Which of the Following Statements Are True of Steroid Hormones

question 17

Multiple Choice

Which of the following statements are true of steroid hormones?
1) They interact with their target cells by binding to specific receptors located in both the intracellular cytoplasmic and nuclear fractions of the cells.
2) They enter the cell primarily through diffusion.
3) Transport proteins are necessary to carry steroids from the organ of synthesis, through the blood stream, to their site of action.
4) They utilize the second messenger signaling system.

• A)1, 2, 3
• B)1, 2, 4
• C)1, 3, 4
• D)2, 3, 4

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Definitions:

Blood Volume

The total amount of blood circulating within an individual's vascular system.

Ventricular Systole

The phase of the heartbeat when the ventricles contract, pumping blood out of the heart and into the arteries.

Pulmonary Trunk

The main vessel transporting deoxygenated blood from the right ventricle of the heart to the lungs.

Pulmonary Arteries

Blood vessels carrying deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.