Exam 25: Endocrine Regulation

In nonsteroid hormones, the hormone itself is the first messenger.

A list of the nonsteroid hormones from largest to smallest would read protein hormones, amino acid derivative hormones, and peptide hormones.

Steroids are able to pass easily through a target cell's plasma membrane because they are:

Match each term with its explanation or definition. -One hormone has the opposite effect of another hormone

Match each term with its explanation or definition. -Uses the mobile-receptor model to function

Match each chemical classification with a corresponding hormone. -Cortisol

Hormones can be:

Both steroid and nonsteroid hormones produce their effects by increasing the number of enzymes that catalyze cellular reactions.

The nuclear-receptor model is used in describing the action of steroid hormones.

There are 16 structural classes of prostaglandins, classes A though P.

Which of the following is not true of prostaglandins?

Which of the following does not act as a second messenger for nonsteroid hormones?

Explain how a hormone can act specifically on one type of cell and not on others.

Hormones are synergistic if they have opposite effects on the target cell.

Most hormones are highly specific in their action.

A hormone is able to stimulate more cells than a neurotransmitter.

When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called:

The target cell in the endocrine system is similar to the postganglionic neuron in the nervous system, because they both have receptors that respond to the presence of a chemical.

Which of the following is not a protein hormone?

If the cellular response to a hormone caused an increase in RNA synthesis, the hormone most likely was a steroid hormone.