BIOLOGY: CONC & INV. LOOSE W/ACCESS >BI
4th Edition
ISBN: 9781260203141
Author: Hoefnagels
Publisher: MCG
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Chapter 28, Problem 6MCQ
Summary Introduction
Introduction:
Melatonin is a hormone which is naturally produced in the body by the pineal gland. The pineal gland secretes melatonin in sync with our circadian rhythms. Melatonin’s primary function in the body is to regulate the sleep wake cycle.
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Which of these dysfunctions of the endocrine system would most likely result in excess serum glucose?
A.
low secretion of insulin by the pancreas
B.
excess secretion of insulin by the pancreas
C.
low secretion of ADH by the pituitary
D.
excess secretion of ADH by the pituitary
The production of melatonin is inhibited by ________. a. declining levels of light b. exposure to bright light c. the secretion of serotonin d. the activity of pinealocytes
This structure is a unique vascular system connecting the hypothalamus to the anterior pituitary, ensuring hypothalamic hormones are delivered directly to the anterior pituitary
a. Peritubular pathway
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Chapter 28 Solutions
BIOLOGY: CONC & INV. LOOSE W/ACCESS >BI
Ch. 28.1 - Prob. 1MCCh. 28.1 - Prob. 2MCCh. 28.1 - Prob. 3MCCh. 28.1 - Prob. 4MCCh. 28.1 - Prob. 5MCCh. 28.2 - Prob. 1MCCh. 28.2 - Describe the locations of the receptors that bind...Ch. 28.2 - Prob. 3MCCh. 28.2 - Prob. 4MCCh. 28.3 - Prob. 1MC
Ch. 28.3 - Prob. 2MCCh. 28.4 - Prob. 1MCCh. 28.4 - Prob. 2MCCh. 28.4 - Prob. 3MCCh. 28.4 - Prob. 4MCCh. 28.4 - Prob. 5MCCh. 28.5 - Prob. 1MCCh. 28.5 - Prob. 2MCCh. 28.6 - Prob. 1MCCh. 28.6 - Prob. 2MCCh. 28 - The effect of a water-soluble peptide hormone such...Ch. 28 - Prob. 2MCQCh. 28 - Prob. 3MCQCh. 28 - Prob. 4MCQCh. 28 - Prob. 5MCQCh. 28 - Prob. 6MCQCh. 28 - To increase male fertility, it would be logical to...Ch. 28 - How does the endocrine system interact with the...Ch. 28 - Prob. 2WIOCh. 28 - Prob. 3WIOCh. 28 - Sketch the mechanisms of water-soluble and...Ch. 28 - Give two examples of hormones counteracting the...Ch. 28 - Alcohol and caffeine inhibit the effects of...Ch. 28 - Prob. 7WIOCh. 28 - Prob. 8WIOCh. 28 - Prob. 9WIOCh. 28 - How might insulin-producing stem cells...Ch. 28 - Prob. 11WIOCh. 28 - Prob. 12WIOCh. 28 - Prob. 1PITCh. 28 - Connect each hormone discussed in this chapter to...Ch. 28 - Prob. 3PIT
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- Most of the hormones produced by the anterior pituitary perform what function? a. regulate growth b. regulate the sleep cycle c. regulate production of other hormones d. regulate blood volume and blood pressurearrow_forwardWhich endocrine glands are associated with the kidneys? a. thyroid glands b. pituitary glands c. adrenal glands d. gonadsarrow_forwardA physician sees a patient whose symptoms include sluggishness, depression, and intolerance to cold. After eliminating other possible causes, the doctor diagnoses a hormone problem. What disorder fits the symptoms? Why does the doctor suspect that the underlying cause is a malfunction of the anterior pituitary gland?arrow_forward
- What is the target of corticotropin releasing hormone (CRH)? A) the anterior pituitary B) the posterior pituitary C) the thyroid gland D) hypothalamusarrow_forwardCompare and contrast the anterior and posterior pituitary glands. a) Explain how these glands are similar. b) Explain how these glands are different. c) Choose 1 hormone secreted by each gland and describe the feedback pathway for that hormone.arrow_forwardIf you travel across several time zones to the east and want to use melatonin to help reset your circadian rhythm, at what time of day should you take it? What if you travel west?arrow_forward
- Which of the following statements about epinephrine and cortisol is CORRECT? Select one: a. They trigger an inflammatory response. b. They are water soluble hormones. c. They promote adrenocorticotropin (ACTH) secretion. d. The plasma half-life of epinephrine is longer than cortisol. e. They increase blood glucose levels.arrow_forwardWhich of the following statements about hormone secretion apply to the anterior pituitary gland? A secretion occurs in response to releasing hormones from the hypothalamus B hormones are made in the hypothalamus rather than in the pituitary gland itself C secretion is regulated primarily by positive feedback D the hormones secreted have no effect on other endocrine organsarrow_forwardWhich statement about the adrenal gland is false? A)The adrenal medulla responds to signals from the sympathetic nervous system. B)The adrenal medulla secretes epinephrine. C)The adrenal cortex secretes adrenocorticotropic hormone (ACTH) D)The adrenal cortex secretes glucocorticoids.arrow_forward
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