ANATOMY & PHYSIOLOGY 4/E PAC 1 SEMESTER
4th Edition
ISBN: 9781265061173
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 25, Problem 13DYKB
Summary Introduction
To enlist:
The stimuli that turn on and turn off the thirst center.
Introduction:
Stimuli are any change in the surroundings that elicits a response in any organism. For example light is a stimulus for plants as a plant, water is a stimulus for both plants and animals. Thirst and hunger are also a type of stimulus. So for different organisms stimulus can be different.
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List the stimuli that turn on, and turn off, the thirst center.
Describe the thirst mechanism, indicating how it is triggered and terminated.
What change in plasma is most important for triggering thirst? Where is that change sensed?
Chapter 25 Solutions
ANATOMY & PHYSIOLOGY 4/E PAC 1 SEMESTER
Ch. 25.1 - Prob. 1WDYLCh. 25.1 - Which ions are more prevalent in the intracellular...Ch. 25.1 - What is the major distinction in the chemical...Ch. 25.1 - Prob. 4WDYLCh. 25.2 - What are the two major sources of fluid intake?...Ch. 25.2 - How would you distinguish fluid deficiency from...Ch. 25.2 - Prob. 7WDYLCh. 25.2 - Which of these four hormonesangiotensin II,...Ch. 25.3 - Why do electrolytes exert a greater osmotic...Ch. 25.3 - Prob. 10WDYL
Ch. 25.4 - Prob. 11WDYLCh. 25.4 - How does the homeostatic system involving ADH...Ch. 25.4 - Prob. 13WDYLCh. 25.4 - Prob. 14WDYLCh. 25.5 - What is meant by acid-base balance?Ch. 25.5 - How are fixed acids distinguished from volatile...Ch. 25.5 - How do the kidneys regulate fixed acids to help...Ch. 25.5 - Prob. 18WDYLCh. 25.5 - What are the three chemical buffering systems, and...Ch. 25.5 - Prob. 20WDYLCh. 25.6 - Prob. 21WDYLCh. 25.6 - Prob. 22WDYLCh. 25.6 - Prob. 23WDYLCh. 25.6 - Prob. 24WDYLCh. 25.6 - Prob. 25WDYLCh. 25.6 - Prob. 26WDYLCh. 25 - Prob. 1DYKBCh. 25 - _____ 2. The fluid compartment with the largest...Ch. 25 - _____3. Which of the following would result in...Ch. 25 - _____4. If an individual has decreased saliva...Ch. 25 - _____5. Which hormone decreases total body fluid,...Ch. 25 - Which of the following describes an electrolyte?...Ch. 25 - Prob. 7DYKBCh. 25 - Prob. 8DYKBCh. 25 - Which of the following is not a chemical buffer in...Ch. 25 - Prob. 10DYKBCh. 25 - List the three variables that determine the...Ch. 25 - Describe the movement of water between the...Ch. 25 - Prob. 13DYKBCh. 25 - Explain the homeostatic system involving the renin...Ch. 25 - Describe how ANP is regulated and how it opposes...Ch. 25 - Describe the functions of Na+ and how it is...Ch. 25 - Describe what occurs in the kidney to maintain...Ch. 25 - Prob. 18DYKBCh. 25 - List the three chemical buffers, and describe how...Ch. 25 - Describe respiratory acidosis and its...Ch. 25 - Maria brings her baby to the emergency room. She...Ch. 25 - Prob. 2CALCh. 25 - Prob. 3CALCh. 25 - Harold has been suffering from diabetes mellitus...Ch. 25 - Prob. 5CALCh. 25 - Morgan is a nurse at the local hospital. She...Ch. 25 - Ms. Taylor, 68 years old, has been vomiting for 2...Ch. 25 - Prob. 3CSL
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain how water levels in the body influence the thirst cycle and what role would the hypothalamus have in thirst mechanisms.arrow_forwardDistinguish between osmotic and hypovolemic thirst, including the brain mechanisms for each.arrow_forwardLong-term satiation of thirst depends on areduction of the of the blood.arrow_forward
- A young woman who has suffered a head injury seems to have recovered but is thirsty all the time. What do you think might be the cause? Hint: remember the main stimulus to vasopressin and thirst.arrow_forwardList three factors that stimulate thirst. Name two factorsthat inhibit the sense of thirst.arrow_forwardBy what mechanism does thirst help regulate water intake?arrow_forward
- What triggers thirst? What is the hormonal response to thirst?arrow_forwardDescribe how thirst and the organs ofhomeostasis (kidneys, heart and blood vessels,lungs, adrenal glands, pituitary gland, parathyroidglands) function to maintain fluid homeostasis.arrow_forwardWhich of the following in not involved with stimulation of the hypothalamic thirst center? a. Release of angiotensin II b. Stimulation in response to a dry mouth and throat c. Stimulation in response to decreased blood pressure d. Stimulation in response to decreased plasma osmolalityarrow_forward
- What receptors govern fluid intake? Where are they located?arrow_forwardWhich is the most accurate thirst mechanism water retention sequence? High salt concentration - feels thirsty - water is retained in kidney Low liquid concentration - hypothalamus releases ADH - communicates with kidney High salt concentration - hypothalamus signals posterior pituitary - communicates with liver High salt concentration - hypothalamus signals posterior pituitary - communicates with kidneyarrow_forwardWould adding salt to the body’s extracellular fluids increase or decrease osmotic thirst?arrow_forward
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