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108 Cards in this Set
- Front
- Back
what bleeding disorder test tests the extrinsic and the common pathways?
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prothrombin time (PT)
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What is the normal value for the prothrombin time test?
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11-15 seconds
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what bleeding disorder test tests the intrinsic pathway and the common pathway?
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partial prothromboplastin time (PTT)
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what is the normal value for partial prothromboplastin time?
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25-40 seconds
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what test evaluates platelet function there the normal value is <5?
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bleeding time (BT)
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what increases bleeding time?
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NSAIDS and ASA
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what is used to standardize a PT test with the normal value being 1.0-3.0?
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international normalized ratio (INR)
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what is a well-defined break in the GI mucosa that results from chronic acid-pepsin secretions?
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peptic ulcer
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80% of ulcers are found where?
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duodenum
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20% of ulcers are found where?
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stomach
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what bacteria causes stomach ulcers?
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helicobacter pylori
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what is used to treat stomach ulcers caused by helicobacter pylori?
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tetracycline or amoxicillin
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avoid giving a stomach ulcer pt what drugs?
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aspirin, NSAIDS, or corticosteroids
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what signs would you look for in the mouth of a pt who has stomach ulcers?
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fungal overgrowth (Candidiasis) during/after antibiotic use, enamel dissolution of teeth associated w/ gastric reflux
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overgrowth of yeast found in the normal oral flora that can proliferate when the flora is changed from antibiotic use
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Canidiasis (candida albicans)
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what do you use to treat canidiasis?
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antifungal drugs i.e. Nystatin
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gingival hyperplasia due to epilepsy medication
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dilantin hyperplasia
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tx for dilantin hyperplasia
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gingivectomy or medication change or both
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what causes the loss of the ability to oxidize carbohydrates in diabetes?
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faulty pancreatic activity or no response to insulin
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Etiology of diabetes (4 things)
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1. Genetic disorder (type 1 or 2)
2. destruction of the Islet cell by inflammation, cancer or surgery 3. Endocrine condition like hyperpituitarism or hyperthyroidism 4. Iatrogenic disease from glucocorticoid steroid use |
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The number of diabetic cases have increased due to increases in what?
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population, life expectancy, number of obese people
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How much of the diabetic population have type I?
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5-10%
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How much of the diabetic population has type II?
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90-95%
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signs and symptoms of diabetes
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3 P's, weight loss and strength loss, blurred vision, parathesias
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what are the 3 P's of diabetes symptoms?
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polydipsia - increased thirst
polyphagia - increased hunger polyuria - increased urination |
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diet and exercise, insulin injections, continuous infusion, and pancreatic transplant are all tx for which type of diabetes?
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type I
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diet and exercise, oral hypoglycemic meds, insulin plus oral hypoglycemic meds, insulin are treatment options for which type of diabetes?
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type II
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what are the 4 major complications from diabetes?
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blindness, kidney disease, heart disease and stroke, nerve disease and amputation
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gestational diabetes appears during pregnancy during which trimester(s)?
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2nd and 3rd
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when do you test for gestational diabetes?
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first prenatal visit then again at 24-28 weeks
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diabetes can develop secondary to what?
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pancreatic disease, hormonal disease, drugs
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gingival hyperplasia due to epilepsy medication
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dilantin hyperplasia
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tx for dilantin hyperplasia
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gingivectomy or medication change or both
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what causes the loss of the ability to oxidize carbohydrates in diabetes?
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faulty pancreatic activity or no response to insulin
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Etiology of diabetes (4 things)
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1. Genetic disorder (type 1 or 2)
2. destruction of the Islet cell by inflammation, cancer or surgery 3. Endocrine condition like hyperpituitarism or hyperthyroidism 4. Iatrogenic disease from glucocorticoid steroid use |
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The number of diabetic cases have increased due to increases in what?
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population, life expectancy, number of obese people
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How much of the diabetic population have type I?
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5-10%
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How much of the diabetic population has type II?
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90-95%
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signs and symptoms of diabetes
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3 P's, weight loss and strength loss, blurred vision, parathesias
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what are the 3 P's of diabetes symptoms?
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polydipsia - increased thirst
polyphagia - increased hunger polyuria - increased urination |
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diet and exercise, insulin injections, continuous infusion, and pancreatic transplant are all tx for which type of diabetes?
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type I
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diet and exercise, oral hypoglycemic meds, insulin plus oral hypoglycemic meds, insulin are treatment options for which type of diabetes?
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type II
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what are the 4 major complications from diabetes?
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blindness, kidney disease, heart disease and stroke, nerve disease and amputation
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gestational diabetes appears during pregnancy during which trimester(s)?
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2nd and 3rd
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when do you test for gestational diabetes?
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first prenatal visit then again at 24-28 weeks
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diabetes can develop secondary to what?
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pancreatic disease, hormonal disease, drugs
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what are some of the oral complications from diabetes?
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infection, poor healing, periodontal disease, caries, periapical abscess, candidiasis, burning mouth, xerostomia
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what are the 3 major complications of diabetes in healing?
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hyperglycemia, ketoacidosis, vascular wall cahnges resulting in vascular insufficiency
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normal fasting blood glucose level
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< 100 mg/dL
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pre-diabetes has a fasting blood glucose level of what?
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100-125 mg/dL
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do not treat pt if blood glucose level is what?
