Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. This type of feedback mechanism best describes ________
A) negative feedback
B) an abnormal physiological mechanism
C) homeostatic imbalance
D) positive feedback
E) both negative and positive feedback
D
You might also like to view...
Which of the following is a characteristic of hydrogen bonds?
A) Hydrogen bonds are strong attractive forces between hydrogen atoms and negatively charged atoms. B) Hydrogen bonds occur only in water. C) Hydrogen bonds can form between adjacent molecules. D) Hydrogen bonds are part of fatty-acid structure. E) Hydrogen bonds are part of carbohydrate structure.
What would be the effect on a pregnancy if the placenta failed to begin functioning during the third month of gestation?
A) There would be no effect on the pregnancy. B) The pregnancy could not continue. C) The corpus luteum would continue hormone production as an alternative source until birth. D) The fetus would be born prematurely. E) None of the answers are correct.
Explain why cell division is important
What will be an ideal response?
The electrical properties of cells are the result of
A. ion concentration differences across the plasma membrane. B. receptor sites that are present on the plasma membrane. C. phosphorylation reactions within the cytoplasm. D. phospholipids in the cell membrane. E. None of these choices is correct.