Why Are Steroid Hormones Bound to Carrier Proteins in the Blood

question 57

Multiple Choice

Why are steroid hormones bound to carrier proteins in the blood?

• A) to prevent them from entering non-target cells
• B) to keep them in an inactivate state
• C) to mask hydrophobic groups on the steroids to allow for circulation in the blood
• D) to help them bind to surface receptors and trigger a cellular response
• E) to help them bind to surface receptors and trigger endocytosis

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Definitions:

Normal Splitting

A physiological phenomenon where the heart's second sound (S2) separates into two distinct sounds during inhalation due to the delay in closure between the aortic and pulmonary valves.

Inspiration

The process of drawing air into the lungs, a vital part of the respiratory cycle.

Expiration

The process of expelling air out of the lungs during breathing; also refers to the end of a product's validity period.

Precordial Assessment

An evaluation of the front part of the lower chest wall, often to check for heart anomalies or abnormalities.