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22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancre releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, loweri blood sugar levels. The baby pushes against the cervix, causing it to stretch a. Positive Feedback Response b. Negative Feedback Loop c. Both the choice is correct d. Neither a andb are correct Utenu Stretching of the cervix causes nerve impulses to be sent to Onytocin causes the uterus to contract

22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancre releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, loweri blood sugar levels. The baby pushes against the cervix, causing it to stretch a. Positive Feedback Response b. Negative Feedback Loop c. Both the choice is correct d. Neither a andb are correct Utenu Stretching of the cervix causes nerve impulses to be sent to Onytocin causes the uterus to contract

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancre releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, loweri blood sugar levels. The baby pushes against the cervix, causing it to stretch. a. Positive Feedback Response b. Negative Feedback Loop c. Both the choice is correct d. Neither a and b are correct Uterus Stretching of the cervix causes nerve impulses to be sent to the brain. Oxytocin causes the uterus to contract. 23. What type of feedback loop is shown Figure A? Umbilical cord Cervix a. Negative b. Positive c. Neutral d. None of the choices The brain stimulates the pituitary to release axytocin. Figure A Hypothalamus 24. What type of feedback loop is shown Figure B? Nerve impulses sent to skin a. Negative b. Positive Thermoreceptors Increased sweating: vasodilation c. Neutral d. None of the choices Increase in body tomperature Decrease in body temperature Normal bedy temperature ar C) No change Nomal body emperature (ar C) 25. When the level of carbon dioxide in the blood is Decrease in body temperature Increase in body temperature too high, the excess carbon dioxide reacts with water and produces carbonic acid. The carbonic acid causes the blood pH to become more acidic. When the blood pH becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in blood pH. Which of these responses by the body would eliminate the excess carbon dioxide and help maintain homeostasis in the blood pH? Thermoreceptors Shivering. vasoconstriction Nerve impulses sent to skin Figure B a. Increasing the body temperature by shivering. b. Increasing glucose levels in the blood. c. Breathing more deeply and frequently. d. Decreasing the heart rate.
Transcribed Image Text:22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancre releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, loweri blood sugar levels. The baby pushes against the cervix, causing it to stretch. a. Positive Feedback Response b. Negative Feedback Loop c. Both the choice is correct d. Neither a and b are correct Uterus Stretching of the cervix causes nerve impulses to be sent to the brain. Oxytocin causes the uterus to contract. 23. What type of feedback loop is shown Figure A? Umbilical cord Cervix a. Negative b. Positive c. Neutral d. None of the choices The brain stimulates the pituitary to release axytocin. Figure A Hypothalamus 24. What type of feedback loop is shown Figure B? Nerve impulses sent to skin a. Negative b. Positive Thermoreceptors Increased sweating: vasodilation c. Neutral d. None of the choices Increase in body tomperature Decrease in body temperature Normal bedy temperature ar C) No change Nomal body emperature (ar C) 25. When the level of carbon dioxide in the blood is Decrease in body temperature Increase in body temperature too high, the excess carbon dioxide reacts with water and produces carbonic acid. The carbonic acid causes the blood pH to become more acidic. When the blood pH becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in blood pH. Which of these responses by the body would eliminate the excess carbon dioxide and help maintain homeostasis in the blood pH? Thermoreceptors Shivering. vasoconstriction Nerve impulses sent to skin Figure B a. Increasing the body temperature by shivering. b. Increasing glucose levels in the blood. c. Breathing more deeply and frequently. d. Decreasing the heart rate.
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