CMN 548 Module 2 SG Exam
Fasting glucose - Correct Answers -Glucose level after 8 hours of fasting.
Specificity - Correct Answers -Identifies patients without the disease; 100% specificity
means no false positives.
Sensitivity - Correct Answers -Identifies patients with the disease; 100% sensitivity
means no false negatives.
Incidence - Correct Answers -Number of new cases of a disease during a specific time
period in a specific population.
Prevalence - Correct Answers -Number of existing cases of a disease in a specific time
in a given population.
Correlation - Correct Answers -Statistical relationship between two variables (not
causation).
Alcohol detection in urine - Correct Answers -7-12 hours.
Marijuana detection in urine - Correct Answers -2-7 days.
Benzodiazepines detection in urine - Correct Answers -3 days.
Amphetamine detection in urine - Correct Answers -48-72 hours.
Likely causes of decrease in BUN 5 - Correct Answers -Liver failure, acromegaly,
malnutrition, impaired absorption, nephrotic syndrome, SIADH.
Symptoms of elevated BUN-5 - Correct Answers -Lethargy, confusion, delirium,
convulsions, uremia.
Basophils function - Correct Answers -Phagocytic; used to identify chronic inflammation
and high blood histamine concentrations.
Identify what might create a false positive blood sugar value above 140. - Correct
Answers -uncalibrated device, recent exercise, heavy smoking, dawn phenomenon (4a-
8a), steroids, pregnancy, surgical procedures, high-stress pg 338
Medications causing hypercalcemia 4 - Correct Answers -pg. 924:Excessive Vitamin D,
milk, antacids, laxative abuse,
, Chromosomal abnormality in Down Syndrome - Correct Answers -Extra chromosome
21.
False elevation of folate - Correct Answers -VitB12 deficiency because B12 is needed to
allow incorporation of folate into tissue cells. >50% pts with megaloblastic anemia have
B12 deficiency rather than folate
Folate storage in the body - Correct Answers -Liver.
Factors interfering with GTT results
8 conditions
9 meds - Correct Answers -infectious disease
recent MI
surgery
L/D
smoking
birth control prolonged bed rest low carb diets
MEDS:
DM meds
thiazide
steroid
estrogen
heparin
nicotinic acid, phenothiazines, lithium
metyrapone
Conditions causing elevated hemoglobin (HbA2) 6 - Correct Answers -Thalassemia
sickle cell disease, megaloblastic anemia, hyperthyroidism
VB12 / folate deficiency
Psychiatric symptoms of hypothyroidism - Correct Answers -depression and psychosis
Educating patients on 'normal' lab results + factors effecting labs (3) - Correct Answers -
Normal values fall within 2 standard deviations of the mean for the normal population
Where 95% of people would fall.
Fasting more accurate.
Lab dependent.
Posture can affect values.
Fasting glucose - Correct Answers -Glucose level after 8 hours of fasting.
Specificity - Correct Answers -Identifies patients without the disease; 100% specificity
means no false positives.
Sensitivity - Correct Answers -Identifies patients with the disease; 100% sensitivity
means no false negatives.
Incidence - Correct Answers -Number of new cases of a disease during a specific time
period in a specific population.
Prevalence - Correct Answers -Number of existing cases of a disease in a specific time
in a given population.
Correlation - Correct Answers -Statistical relationship between two variables (not
causation).
Alcohol detection in urine - Correct Answers -7-12 hours.
Marijuana detection in urine - Correct Answers -2-7 days.
Benzodiazepines detection in urine - Correct Answers -3 days.
Amphetamine detection in urine - Correct Answers -48-72 hours.
Likely causes of decrease in BUN 5 - Correct Answers -Liver failure, acromegaly,
malnutrition, impaired absorption, nephrotic syndrome, SIADH.
Symptoms of elevated BUN-5 - Correct Answers -Lethargy, confusion, delirium,
convulsions, uremia.
Basophils function - Correct Answers -Phagocytic; used to identify chronic inflammation
and high blood histamine concentrations.
Identify what might create a false positive blood sugar value above 140. - Correct
Answers -uncalibrated device, recent exercise, heavy smoking, dawn phenomenon (4a-
8a), steroids, pregnancy, surgical procedures, high-stress pg 338
Medications causing hypercalcemia 4 - Correct Answers -pg. 924:Excessive Vitamin D,
milk, antacids, laxative abuse,
, Chromosomal abnormality in Down Syndrome - Correct Answers -Extra chromosome
21.
False elevation of folate - Correct Answers -VitB12 deficiency because B12 is needed to
allow incorporation of folate into tissue cells. >50% pts with megaloblastic anemia have
B12 deficiency rather than folate
Folate storage in the body - Correct Answers -Liver.
Factors interfering with GTT results
8 conditions
9 meds - Correct Answers -infectious disease
recent MI
surgery
L/D
smoking
birth control prolonged bed rest low carb diets
MEDS:
DM meds
thiazide
steroid
estrogen
heparin
nicotinic acid, phenothiazines, lithium
metyrapone
Conditions causing elevated hemoglobin (HbA2) 6 - Correct Answers -Thalassemia
sickle cell disease, megaloblastic anemia, hyperthyroidism
VB12 / folate deficiency
Psychiatric symptoms of hypothyroidism - Correct Answers -depression and psychosis
Educating patients on 'normal' lab results + factors effecting labs (3) - Correct Answers -
Normal values fall within 2 standard deviations of the mean for the normal population
Where 95% of people would fall.
Fasting more accurate.
Lab dependent.
Posture can affect values.
