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NR507 WEEK 7 QUIZ AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE

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NR507 WEEK 7 QUIZ AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE Terms in this set (71) Diabetes Type I Pathophysiology Autoimmune-mediated: environmental-genetic factors tiggers cell-mediated destruction of pancreatic beta cells. Idiopathic or non-immune: Secondary to other disease like pancreatitis. Autoantigens bind to beta cells and circulate blood and lymph--Activation of T helper 1 + 2 lymphocytes--Macrophages with releases of IL and TNFa, T cytotoxic cells, B lymphocytes to produce islet cells autoantibodies--Destruction of beta cells with decreased insulin secretion. Diabetes Mellitus type 1 Classic Signs Polydipsia, polyuria, polyphagia, weight loss, fatigue. DM Causes Type I: Autoimmune: Environmental-Genetic predisposition Idiopathic: secondary to other disease (ex. pancreatitis) Type II: Genetic Predisposition Obesity BOTH: Lack of endogenous insulin Diabetes Insipidus Kidney Function Nephrgenic DI: inadequate response of the renal tubules to Anti Diuretic Hormone (ADH). Acquired or genetic. Gradual onset. Urine output for DI: 8-12 L/Day. DM chronic complications Neuropathy Nephropathy Retinopathy Macrovascular Disease Infection Commons signs for DM Type I and Type II Polyuria, polydipsia, fatigue. DI caused by dysfunction of: Pituitary System DI Defined The inability to concentrate urine and the production of copious amounts of dilute urine. Pancreatic, insulin secreting cells Beta cells; endocrine gland. DM End Result on cellular level Cellular starvation d/t lack of glucose in cells--liver stores of glycogen depleted-- use of fat and protein--Ketones are byproduct of fat catabolism--Diabetic Ketone Acidosis (DKA) due to ketone build up OR if less severe: Prevention of lysis of fats--No ketone formation--Hyperglycemic Hyperosmolar Nonketotic Coma (HHNK). polydipsia Excessive thirst. Elevated blood glucose--water osmotically attracted from cells into blood-- Intracellular dehydration--hypothalmic stim. of thirst. Polyuria Excessive urination. Increased blood glucose= osmotic diuretic-- amount of glucose filtered by glomerulus is greater than can be reabsorbed--glycosuria--large amounts of water lost in urine. Polyphagia Excessive hunger. Depletion of cellular stores of carbs, fats, and proteins in cellular starvation--hunger sensation. Weight Loss in DM type 1 1. Fluid loss in osmotic diuresis 2. Loss of body tissue as fat and proteins used for energy d/t insulin deficiency. Fatigue in DM type 1 1. Metabolic changes (poor use of food products) 2. Sleep loss from nocturia Retinopathy Retina: most metabolically active structure. Leading cause of blindness. Mostly type 2 due to longer hyperglycemia. Damage to retinal blood vessels and RBCs, platelet aggregation, relative hypoxemia, and HTN. Stages of Retinopathy 1. nonproliferative: thickening of retinal capillary basement membrane, increase in retinal cap perm.=macular edema, vein dilation, microaneursym form, superfic. and deep hemorrhages. 2. Preproliferative: Retinal ischemia, areas of poor perfusion=infarcts 3. Proliferative: neovascularization (angiogenesis) and fibrous tissue formation within retina or optic disc. Sorbitol in DM type 2 Excessive accumulation that causes intracellular osmotic pressure--excess water in tissues--macular edema, cataracts; decreased nerve conduction; swollen, stiff RBCs which decrease circulation. Nephropathy Diabetic kidney disease (DKD). 50% of people with DM develop DKD. glomeruli injured by protein denaturation, high renal blood flow d/t hyperglycemia, RAAS activation--intraglomerular HTN--increased protein excretion--glomerular damage--decreased GFR. Neuropathy Most common complication of DM. Nerves don't need insulin for glucose transport and are vulnerable to chronic hyperglycemia. 50% of DM type 2 have Periph Neuro. Nerve degeneration begins at peripheral and moves to spine.

