Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 39, Problem 2PL
True hormones influence
a. blood cells.
b. the secreting cells.
c. neighboring cells.
d. target cells around the body.
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Functions of hormones include which of the following? a. control rates of certain chemical reactions b. transport substances across cell membranes c. help regulate water and electrolyte balances d. all of the above
Which of the following statements about hormones is not correct?
A. The persistance of a hormone in the blood is usually of short duration.B. The time required for the onset of hormonal effects can vary
C. Organ responses to hormones occur as soon as receptors are bound.
D. The duration of hormone action is variable.
Which of the following is a property common between endocrine hormones, paracrine hormones, and pheromones?
A. They all operate internally within an organism to stimulate different cellular responses.
B. They are all secreted by dedicated glands within the endocrine system.
C. They are all water-soluble hormones
D. Both A and B
E. None of the above
Chapter 39 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 39 - Endocrine glands secrete _______ into the blood....Ch. 39 - True hormones influence a. blood cells. b. the...Ch. 39 - Which of the following endocrine glands is also an...Ch. 39 - Which two endocrine glands have the closest...Ch. 39 - Which endocrine gland stores hormones synthesized...Ch. 39 - The hypothalamus, pineal gland, and pituitary...Ch. 39 - Insulin is secreted by beta cells of the...Ch. 39 - The athena1 medulla secretes the hormones...Ch. 39 - Match the endocrine gland in column A with a...Ch. 39 - Complete the following statements: Name six...
Ch. 39 - Complete the following statements: Name two...Ch. 39 - Complete the following statements: Name two...Ch. 39 - Complete the following statements: Name two...Ch. 39 - Complete the following statements: Name the...Ch. 39 - Complete the following statements: Name two...Ch. 39 - Complete the following statements: Name the most...Ch. 39 - Complete the following statements: Name the...Ch. 39 - In each of the following statements, circle the...Ch. 39 - In each of the following statements, circle the...Ch. 39 - Prob. 4.3ACh. 39 - Prob. 4.4ACh. 39 - In each of the following statements, circle the...Ch. 39 - Prob. 4.6ACh. 39 - In each of the following statements, circle the...Ch. 39 - In each of the following statements, circle the...Ch. 39 - Prob. 4.1CT
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- Hormones are secreted directly into the bloodstream by the endocrine glands. ___________ ____________ ___________ __________arrow_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_forwardMost 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_forward
- Which of the following is true about lipophilic hormones? a. They are freely soluble in the blood. b. They require a transport protein in the bloodstream. c. They cannot enter their target cells. d. They are rapidly deactivated after binding to their receptors.arrow_forwardWhich of the following statements about the half-life of hormones is correct? a) Hormones with a short half-life are present in relatively constant amounts in the blood b) Hormones with a short half-life regulate slow functions c) Fat-soluble hormones usually have a relatively long half-life d) Fat-soluble hormone is rapidly broken down by enzymes in the blood circulation e) Water-soluble hormones usually bind to plasma proteins (transport proteins)arrow_forwardBriefly compare the hormones secreted by the adrenal medulla with those secreted by the adrenal cortexarrow_forward
- Which of the following statements about polypeptide hormones is false?a. They bind to receptors located on the cell membrane.b. Most of them are lipophilic.c. They are the most abundant class of hormones.d. They normally activate second messengers.e. They bind noncovalently to receptors.arrow_forwardWhich 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 is an important function of the endocrine system? a. Provides mechanisms for rapid response to changes in the body b. Provides mechanisms that control the nervous system c. It inhibits nervous system action on muscles and glands d. It maintains a contant yet dynamic internal fluid environmentarrow_forward
- List the steps of action of most nonsteroid hormones (in humans.)arrow_forwardSpecific hormone binding proteins: a. Can only bind to steroid hormones b. Facilitate fluctuations in hormone concentration c. Extend half life of hormones in circulation d. All of the abovearrow_forwardHormones can have drastically different impacts on different target cell types. True or False? This is true. Explain why it is not falsearrow_forward
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