PSIO 303 Exam 3 Study Questions and
Answers
The earliest defects that arise with Metabolic Syndrome are impaired glucose tolerance (IGT) and
hyperinsulinemia - ANSWER-False
All individuals who develop Metabolic Syndrome will eventually develop type 2 diabetes - ANSWER-
False
Adipose tissue st...
A. Nitric oxide can be stimulated to diffuse to the smooth muscle cells and cause relaxation and
vasodilation.
B. Insulin action on the vascular endothelium of capillaries perfusing skeletal muscle includes decreasing
the number of capillary contacts on the skeletal muscle.
C. Nitric oxide promotes the delivery of glucose and causes leakiness in the endothelium of the
capillaries in contact with the muscle.
D. Insulin can act on the endothelial cells in the capillary bed of the skeletal muscle tissue to activate
nitric oxide synthase (eNOS), leading the nitric oxide production. - ANSWER✔✔-B and C are correct
Insulin can act on the endothelial cells in the arterioles supplying blood to the skeletal muscle tissue to
activate nitric oxide synthase (eNOS), leading to nitric oxide production. - ANSWER✔✔-True
Impairments in both delivery of glucose to the skeletal muscle cell and the transport of glucose into the
cell in response to insulin action contribute to insulin resistance - ANSWER✔✔-True
Only IRS-1 will be affected by the up-regulation of PKC theta by free fatty acids (FFAs) - ANSWER✔✔-
False
The positive effect of tyrosine phosphorylation on the insulin receptor, is not a graded modulation, but
an "all or nothing" response. - ANSWER✔✔-False
Low levels of glucose, as seen by the pancreas, will result in which of the follow?
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