Essentials of Human Anatomy & Physiology Plus MasteringA&P with eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780321918758
Author: Elaine N. Marieb
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 3MC
More than one choice may apply.
Which of the following is (are) essential for the maintenance of life?
a. Reproduction
b. Effectors
c. Growth
d. Irritability
e. Excretion
f. Receptors
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Briefly explain these three facts:
The process of monitoring and adjusting of the body’s condition, such as temperature and pH, is known asa. exothermy.b. homeostasis.c. osmoregulation.d. ectothermy.
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Chapter 1 Solutions
Essentials of Human Anatomy & Physiology Plus MasteringA&P with eText -- Access Card Package (11th Edition)
Ch. 1 - Prob. 1MCCh. 1 - Which of the following is (are) involved in...Ch. 1 - More than one choice may apply. Which of the...Ch. 1 - More than one choice may apply. Using the terms...Ch. 1 - Match the proper anatomical term (column B) with...Ch. 1 - Prob. 6MCCh. 1 - A neurosurgeon orders a spinal tap for a patient....Ch. 1 - More than one choice may apply. Which of the...Ch. 1 - Define anatomy and physiology.Ch. 1 - List the 11 organ systems of the body, briefly...
Ch. 1 - Prob. 11SAECh. 1 - Explain the difference between positive and...Ch. 1 - Many body structures are symmetrical. Are the...Ch. 1 - Describe the locations that the following body...Ch. 1 - Which of the following organ systems-digestive,...Ch. 1 - A diagnostic radiographer told John that she was...Ch. 1 - 23. How is the concept of homeostasis (or its...Ch. 1 - Jennifer fell off her motorcycle and tore a nerve...Ch. 1 - Mr. Garica is behaving abnormally and doctors...Ch. 1 - 19. Parathyroid hormone (PTH) is secreted in...Ch. 1 - 20. Mr. Harvey, a computer programmer, has been...
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When faced with a sudden drop in environmental temperature, an endothermic animal will _______. a. experience a drop in its body temperature b. wait to see if it goes lower c. increase muscle activity to generate heat d. add fur or fat to increase insulation
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The hormone insulin enhances the transport of glucose (sugar) from the blood into most body cells. Its secretion is controlled by a negative-feedback system between the concentration of glucose in the blood and the insulin-secreting cells. Therefore, which of the following statements is correct? A decrease in blood glucose concentration stimulates insulin secretion, which in turn further towers blood glucose concentration. An increase in blood glucose concentration stimulates insulin secretion, which in turn lowers blood glucose concentration. A decrease in blood glucose concentration stimulates insulin secretion, which in turn increases blood glucose concentration. An increase in blood glucose concentration stimulates insulin secretion, which in turn further increases blood glucose concentration. None of the preceding is correct.
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Which of the following mechanisms could both be used by the body to increase body temperature if a person forgets a coat on a cold day? A. Superficial blood vessels dilate, and the thyroid decreases metabolism. B. Superficial blood vessels constrict, and the thyroid decreases metabolism. C. Superficial blood vessels dilate, and the thyroid increases metabolism. D. Superficial blood vessels constrict, and the thyroid increases metabolism.
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Growth and development of an organism is mainly influenced by
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What could happen due to a failure in homeostasis?
Select one:
a. The accumulation of waste products.
b. The loss of excess water from the body.
c. Maintaining excess levels of sugar in the body.
d. All of the above are potential outcomes of failure of homeostasis.
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If daytime body temperature of some ectotherms were measured, the values would be fairly constant. Provide an explanation for such observations, giving some possible mechanisms that might be involved
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Which of the following are examples of maintaining homeostasis (more than one answer may be correct)? a. You develop diarrhea in response to contracting norovirus b. Sweating due to eating spicy food c. Kidneys removing excess fluid through urine d. Insulin is released in response to high blood sugar, causing cells to use more sugar
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The presence of a full bladder triggers the bladder to contract. As a little urine is released, this causes more contractions, which will completely empty the bladder. This is an example of: a. homeostatic regulation b. uroregulation c. negative feedbackd. positive feedback e. reverse feedback
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which of the following situations illustrates that a homeostatic mechanism is not operating properly?
a. acute high blood pressure
b. normalized blood glucose levels
c. dailt fluid intake equals dailty fluid output
d. all of these illustrate homestatic mechanisms operating properly
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Explain the term Humans are endotherms?
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Regulation of physiological variables occurs primarily through
mechanisms.
a. negative feedback
b. positive feedback
c. urine formation
d. feedforward
e. myogenic
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You are studying a large tropical reptile that has a high and relatively stable body temperature. How do you determine whether this animal is an endotherm or an ectotherm? (A) You know from its high and stable body temperature that it must be an endotherm. (B) You subject this reptile to various temperatures in the lab and find that its body temperature and metabolic rate change with the ambient temperature. You conclude that it is an ectotherm. (C) You note that its environment has a high and stable temperature. Because its body temperature matches the environmental temperature, you conclude that it is an ectotherm. (D) You measure the metabolic rate of the reptile, and because it is higher than that of a related species that lives in temperate forests, you conclude that this reptile is an endotherm and its relative is an ectotherm.
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What is Homeostasis? | Physiology | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=quQr6X1Q58I;License: CC-BY