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Diabetes-MedSurge
NRTC 54
Question | Answer |
---|---|
Chronic hyperglycemia d/t inadequate insulin secretion and/or the body resists the effects of insulin. | Diabetes Mellitus |
What are the 3 functions of insulin? | -carry glucose into the cells for energy -help the liver store glycogen -inhibit glycogen breakdown into glucose |
What is responsible for the production of insulin? | Beta cells in the pancreas. |
Incidence of diabetes is higher among: | African Americans, Latinos, Native Americans, and Asian Americans |
What is the 7th leading cause of death in the US? | Diabetes Mellitus |
What form of diabetes results in a total absence of insulin production and is dx during childhood and adolescents? | Type 1 |
Type 2 diabetes results from: | a decreased sensitivity to insulin or an insufficient production of insulin |
What are the 3 symptoms of Type 1 and Type 2 diabetes? | polyuria, polydipsia, polyphagia |
What is an elevated blood glucose level classified as? | hyperglycemia |
What is polyuria? | increased urination |
Impaired fasting glucose | 100-125 after an overnight fast |
Impaired glucose tolerance | 140-199 after glucose tolerance test lasting 2 hours |
What is polydipsia? | increased thirst |
S/S of hyperglycemia: | hunger, drowsiness, blurred vision |
What is polyphagia? | increased hunger |
What are risk factors for developing type 2 diabetes? | gestational diabetes, race, family hx, hx of smoking, inactivity, obesity, HTN |
Name two types of rapid acting insulin. | insulin aspart, insulin lispro |
What is the onset, peak and duration of rapid acting insulin? | Onset-15-30 min Peak-0.5-2.5 hours Duration-3-6 hours |
When should rapid acting insulin be given? | Right before a meal. Food should be readily available to the pt. |
What is short acting insulin? | regular insulin |
What is the onset, peak and duration of short acting insulin? | onset- 0.5-1 hour peak- 1-5 hours duration- 6-10 hours |
What is the onset, peak and duration of intermediate acting (NPH) insulin? | Onset- 1-2 hours Peak- 6-14 hours Duration- 16-24 hours |
What type of insulin can be given IV? | Short Acting (regular) |
What is the onset, peak and duration of long acting insulin? | Onset- 70 min Peak- none Duration- 18-24 hours |
To ensure safety what should always be done prior to administration of insulin? | Check the type and order for insulin with another nurse. |
Rapid acting and short acting insulin should never be given without ________? | food |
What are the 3 types of sulfonylureas? | glipizide, glimepiride, and glyburide |
Biguanide | Metformin |
TZDs | Pioglitazone |
Megglitinides | Repaglinide |
Alpha-glucosidase inhibitors | Acarbose |
Gliptins | sitagliptan |
Sodium-glucose cotransporter 2 inhibitors | canaglifozin |
What are the s/s of Hypoglycemia? | lighteheaded, shaky, anxious, dizzy, diaphoresis, drowsy, confused |
Poor glycemic control increases the risk for: | MI, CVA, HTN, diabetic retinopathy, peripheral neuropathy, and nephropathy |
Acute, life-threatening condition characterized by hyperglycemia with blood glucose levels greater than 300. | Diabetic Ketoacidosis (DKA) |
Blood sugar greater than 600, often caused by serious illness. | Hyperosmolar Hyperglycemic Nonketotic Syndrome (HHNS) |
What is the accepted HbA1c range for diabetics? | 6.5-8% |
How long before using iodine-containing contrast should a pt discontinue the use of metformin? | 48 hours |
What are possible side effects from TZDs? | fluid retention, bladder cancer, fractures in females, hepatotoxicity |
When should acarbose be taken? | with the first bite of a meal |
Why should metformin be stopped prior to the use of iodine-containing contrast? | reduce the risk of acute renal failure |