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22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering 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 Oxytocin causes the uterus to contract. Stretching of the cervix causes nerve impulses to be sent to the brain.

22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering 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 Oxytocin causes the uterus to contract. Stretching of the cervix causes nerve impulses to be sent to the brain.

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 pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering 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 oxytocin. Figure A Hypothalamus 24. What type of feedback loop is shown Figure B? Nerve impulses sont to skin a. Negative b. Positive Increased sweating: vasodilation Thermoreceptors C. Neutral d. None of the choices Increase in body temperature Decreaso in body temperature Normal body temperature (37° C) Normal body No change temperature (37* C) 25. When the level of carbon dioxide in the blood is Decrease in body tomperature 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 homenstasis in blood pH. Which of these responses Shivering, vasoconstriction Thermoreceptors Nerve impulses sent to skin Hypothalamus orhon be Figure B
Transcribed Image Text:22. When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering 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 oxytocin. Figure A Hypothalamus 24. What type of feedback loop is shown Figure B? Nerve impulses sont to skin a. Negative b. Positive Increased sweating: vasodilation Thermoreceptors C. Neutral d. None of the choices Increase in body temperature Decreaso in body temperature Normal body temperature (37° C) Normal body No change temperature (37* C) 25. When the level of carbon dioxide in the blood is Decrease in body tomperature 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 homenstasis in blood pH. Which of these responses Shivering, vasoconstriction Thermoreceptors Nerve impulses sent to skin Hypothalamus orhon be Figure B
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