Exam 2: DM Flashcards
Def: Basal Insulin
Longer acting insulin that is meant to cover the body’s basal metabolic
insulin requirement (regulating hepatic glucose production); basal
insulin controls blood glucose in the fasting state
Def: Bolus insulin
Short or rapid acting insulin which is meant to reduce glycemic
excursions after meals
Def: Diabetic ketoacidosis
Serious complication related to a deficiency of insulin and increase in
insulin counter-regulatory hormones
Def: Dipeptidyl-peptidase 4
Enzyme that rapidly degrades active incretin hormones after they are
released
Def: Euglycemia
Normal concentration of glucose in the blood. Also called normoglycemia
Def: Fasting
No eating for the past 8 or more hours
Def: Glucose
Major source of energy for the body
Def: Glycogen
The stored form of glucose in the liver and skeletal muscle
Def: Glycogenesis
The synthesis of glycogen from glucose that occurs chiefly in the livery and skeletal muscle
Def: Glycogenolysis
The conversion of glycogen to glucose in the body
Def: Gluconeogenesis
The synthesis of glucose in the body from non-carbohydrates, such as proteins and fats
Def: Hemoglobin A1C
A value that represents the percent of hemoglobin in the blood that is
glycosylated. This percent reflects the glycemic control over the past 2 to 3 months
Def: Hyperosmolar hyperglycemic state
Serious condition characterized by hyperglycemia, hyperosmolarity and dehydration and the absence of ketoacidosis that may occur in type 2 diabetes
Def: Hypoglycemia
Most common acute complication of diabetes; occurs from a relative excess of insulin in the blood and is characterized by below-normal blood glucose levels
Def: Insulin resistance
the inability of peripheral target tissues to respond properly to normal circulating concentrations of insulin
Def: Ketosis
A condition characterized by the abnormal accumulation of ketones in the body tissues and fluid
Def: Lipolysis
Breakdown of fats and lipids to fatty acids (alternative fuel source)
Def: Macrovascular disease
Large blood vessels disease; most commonly affected are the coronary arteries, the large arteries in the brain, and large arteries in the periphery
Def: Microvascular complications
Small blood vessel disease caused by long term exposure to hyperglycemia; most commonly affects the eyes, kidneys, and nerves
Def: Nocturia
Excessive urination at night
Def: Persistent albuminuria
A term that reflects when the kidney is allowing an abnormal amount of protein (> 30 μg/mg) to be filtered through the glomerulous.
Marker used in addition to serum creatinine and GFR to stage chronic
kidney disease
Def: Polydipsia
Excessive thirst
Def: Polyphagia
Excessive hunger
Def: Polyuria
Excessive urination
Abbreviation: A1c
Hemoglobin A1c
Abbreviation: ASCVD
Atherosclerotic cardiovascular disease
Abbreviation: BG
Blood glucose
Abbreviation: BGM
Blood glucose monitoring
Abbreviation: CGM
Continuous glucose monitoring
Abbreviation: CKD
Chronic kidney disease
Abbreviation: CVOT
Cardiovascular outcome trial
Abbreviation: DKA
Diabetic ketoacidosis
Abbreviation: DPP-4
Dipeptidyl-peptidase 4
Abbreviation: FPG
Fasting plasma glucose
Abbreviation: GDM
Gestational diabetes mellitus
Abbreviation: GLP-1
Glucagon-like polypeptide 1
Abbreviation: hHF
Hospitalization for heart failure
Abbreviation: HHS
Hyperosmolar hyperglycemic state
Abbreviation: IFG
Impaired fasting glucose
Abbreviation: IGT
Impaired glucose tolerance
Abbreviation: MACE
Major adverse cardiovascular event
Abbreviation: OGTT
Oral glucose tolerance test
Abbreviation: PPG
Post prandial glucose
Abbreviation: SGLT-2
Sodium-glucose contransporter 2
Abbreviation: T1DM
Type 1 diabees
Abbreviation: T2DM
Type 2 diabetes
Abbreviation: TIR
Time in range
Abbreviation: UACR
Urine albumin to creatinine ratio
3 Hormones that control blood glucose
- Pancreatic hormones
- Counter-regulatory hormones
- Gut-derived hormones
Def: Pancreas
Glandular organ that secretes digestive enzymes and hormones
Pancreas: Plays a fundamental role in ___ and ____
Digestion and food energy utilization
Def: Exocrine
Digestion break down
Def: Endocrine
Regulates immediate utilization and storage of food energy
Pancreas: Endocrine function: Alpha cells
Secrete glucagon
Effect the breakdown of liver glycogen and increase glucose levels in the blood
Pancreas: Endocrine function: Beta cells
Secrete insulin and amylin
Increase uptake of glucose into cells and facilitate conversion of glucose to glycogen in the liver