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3/24/25, 6:01 NR507 Week 7 Quiz Flashcards |
PM

NR507 WEEK 7 QUIZ AND ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED LATEST UPDATE

Terms in this set (71)


Autoimmune-mediated: environmental-genetic factors tiggers cell-mediated
destruction of pancreatic beta cells.
Idiopathic or non-immune: Secondary to other disease like pancreatitis.
Diabetes Type I Pathophysiology Autoantigens bind to beta cells and circulate blood and lymph-->Activation of T
helper 1 + 2 lymphocytes-->Macrophages with releases of IL and TNFa, T cytotoxic
cells, B lymphocytes to produce islet cells autoantibodies-->Destruction of beta
cells with decreased insulin secretion.

Diabetes Mellitus type 1 Classic Signs Polydipsia, polyuria, polyphagia, weight loss, fatigue.

Type I:
Autoimmune: Environmental-Genetic predisposition
Idiopathic: secondary to other disease (ex. pancreatitis)
DM Causes Type II:
Genetic Predisposition
Obesity
BOTH: Lack of endogenous insulin

Nephrgenic DI: inadequate response of the renal tubules to Anti Diuretic Hormone
Diabetes Insipidus Kidney Function (ADH). Acquired or genetic. Gradual onset.
Urine output for DI: 8-12 L/Day.

Neuropathy
Nephropathy
DM chronic complications Retinopathy
Macrovascular Disease
Infection

Commons signs for DM Type I and Type II Polyuria, polydipsia, fatigue.

DI caused by dysfunction of: Pituitary System

The inability to concentrate urine and the production of copious amounts of dilute
DI Defined
urine.

Pancreatic, insulin secreting cells Beta cells; endocrine gland.

Cellular starvation d/t lack of glucose in cells-->liver stores of glycogen depleted--
>use of fat and protein-->Ketones are byproduct of fat catabolism-->Diabetic Ketone
DM End Result on cellular level Acidosis (DKA) due to ketone build up
OR if less severe: Prevention of lysis of fats-->No ketone formation-->Hyperglycemic
Hyperosmolar Nonketotic Coma (HHNK).

Excessive thirst.
polydipsia Elevated blood glucose-->water osmotically attracted from cells into blood--
>Intracellular dehydration-->hypothalmic stim. of thirst.

Excessive urination.
Increased blood glucose=> osmotic diuretic--> amount of glucose filtered by
Polyuria
glomerulus is greater than can be reabsorbed-->glycosuria-->large amounts of
water lost in urine.

Excessive hunger.
Polyphagia Depletion of cellular stores of carbs, fats, and proteins in cellular starvation-->hunger
sensation.


1/
8

, 3/24/25, 6:01 NR507 Week 7 Quiz Flashcards |
PM
1. Fluid loss in osmotic diuresis
Weight Loss in DM type 1
2.Loss of body tissue as fat and proteins used for energy d/t insulin deficiency.

1. Metabolic changes (poor use of food products)
Fatigue in DM type 1
2.Sleep loss from nocturia

Retina: most metabolically active structure. Leading cause of blindness.
Mostly type 2 due to longer hyperglycemia.
Retinopathy
Damage to retinal blood vessels and RBCs, platelet aggregation, relative hypoxemia,
and HTN.

1. nonproliferative: thickening of retinal capillary basement membrane,
increase in retinal cap perm.=macular edema, vein dilation, microaneursym form,
superfic. and deep hemorrhages.
Stages of Retinopathy
2.Preproliferative: Retinal ischemia, areas of poor perfusion=infarcts
3.Proliferative: neovascularization (angiogenesis) and fibrous tissue formation within
retina or optic disc.

Excessive accumulation that causes intracellular osmotic pressure-->excess water
Sorbitol in DM type 2 in tissues-->macular edema, cataracts; decreased nerve conduction; swollen, stiff
RBCs which decrease circulation.

Diabetic kidney disease (DKD).
50% of people with DM develop DKD.
Nephropathy glomeruli injured by protein denaturation, high renal blood flow d/t hyperglycemia,
RAAS activation-->intraglomerular HTN-->increased protein excretion-->glomerular
damage-->decreased GFR.

Most common complication of DM. Nerves don't need insulin for glucose transport
and are vulnerable to chronic hyperglycemia.
Neuropathy
50% of DM type 2 have Periph Neuro.
Nerve degeneration begins at peripheral and moves to spine.




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