Final Exam: Week 5, 6, 7 & 8 Covered
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1. Glucose Production & Release
Answer
All cells in the body need energy to function
• primarily comes from glucose; a type of sugar found in carbohydrates.
-between meals, glucose stores in the liver are released into the bloodstream
• ensures a constant source of energy for the body
-After a meal, carbohydrates are digested & release glucose into the
,bloodstream
2. Insulin Release in Type I Diabetes
Answer
As glucose levels in the blood rise, beta cells in the pancreas are stimulated
to release insulin
-Insulin halts the livers glucose release & initiates small amounts of glucose to
be stored in the liver for future use
-type 1 diabetes, pancreatic beta cells are damaged or destroyed
• damaged beta cells produce little to no insulin
3. Systemic Insulin and Glucose in Type I Diabetes
Answer
Insulin & glucose travel through the bloodstream to reach cells
throughout the body
-Due to diminished insulin production, patients with type 1 diabetes have a
low insulin concentration & high glucose (sugar) concentration in their
,blood
4. Glucose Absorption in Type I Diabetes
Answer
Insulin is required for glucose to enter cells & be used as energy
-Once arriving at the intended cell, insulin binds to specialized receptors on
the cell surface
• initiates glucose transporters to open & glucose to flow into the cell
-type 1 diabetes, low levels of insulin prevent adequate amounts of glucose
from entering the cell
• Because glucose remains in the bloodstream & is not used by the cell as
energy, patients with type 1 diabetes may experience fatigue, exhaustion, &
dizziness
5. Insulin Release in Type II Diabetes
Answer
, As glucose levels in the blood rise, beta cells in the pancreas are stimulated
to release insulin
-insulin halts the livers glucose release & initiates small amounts of glucose to
be stored in the liver for future use
-In type 2 diabetes, pancreatic beta cells become damaged or destroyed over
time
• damaged beta cells produce little to no insulin.
6. Systemic Insulin and Glucose in Type II Diabetes
Answer
Insulin & glucose travel through the bloodstream to reach cells throughout
the body
-Insulin is required for glucose to enter cells & be used as energy
-In type 2 diabetes, insulin is not used properly & glucose remains in the
bloodstream
• leads to high levels of glucose in the blood (hyperglycemia).