ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
4th Edition
ISBN: 9781265521363
Author: McKinley
Publisher: MCG
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Question
Chapter 1.6, Problem 15WDYL
Summary Introduction
To determine: The body structures that act as a receptor, control center, and effector that help in regulating temperature.
Introduction
Homeostasis is a self-regulatory process that helps in stabilizing the internal environment by adjusting the conditions of the body for survival. The homeostatic system has three components Receptor, control system, and effector. The regulation of the body temperature is essential for the survival of the body.
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Students have asked these similar questions
Which of the following responses is an effector activated by the hypothalamus when the body temperature is lower than the set point?
Group of answer choices
move to a warmer location or put on a sweater
skeletal muscles contract
sweat glands initiate sweating
skin blood vessels dilate
In describing a positive feedback loop, which of the following would be true?
a) the sensor and control center are always the same
b) the effector signals the control center to shut off the initial stimulus
c) the effect shuts off the initial stimulus
d) the effect amplifies the initial stimu
For the following physiological events, identify the following components of homeostatic control
Variable
Stimulus
Receptor
Input
Control center
Output
Effector
Response
Thyrotropin-releasing hormone (TRH) is a hormone regularly released by the hypothalamus. Once released, it then stimulates the anterior pituitary gland causing it to release thyroid stimulating hormone (TSH). TSH then stimulates the thyroid gland to release the hormones T3 and T4. T3 and T4 have two main effects. First, they increase overall metabolism. Secondly, T3 and T4 can bind to these receptors on the hypothalamus and anterior pituitary, inhibiting the production of TRH and TSH respectively.
Chapter 1 Solutions
ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
Ch. 1.1 - What is the relationship between anatomy and...Ch. 1.1 - How might knowledge of surface anatomy be...Ch. 1.1 - Which field of physiology examines how the heart,...Ch. 1.2 - Compare and contrast how anatomists and...Ch. 1.4 - Prob. 6WDYLCh. 1.4 - Prob. 8WDYLCh. 1.5 - Prob. 9WDYLCh. 1.5 - Prob. 10WDYLCh. 1.5 - Prob. 12WDYLCh. 1.5 - Prob. 13WDYL
Ch. 1.6 - List and describe the three components of a...Ch. 1.6 - Prob. 15WDYLCh. 1.6 - Prob. 16WDYLCh. 1.7 - Prob. 17WDYLCh. 1 - Which field of anatomy examines the superficial...Ch. 1 - Prob. 2DYKBCh. 1 - Prob. 3DYKBCh. 1 - Prob. 4DYKBCh. 1 - Prob. 5DYKBCh. 1 - Prob. 6DYKBCh. 1 - Which body cavity is located inferior to the...Ch. 1 - Prob. 8DYKBCh. 1 - Prob. 9DYKBCh. 1 - Prob. 10DYKBCh. 1 - What are the similarities and differences between...Ch. 1 - List the levels of organization in a human,...Ch. 1 - Prob. 13DYKBCh. 1 - Name the organ systems in the human body.Ch. 1 - Describe the body in the anatomic position. Why is...Ch. 1 - List the anatomic term that describes each of the...Ch. 1 - What are the two body cavities within the...Ch. 1 - Describe the structure and function of serous...Ch. 1 - What are the main components in a homeostatic...Ch. 1 - Prob. 20DYKBCh. 1 - Your friend Eric complains of some pain in his...Ch. 1 - Your friend Eric complains of some pain in his...Ch. 1 - Your friend Eric complains of some pain in his...Ch. 1 - When you are outside on a hot, humid day, what...Ch. 1 - A friend just started taking Zoloft (an SSRI) and...Ch. 1 - Lynn was knocked off her bicycle during a race....Ch. 1 - Prob. 2CSLCh. 1 - Prob. 3CSL
