What is the most likely homeostatic response to an increase in environmental temperature? A. Blood vessel Constriction B. Producing sweat C. Shivering and muscle contraction D. Goose bump formation 5. What could happen due to a failure in homeostasis? 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. 6. 7. Which of the following is true when the body is under homeostasis? A. The body cannot generate its own heat in very cold conditions B. The body is under dynamic equilibrium C. The body is ab'e to self-sustain without anything from the environment D. None of the a' ve

What is the most likely homeostatic response to an increase in environmental temperature? A. Blood vessel Constriction B. Producing sweat C. Shivering and muscle contraction D. Goose bump formation 5. What could happen due to a failure in homeostasis? 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. 6. 7. Which of the following is true when the body is under homeostasis? A. The body cannot generate its own heat in very cold conditions B. The body is under dynamic equilibrium C. The body is ab'e to self-sustain without anything from the environment D. None of the a' ve

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter1: Introduction To Physiology And Homeostasis

Section: Chapter Questions

Problem 3TAHL: The hormone insulin enhances the transport of glucose (sugar) from the blood into most body cells....

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1. Which of the following is one of the four basic cell types in the body? a. respiratory b. epithelial c. endocrine d. integumentary Tile e. immune 2. Which of the following is incorrect? a. Equilibrium requires a constant input of energy. Tile b. Positive feedback is less common in nature than negative feedback. c. Homeostasis does not imply that a given variable is unchanging. d. Fever is an example of resetting a set point. e. Efferent pathways carry information away from the integrating center of a reflex arc.
2. Which of the following variables do our bodies regulate? A. Salt concentration in blood B. Glucose concentration in blood C. Body temperature D. All answers are correct 3. Which of the following is an example of positive feedback to indirectly maintain homeostasis? A. the chemical reactions involved in blood clotting B. your blood vessels dilate and you begin to sweat in response to elevated body temperature C. your biood vessels constrict and you begin to shiver in response to low body temperature D. your coach compliments you on your performance in practice
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
Match the body temperature control item to the appropriate location in the negative feedback loop. Effector when variable is low Effector when variable is high Control center Sensor Controlled variable A. Muscles for shivering and goosebumps B. Nerves in skin C. Brain D. Sweat glands E. Temperature
1. What is homeostasis? 2. Identify the components of a negative feedback mechanism. 3. When does positive feedback mechanism occur in the body? 6. Which of the following internal control systems is responsible in gathering information about the conditions inside and outside of the body? A. communicating system C. sensor B. control center D. thalamus 7. When there is an increase in the sugar level, negative feedback occurs in our body. What organ is responsible for releasing insulin to lower the sugar level? A. brain B. heart C. kidney D. pancreas 8. Which is the following is the best description of homeostasis? A. Maintenance of body function. B. Maintenance of body functions at the optimum level at all times. C. Keeping the body in balance D. Multiple systems working cooperatively to maintain body function within normal limits. 9. In which direction does an impulse travel along a neuron? A. from axon to axon C. from dendrite to axon B. from axon to dendrite D.…
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.
1. what would happen to the temperature of the blood if the feedback was positive rather than negative. 2. Cutting the nerves connecting the thermoreceptors to the heat loss centre in the hypothalamus might cause the death of the individual. explain precisely why this action might cause death. 3. Cutting the nerves connecting the heat loss centre to the skin would be less likely to cause death than if those between the thermoreceptors and the heat loss centre were cut. Suggest why. 4. Negative feedback in temperature regulation occurs as a result of blood passing from the skin to the brain. In doing so, this blood passes through the heart. List, in sequence, the major vessels joined to the heart that this blood would pass through on its journey.
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
27. Which of the following statements relating to positive feedback mechanism is true? a. it usually controls rare events in the body b. it exhibits a cascading effect c.it exaggerate the original stimulus d. all of the above e. none of the above
Fever increases the body temperature and can induce chills to help cool the temperature back down. What other mechanisms are in place to regulate the body temperature?a. shiveringb. sweatingc. erection of the hairs on the arms and legsd. all of the above
Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming that the body shape of an animal is at least somewhat spherical, a considerable decrease in body size would _______ the surface area-to-volume ratio, and the ability to exchange heat with the environment would _______. A. increase; increase B. increase; stay about the same C. increase; decrease D. decrease; increase E. decrease; stay about the same
What is the cause of a fever of 38.3C(101F) ? a. too much heat produced by the body b. upward adjustment of the body temperature set point c. inadequate cooling mechanisms in the body d. the heat caused by a viral or bacterial infection