Alexandra Bozan
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Study Guide: Endocrine Regulation

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Alexandra Bozan
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Study Guide: Endocrine Regulation

Question 1 of 34

1

The chemical messengers of the endocrine system are

Select one of the following:

  • hormones

  • neurotransmitters

  • target tissues

  • target organs

Explanation

Question 2 of 34

1

Which of the following statements is true of the endocrine system

Select one of the following:

  • The cells secreting the chemical messengers are called neurons

  • the distance traveled by the chemical messengers is short (across a microscopic synapse)

  • Its effects are slow to appear, yet long-lasting

  • None of the above

Explanation

Question 3 of 34

1

Which of the following is not an endocrine gland?

Select one of the following:

  • pineal

  • placenta

  • parathyroid

  • intestines

Explanation

Question 4 of 34

1

The neuroendocrine system performs all of the following functions except

Select one of the following:

  • communication

  • control

  • conduction

  • integration

Explanation

Question 5 of 34

1

Nonsteroid hormones include

Select one of the following:

  • proteins

  • peptides

  • glycoproteins

  • all of the above

Explanation

Question 6 of 34

1

Anabolic hormones

Select one of the following:

  • target other endocrine glands and stimulate their growth and secretion

  • target reproductive tissue

  • stimulate anabolism in their target cells

  • stimulate catabolism in their target cells

Explanation

Question 7 of 34

1

The control of hormone secretion is

Select one or more of the following:

  • usually part of a negative feedback loop

  • rarely part of a positive feedback loop

  • none of the above

Explanation

Question 8 of 34

1

The nervous system functions at a much greater speed than the endocrine system

Select one of the following:

  • True
  • False

Explanation

Question 9 of 34

1

The most widely used method of hormone classification is by chemical structure

Select one of the following:

  • True
  • False

Explanation

Question 10 of 34

1

Steroid hormone receptors are usually attached in the plasma membrane of a target cell

Select one of the following:

  • True
  • False

Explanation

Question 11 of 34

1

Production of too much hormone of a diseased gland is termed hyposecretion

Select one of the following:

  • True
  • False

Explanation

Question 12 of 34

1

Input from the nervous system influences secretion of hormones

Select one of the following:

  • True
  • False

Explanation

Question 13 of 34

1

Eicosanoids are referred to as

Select one of the following:

  • growth hormones

  • tissue hormones

  • target cells

  • thyroxins

Explanation

Question 14 of 34

1

Fill the blank space to complete the text.

hormones are hormones that regulate activity in nearby cells within the same tissue as their source.

Explanation

Question 15 of 34

1

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hormones regulate activity in he secreting cell itself.

Explanation

Question 16 of 34

1

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The of the male reproductive system secretes prostaglandins in the semen.

Explanation

Question 17 of 34

1

Fill the blank space to complete the text.

Leukotrines are regulators of .

Explanation

Question 18 of 34

1

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PGFs are required for normal to occur in the digestive tract.

Explanation

Question 19 of 34

1

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Responses that result from the operation of feedback loops within the endocrine system are called .

Explanation

Question 20 of 34

1

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Unused hormones circulating in the blood are excreted by the .

Explanation

Question 21 of 34

1

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In , one hormone produces the opposite effect of another hormone.

Explanation

Question 22 of 34

1

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In second messenger systems, the hormone-receptor complexes may be taken into the cell by means of .

Explanation

Question 23 of 34

1

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The of steroid hormone present determines the magnitude of a target cell's response.

Explanation

Question 24 of 34

1

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Endocrine target cells must have the appropriate receptor to be influenced by the signaling chemical - a process called ( signal transduction, signal induction ).

Explanation

Question 25 of 34

1

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If too little hormone is produced, the condition is called ( hypersecretion, hyposecretion ).

Explanation

Question 26 of 34

1

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Many nonsteroid hormones seem to use cAMP as the ( first messenger, second messenger ).

Explanation

Question 27 of 34

1

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Some hormones produce their effects by triggering the opening of ( calcium, potassium ) channels.

Explanation

Question 28 of 34

1

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The ( pituitary, parathyroid ) regulate(s) the thyroid by producing thyroid-stimulating hormone (TSH).

Explanation

Question 29 of 34

1

If norepinephrine diffuses into the blood and then binds to an adrenergic receptor in a distant target cell, it is known as

Select one of the following:

  • hormone

  • neurotransmitter

  • second messenger

  • none of the above

Explanation

Question 30 of 34

1

Which of the following is not a peptide

Select one of the following:

  • antiduretic hormone (ADH)

  • oxytocin (OT)

  • melanocyte-stimulating hormone (MSH)

  • testosterone

Explanation

Question 31 of 34

1

Combinations of hormones will have a greater effect on a target cell than the sum of the affects that each would have if acting alone. This phenomenon is called:

Select one of the following:

  • permissiveness

  • synergism

  • antagonism

  • transduction

Explanation

Question 32 of 34

1

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The target cell concept is an example of the ( lock-and-key, signal transduction, mobile-receptor, nuclear receptor ) model of chemical reactions.

Explanation

Question 33 of 34

5

Select from the dropdown lists to complete the text.

Blood regulator important in blood clotting: ( Thromboxane, leukotrines, tissue hormone, eicosanoids, ibuprofen ).
Immunity regulator: ( leukotrines, Thromboxane, tissue hormone, eicosanoids, ibuprofen )
Local hormone: ( tissue hormone, Thromboxane, leukotrines, eicosanoids, ibuprofen )
Lipid Molecules: ( eicosanoids, Thromboxane, leukotrines, tissue hormone, ibuprofen )
Inhibits PGE synthesisi: ( ibuprofen, Thromboxane, leukotrines, tissue hormone, eicosanoids )

Explanation

Question 34 of 34

8

Select from the dropdown lists to complete the text.

Binds to specific plasma membrane receptor ( Nonsteroid hormone, Steroid hormone )
Response time is usually one hour to several days ( Steroid hormone, Nonsteroid hormone )
Receptor is mobile in the cytoplasm or nucleus ( Steroid hormone, Nonsteroid hormone )
Lipis ( Steroid hormone, Nonsteroid hormone )
Regulates gene activity ( Steroid hormone, Nonsteroid hormone )
Stored in secretory vesicles before release ( Nonsteroid hormone, Steroid hormone )
One or more amino acids ( Nonsteroid hormone, Steroid hormone )
Response time is usually several seconds to a few minutes ( Nonsteroid hormone, Steroid hormone )

Explanation

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