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- You are removing a hot pan of cookies from the oven, using a pot holder. Suddenly, you feel a surge of heat through the pot holder. Why don’t you react by dropping the baking pan and spilling cookies all over the floor? You are removing a hot pan of cookies from the oven, using a pot holder. Suddenly, you feel a surge of heat through the pot holder. Why don’t you react by dropping the baking pan and spilling cookies all over the floor? pickone of these options please Sensory input is temporarily suspended to the spinal reflex center. Cortical integration centers override the spinal reflex. The limbic system inhibits the fear of being burned. Efferent signals by cord ventral cord neurons are interrupted.arrow_forwardWhat is similar and different about a feedback loop or feedback cycle when describing a physiological process in the body?arrow_forwardDefine homeostasis. What happens when homeostasis fails? List the three basic components of a control system and give an example. Describe the components of a reflex pathway. Contrast the response loop and the feedback loop. Explain the relationship between a regulated physiological variable and its setpoint. Is the physiological variable exactly at its setpoint? Compare and contrast negative and positive feedback. Give a biological example of each. Is the setpoint constant or can it change over time? If setpoints can change over time, what is this called? Chapter 2:arrow_forward
- When you step outside in the cold, your body temperature decreases; which causes shivering or contractions of your muscles. In this example, the shivering or contracting of the muscles, is what part of the feedback loop?arrow_forwardSelect the statements that correctly describe positive feedback pathways. 1. A sensor/receptor is required to monitor and limit levels. 2. A sensor/receptor is unnecessary to monitor and limit levels. 3. Feedback prevents homeostasis. 4. Feedback contributes to homeostasis. 5. Feedback stimulates the effector to continue to do the same thing. 6. Feedback stops the effector from doing one thing and stimulates it to do the opposite. 7. When the target level for a hormone is reached, feedback results in a reduction of that hormone being released. 8. When a target level for a hormone is reached, feedback results in an increase of that hormone being released. Record your answers in ascending (lowest to highest) order.arrow_forwardWhich of the following terms does The processor of all information in the body belong to? a.)Control center b.)Homeostasis c.)Stimulus-response model d.)Negative feedback e.)Positive feedback f.)Feedback modelarrow_forward
- Select the statements that correctly describe negative feedback pathways. 1. A sensor/receptor is required to monitor and limit levels. 2. A sensor/receptor is unnecessary to monitor and limit levels. 3. Feedback contributes to homeostasis. 4. Feedback prevents homeostasis. 5. Feedback stimulates the effector to continue to do the same thing. 6. Feedback stops the effector from doing one thing and stimulates it to do the opposite. 7. When the target level for a hormone is reached, feedback results in an increase of that hormone being released. 8. When the target level for a hormone is reached, feedback results in a reduction of that hormone being released. Record your answers in ascending (lowest to highest) order.arrow_forwardAn example of acclimatization is: Group of answer choices long limbs high body mass short limbs shiveringarrow_forwardgive two examples of feedback mechanisms in the human body. identify the type of feedback (negative or positive), the receptor, the control center and effector.arrow_forward
- Explain the role of antagonistic effectors in maintaining homeostasis, and the nature of positive feedback loops.arrow_forward1) As a physiologist, which of the following terms should you immediately associate with negative feedback regulation? Answer choices Constancy Relative constancy Relative constancy in interstitial fluid Relative constancy in intracellular fluid 2) Which of the following is true about physiological set-points? Answer choices They act as the integrating center in a negative feedback arc They represent the internal environment They are determined by the actions of the receptors and integrating centers They are constant They act as the effector in a negative feedback arc 3) What is the general purpose of negative feedback mechanisms? Answer choice a. to maintain a constant internal environment b. To anticipate changes in the environment c. To return a variable to its set-point d. To bring about the rapid change of a variable e. To detect changes in the external environmentarrow_forwardWhat are implications to the person’s behavior/functioning when: a) neuron does not fire impulses to and from the brain b) neurons slow to fire impulses to and from the brain?arrow_forward
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