A) Yes, extrasystoles are evidence of tetanus. B) Yes, all muscle can be tetanized. C) No, heart muscle does not show summation and tetanus because of the long refractory period of cardiac muscle cells.

Anatomy & Physiology

If the vagal nerves to the heart were cut, the result would be that ________

A) the heart rate would increase by about 25 beats per minute B) parasympathetic stimulation would increase, causing a decrease in heart rate C) the atrioventricular (AV) node would become the pacemaker of the heart D) the heart would stop, since the vagal nerves trigger the heart to contract

Anatomy & Physiology