TEAS Science Exam Pack 2022/ Which of the following illustrates a negative feedback mechanism that occurs in the human
body?
a)the release of insulin from the pancreas in response to an increase in blood sugar levels
b) the release of glucagon from the pancreas in response to an increase in blood- sugar levels
c) the release of oxytocin resulting in uterine contractions as childbirth is underway
d) chemical reactions that result in coagulation due to fibrin being released
a) the release of insulin from the pancreas in response to an increase in blood - sugar levels
Pancreatic cells have an abundance of _______ to meet the protein production demands of the
cell
a) nuclei
b)mitochondria
c)lysosomes
d) rough endoplasmic reticulum
d) rough endoplasmic reticulum
Nails are made of a protein called ____
a) collagen
b)vinculin
c)keratin
d) elastin
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