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>200 mg/dL
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three criteria used for diagnosis of diabetes mellitus
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1. symptoms of diabetes plus causal plasma glucose concentration > 200 mg/dl
2. FPG > 126 mg/dl 3. 2 hour postload glucose level > 200 mg/dl during an OGTT |
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symptoms of mild stage insulin shock
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hunger, weakness, tachycardia, pallor, sweating, paraesthesias
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symptoms of moderate stage of insulin shock
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incoherence, uncooperativeness, belligerence, lack of judgment, poor orientation
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symptoms of severe stage of insulin shock
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unconsciousness, tonic or clonic movements, hypotension, hypothermia, rapid thready pulse
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sustained abnormal elevation of arterial pressure usually asymptomatic
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hypertension
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control target bp for hypertension
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140/90
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target bp for pts with diabetes or renal disease
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130/80
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etiology for infectious mononucleosis
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epstein-barr virus
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common types of intestinal disorders
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Crohn's disease (inlammatory bowel disease - IBD)
gastritis GERD (gastric esophageal reflux disease) |
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oral manfestations of GERD
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severe erosion due to reflux of stomach acid
sensitivity of teeth burning tongue |
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is antibiotic prophylaxis before dental tx necessary for pts with artifical heart valves?
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yes - bc they are susceptible to bacterial endocarditis
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heart murmur is caused by what?
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turbulence of blood circulating through the valves and chambers of the heart
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organic heart murmurs may be caused by what?
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stenotic valve
regurgitation of blood from endocardial fibrosis (floppy incompetent valve) combination of the two MVP RHD autoimmune disease |
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are valves on the L or R side of the heart more commonly affected with murmurs?
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left
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allergies to aspirin may produce what symptoms?
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urticaria or edema
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acute atrophic candidiasis is caused from what?
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steroid asthma inhaler
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tension headaches produce pain where?
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frontal bone, occipital area, muscles of the neck
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hypertension can produce what types of headaches and pain?
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headaches in occipital area, visual disturbances, muscle aches in lower extremeties
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temporal headaches may be related to what?
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TMJ problems
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noises in the ear such as buzzing, roaring, or ringing is called what?
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tinnitus
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chronic disease of the inner ear characterized by recurrent episodes of vertigo
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Meinere's disease
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antisialogogue
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drug that reduces, slows, or prevents the flow of saliva
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frequent colds are characterized to occur how often?
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more than 3 or 4 per year
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angina pectoris suggests what?
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insufficiency of the blood supply to the heart
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increase in appetite w/ no wt gain suggests what?
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hyperthyroidism or diabetes
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decrease in appetite may suggest what?
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hepatitis, infectious mononucleosis, anorexia, depression, GI cancer, or AIDS
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most common causes of indigestion
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peptic ulcer and gall bladder disease
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what is considered frequent urination?
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> 6x a day
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how do you approach tx for a pregnant lady in 1st trimester?
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avoid elective tx, ER tx only, may perform prophy w/ visual exam
most critical time for teratogenicity development of major organs in fetus |
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which trimester is the most ideal for dentistry?
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2nd - fetus is past critical stage and mother is not too large to be uncomfortable in chair
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ASA I classification
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Normal healthy pt, no dental management alterations, no probs climbing stairs or running at least 2 min
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ASA II classification
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mild systemic disease that does not interfere w/ day-to-day activity or that has a significant health risk factor i.e. mild hypertension, type 2 diabetes, well controlled epilepsy, etc
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ASA III classification
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pt w/ moderate to severe systemic disease that is not incapacitating but may alter day-to-day activity i.e. type 1 diabetes, COPD, moderate HT, etc
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ASA IV classification
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pt w/ severe systemic disease that is constant threat to life. pt will be unable to do light activity for short period of time and may experience discomfort at rest
i.e. severe HT, liver failure, advanced AIDS, etc |
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what is a manifestation of diabetes that causes a decrease in phagocytic function of granlocytes in the area of injury and facilitates growth of microorganisms?
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hyperglycemia
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what is a manifestation of diabetes that causes a delay in migration of granulocytes in the area of injury and decreases phagocytic activity?
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ketoacidosis
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what is a manifestation of diabetes that causes a decrease in blood flow, granulocytes, and oxygen tension in injury?
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vascular wall changes resulting in vascular insufficiency
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what is the leading cause of blindness in people ages 20-74?
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diabetes
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what is the leading cause of end-stage renal disease?
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kidney disease from diabetes
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60-70% of diabetes sufferers have a mild to severe form of what?
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diabetic nerve damage
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fasting is no caloric intake for at least how long?
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8 hrs
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hypertension causes long term damage to what structures?
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heart, brain, eyes, kidneys, and blood vessels
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all calcium channel blockers, especially Nifedipine can cause what oral manifestations?
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gingival hyperplasia
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what would you do while your are working on a pt who has high blood pressure to avoid postural hypotension?
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provide gradual changes of position
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how is mono transmitted?
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by oropharyngeal route
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what is the tx for mono?
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bed rest, analgesics, aantipyretics, acyclovir, gargling with wars salty water
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what are the earliest signs of oral manifestations of mono?
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multiple red petechiae
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what are the other oral manifestations from mono?
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acute ulcerative gingivitis, pharyngeal ulcerations, exudative tonsillitis
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what are 2 types of prosthetic heart valves?
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mechanical and porcine
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what does an increased flow rate of blood, change in viscosity, narrowed valves or vessels, dilated valves or vessels, or a vibration of the valve leaflets cause?
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turbulence
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ow do you diagnose a heart murmur/determine cause of turbulent flow?
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testing
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sounds caused by turbulence in the absence of a cardiac abnormality
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functional/innocent murmur
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sounds caused by a pathologic/valvular disorder in the heart
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organic murmur
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organic/pathologic murmurs are heard most often during what?
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diastole
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reduced orifice bw heart chambers
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stenotic valve
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regurgitation of blood from endocardial fibrosis results in what?
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floppy, incompetent valve
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a III/VI diastolic murmur is heard best where?
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over the fourth rib radiating to the axilla
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