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Endocrine System and Hormones Quiz

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Questions and Answers

Which type of hormones behave more like peptide hormones?

Amino-acid hormones

Adrenaline and noradrenaline (correct)

Steroid hormones

Thyroid hormones

What happens when a non-steroid hormone binds to a cell surface receptor?

There is a change in gene expression within the cell (correct)

The hormone enters the cell directly

The hormone becomes inactive

The receptor protein gets degraded

How do thyroid hormones behave in terms of binding to receptors?

They do not bind to any receptors

They bind to cell surface receptors

They bind to transport proteins

They bind to intracellular receptors (correct)

What is the role of the hypothalamus in the endocrine system?

To control the production of other endocrine glands Signup and view all the answers

Which hormone is also known as epinephrine?

Adrenaline Signup and view all the answers

How do adrenaline and noradrenaline travel through the blood?

Unbound Signup and view all the answers

What type of hormones are made from cholesterol?

Steroid hormones Signup and view all the answers

How do steroid hormones travel through the bloodstream?

Bound to transport proteins Signup and view all the answers

Where are non-steroid hormones unable to pass through?

Cell membrane Signup and view all the answers

What is the defining characteristic of peptidic hormones?

They are hydrophilic Signup and view all the answers

Which glands produce steroid hormones?

Adrenal glands and gonads Signup and view all the answers

What happens when steroid hormones enter the target cell?

They bind to a receptor and activate certain genes in the nucleus Signup and view all the answers