Endocrine Levels of Organization
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Questions and Answers

Which of the following is a large glycoprotein?

  • Epinephrine
  • Oxytocin
  • Follicle-stimulating hormone (correct)
  • Antidiuretic hormone

Epinephrine is a derived from of what type of hormone?

  • A tyrosine amine hormone (correct)
  • A tryptophan amine hormone
  • A proline amine hormone
  • A serine amine hormone

Melatonin can have what effect on the body?

  • Make you dizzy
  • Provide more energy
  • Encourage sleepiness (correct)
  • Raise the heart rate

Which of the following hormones are controlled by a humoral stimuli?

<p>Insulin (C)</p> Signup and view all the answers

What is the function of aldosterone?

<p>Regulate the concentration of sodium ions in the urine. (A)</p> Signup and view all the answers

Calcitonin can lower blood calcium by:

<p>inhibiting resorption by osteoclasts (A)</p> Signup and view all the answers

Which of the following is a mechanism of stimulating hormone release?

<p>All of the above are mechanisms of stimulating hormone release (D)</p> Signup and view all the answers

What is the benefit of a G-protein signaling cascade?

<p>It allows the signal from the original signaling molecule to be amplified. (B)</p> Signup and view all the answers

Which of the following hormones has a tropic effect?

<p>ACTH (C)</p> Signup and view all the answers

Which of the following hormones is not secreted by the anterior pituitary?

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

What inorganic molecule is required for the synthesis of the thyroid hormones?

<p>Iodine (D)</p> Signup and view all the answers

Which of the following hormones is not derived from cholesterol?

<p>Prostaglandin (C)</p> Signup and view all the answers

What sequence describes how a steroid hormone impacts gene expression?

<p>Steroid hormone crosses the plasma membrane, binds to an intracellular hormone receptor in the cytoplasm, the receptor hormone complex then binds to DNA and regulates transcription. (B)</p> Signup and view all the answers

Which of the following is not a function of epinephrine and norepinephrine?

<p>Accelerates fat storage in adipose tissues. (D)</p> Signup and view all the answers

What is the precursor of the thyroid hormones?

<p>Thyroglobulin (C)</p> Signup and view all the answers

Most peptide hormones are easily transported in the blood plasma because:

<p>They are water soluble (D)</p> Signup and view all the answers

What best describes the process of up-regulation?

<p>Increase the number of surface receptors. (C)</p> Signup and view all the answers

Which hormone is not secreted by the anterior pituitary gland?

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

Which of the following is not a function of estrogen?

<p>Softens pubic symphysis to facilitate birthing (B)</p> Signup and view all the answers

Where is the adrenal gland located in the body?

<p>Superior to the kidney (D)</p> Signup and view all the answers

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