Insulin is a(n) ____ hormone
anabolic
Insulin is a key regulatory hormone of ______
glucose disappearance
Insulin secretion is regulated by __ and ___ hormones
Glucose and incretin
Insulin is ___ during absorptive state and ____ during post-absorptive state
Increased and decreased
Insulin effects in liver, muscle, and adipose tissues
Inhibits hepatic glucose production and glucagon secretion
stimulate glycogenesis in liver
stimulates glucose uptake in muscle fat tissue
Amylin co-secreted with insulin in response to ___
nutrient stimuli
Amylin inhibits:
postprandial glucose excursions
- suppresses digestive secretions
- slows gastric emptying
Glucagon is a(n) ___ hormone
catabolic
Glucagon is a key regulatory hormone of ____
glucose appearance
T/F: Glucagon works antagonistically to insulin
True
Glucagon release is inhibited by
Increased glucose levels and presence of fatty acids and ketones
Glucagon release is stimulated by
decreased glucose levels and presence of amino acids
Def: Counter-regulatory hormones
Counteract the storage functions of insulin in regulating blood glucose levels during periods of fasting, exercise, stress, and other situations that either limit glucose intake or deplete glucose stores
4 Counter-regulatory hormones
Glucagon
Epinephrine
Growth hormone
Cortisol
4 Counter-regulatory hormones
Glucagon
Epinephrine
Growth hormone
Cortisol
Counter-regulatory Hormones: What does glucagon do?
Promotes gluconeogenesis and glycogenolysis, increases release of fatty acids from adipose cells
Counter-regulatory Hormones: What does epinephrine do?
Increases the use of fat for energy, promotes glycogenolysis, inhibits insulin release
Counter-regulatory Hormones: What does growth hormones do?
decreases the peripheral use of glucose
Counter-regulatory Hormones: What does cortisol do?
critical during periods of fasting and starvation, increase gluconeogenesis
Function of Gut: Oral ingestion of food stimulates release of ____ from _____
incretin hormones from the small intestine
Function of gut: ____ released from L cells of ileum and colon
GLP-1
Function of gut: ___ released from K cells of duodenum
GIP
2 Intestinal hormones
GIP and GLP-1
Intestinal hormones: GIP: acts at ___
B-cell
Intestinal hormones: GIP: Effects
Enhances glucose-dependent insulin secretion
May act as an insulin sensitizer in adipocytes
GIP has NO effect on glucagon secretion, gastric motility, or satiety
Intestinal hormones: GLP-1: Acts at ___
Alpha and B-cells
Intestinal hormones: GLP-1: Effects
Enhances glucose-dependent insulin secretion
Suppresses glucagon secretion
Slows gastric emptying
Has satiety effect on the brain
Def: Diabetes
Chronic, progressive metabolic disorder characterized by abnormalities in the ability to metabolize carbohydrate, fat, and protein, leading to a hyperglycemic state
Diabetes: How many with diabetes
37.3 million
Diabetes: how many with prediabetes
96 million
Diabetes: National diabetes statistics: How many Americans diagnosed every year
1.4 million
T/F: racial and ethnic minorities continue to develop diabetes at lower rates
False - HIGHER rates
T/F: New diabetes cases higher in non-Hispanic black and people of Hispanic origin
True
T/F: Less people are developing diabetes during their youth
False - MORE
Diabetes: Accepted terminology key points
Type 1 and Type 2 diabetes
DO NOT USE: roman numerals, “insulin dependent” “non-insulin dependent” diabetes, “adult-onset” “juvenile-onset” diabetes, diabetic
Diabetes etiologic classification: Type 1 diabetes
Autoimmune B-cell destruction, usually leading to absolute insulin deficiency
Diabetes etiologic classification: Type 2 diabetes
Progressive loss of B-cell insulin secretion frequently on the background of insulin resistance
Diabetes etiologic classification: Gestational diabetes (GDM)
Diabetes that is first diagnosed in the 2nd or 3rd trimester that is not clearly pre-existing type 1 or type 2 diabetes
Diabetes etiologic classification: Other causes
genetic defects
disease of the exocrine pancreas (cystic fibrosis, pancreatitis)
Drug-induced hyperglycemia
Pathophysiology of T1DM: Defect in pancreatic B-cell function»_space;
Pancreatic B-cell fxn»_space; deficiency of insulin/amylin
Pathophysiology of T1DM: Relative increase in ___ and its effects
glucagon; disequilibrium is created with insulin
Pathophysiology of T1DM: Increase in BG fails to ______
suppress production of glucagon
Pathophysiology of T1DM: Effects metabolism of ____
fat, protein, and CHOs