Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 37, Problem 20RQ
Recent studies suggest that blue light exposure can impact human circadian rhythms. This suggests that blue light disrupts the function of The gland(s).
- adrenal
- pituitary
- pineal
- thyroid
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Chapter 37 Solutions
Biology 2e
Ch. 37 - Figure 37.5 Heat shock proteins (HSP) are so named...Ch. 37 - Figure 37.11 Pancreatic tumors may cause excess...Ch. 37 - Figure 37.14 Hyperthyroidism is a condition in...Ch. 37 - A newly discovered hormone contains four amino...Ch. 37 - Which class of hormones can diffuse through plasma...Ch. 37 - Why are steroids able to diffuse across the plasma...Ch. 37 - A new antagonist molecule has been discovered that...Ch. 37 - What effect will a cAMP inhibitor have on a...Ch. 37 - When insulin binds to its receptor, the complex is...Ch. 37 - Drinking alcoholic beverages causes an increase in...
Ch. 37 - FSH and LH release from the anterior pituitary is...Ch. 37 - What hormone is produced by beta cells of the...Ch. 37 - When blood calcium levels are low, PTH stimulates:...Ch. 37 - How would mutations that completely ablate the...Ch. 37 - A rise in blood glucose levels triggers release of...Ch. 37 - Which mechanism of hormonal stimulation would be...Ch. 37 - A scientist hypothesizes that the pancreas’s...Ch. 37 - Which endocrine glands are associated with the...Ch. 37 - Which of the following hormones is not produced by...Ch. 37 - Recent studies suggest that blue light exposure...Ch. 37 - Although there are many different hormones in the...Ch. 37 - Where is insulin stored, and why would it be...Ch. 37 - Glucagon is the peptide hormone that signals for...Ch. 37 - Name two important functions of hormone receptors.Ch. 37 - How can hormones mediate changes?Ch. 37 - Why is cAMP-mediated signal amplification not...Ch. 37 - Name and describe a function of one hormone...Ch. 37 - Describe one direct action of growth hormone (GH).Ch. 37 - Researchers have recently demonstrated that...Ch. 37 - How is hormone production and release primarily...Ch. 37 - Compare and contrast hormonal and humoral stimuli.Ch. 37 - Oral contraceptive pills work by delivering...Ch. 37 - What does aldosterone regulate, and how is it...Ch. 37 - The adrenal medulla contains two types of...Ch. 37 - How would damage to the posterior pituitary gland...
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- Explain the basis of the fact that nervous control is rapid but of short-duration, whereas hormonal control takes time to start but the effects last a long time. How would body function change if the rate of hormone degradation increased? Decreased?arrow_forwardthe following is true for a peptide hormone? It... is able to pass through the cell membrane 2O can act directly in the nucleus to stimulate protein synthesis has a slower response time than a steroid hormone O utilizes a second messenger system.arrow_forwardMelatonin is a hormone made by the pineal gland, a small gland in the brain. Melatonin helps control your sleep and wake cycles. Evaluate each statement below and select the statement that best describes the pathway. Select one: a. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to stop producing melatonin, signalling the body to go to sleep. b. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to increase the production of melatonin, signalling the body to go to sleep. c. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to stop producing melatonin, signalling the body to wake up. d. Light on the retina stimulates the hypothalamus to send a signal to the pineal gland to increase the production of melatonin, signalling the body to wake up.arrow_forward
- The diagram below illustrates feedback control as exerted by the hormone thyroxine. Following surgical removal of the thyroid gland, the level of TSH in the blood will increase. inhibition Thyroxine feedback loop A B Which of the following best explains this increase? с hypothalamus thyrotropin-releasing hormone (TRH) D anterior pituitary thyroid-stimulating hormone (TSH) inhibition thyroid gland thyroxine Residual blood thyroxine, prior to thyroid gland removal, will bind to cells in the anterior pituitary, signaling more TSH secretion. Thyroxine that was stored in the anterior pituitary prior to thyroid gland removal will sig. nal more TSH secretion. Thyroxine will remain bound to thyroxine receptors on various body cells, and these body cells will secrete additional hormones that stimulate the anterior pituitary to se crete TSH. A decrease in thyroxine levels means a loss of inhibition to the hypothalamus and ante rior pituitary, leading to increased TSH secretion.arrow_forwardThyroid hormones have all of the following qualities, except:A. They activate synthesis of RNA and amino acidsB. They increase basal metabolismC. They inhibit erythropoesisD. They increase heat productionE. They stimulate insulin breakdownarrow_forwardThe feedback pathway for the long-term stress hormone is shown below. Hypothalamus → Releasing Hormone → Gland 1 - → Hormone 1- Gland 2 – Hormone 2 Some Endocrine Structures and Hormones 1. Posterior pituitary 2. Anterior pituitary 3. ADH 4. ACTH 5. Adrenal medulla 6. Adrenal cortex 7. Cortisol 8. Epinephrine Select the number of the structure from the list above that corresponds to the gland or hormone in the long-term stress hormone release pathway. Gland 1 Hormone 1 Gland 2 Hormone 2arrow_forward
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- Visit this link (http://openstaxcollege.org/l/adrenalglands) to view an animation describing the location and function of the adrenal glands. Which hormone produced by the adrenal glands is responsible for mobilization of energy stores?arrow_forwardFigure 37.14 Hyperthyroidism is a condition in which the thyroid gland is overactive. Hypothyroidism is a condition in which the thyroid gland is underactive. Which of the conditions are the following two patients most likely to have? Patient A has symptoms including weight gain, cold sensitivity, low heart rate, and fatigue. Patient B has symptoms including weight loss, profuse sweating, increased heart rate, and difficulty sleeping.arrow_forwardCells of an overactive thyroid can be killed by radioactive iodine. Explain why the thyroids hormone-producing cells take up more radioactive iodine than other cells of the body.arrow_forward
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