Chemical Classification of Hormones

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Where are receptors of protein hormones and adrenal medullary hormones situated?

Cell membrane

Which type of hormone has receptors located in the cytoplasm of target cells?

Steroid hormones

What is the effect called when two or more hormones work together to produce a particular result?

Synergistic Effect

Which hormone type requires receptors in the nucleus of the cell for its actions?

<p>Thyroid hormones</p> Signup and view all the answers

Which hormone type has receptors that are specifically for one single hormone?

<p>Steroid hormones</p> Signup and view all the answers

In hormone interactions, what does the Permissive Effect refer to?

<p>Enhancing responsiveness of a target organ to a second hormone</p> Signup and view all the answers

Which type of hormones do not enter the target cells but instead bind to receptors on the plasma membrane?

<p>Polypeptides</p> Signup and view all the answers

Which of the following hormones are considered lipophilic or hydrophobic?

<p>Estrogen</p> Signup and view all the answers

What is the main difference between polypeptide and protein hormones?

<p>Amino acid content</p> Signup and view all the answers

Where are the receptors for polypeptide hormones located?

<p>Plasma membrane outer surface</p> Signup and view all the answers

Which type of hormones bind to intracellular proteins and act directly within the target cells?

<p>Steroids</p> Signup and view all the answers

What is a common characteristic of polar (water-soluble) hormones?

<p>Bind to receptors on plasma membrane</p> Signup and view all the answers

What is the main difference between negative feedback and positive feedback in hormone secretion?

<p>Negative feedback reverses the stimulus, while positive feedback amplifies the stimulus.</p> Signup and view all the answers

Which gland is responsible for secreting Growth Hormone (GH) and Thyroid-stimulating hormone (TSH)?

<p>Anterior Pituitary gland</p> Signup and view all the answers

What type of hormones are Growth Hormone (GH) and Thyroid-stimulating hormone (TSH)?

<p>Polar hormones</p> Signup and view all the answers

Which hormone prevents water loss by increasing water reabsorption in the kidneys?

<p>Antidiuretic hormone (ADH)</p> Signup and view all the answers

Which gland secretes Melanocyte Stimulating Hormone (MSH)?

<p>Anterior Pituitary gland</p> Signup and view all the answers

What hormone is responsible for uterine contractions during childbirth and milk ejection during breastfeeding?

<p>Oxytocin (OT)</p> Signup and view all the answers

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