CMN 548 FINAL EXAM STUDY QUESTIONS
AND ANSWERS 2025 2026 UPDATE 100
PERCENT CORRECT UNIVERSITY OF
SOUTH ALABAMA TEST BANK
COLLECTION 2026 COMPLETE SOLUTIONS
GRADED A+
⩥Specificity. Answer: Identifies patients without the disease; 100%
specificity means no false positives.
⩥Sensitivity. Answer: Identifies patients with the disease; 100%
sensitivity means no false negatives.
⩥Incidence. Answer: Number of new cases of a disease during a specific
time period in a specific population.
⩥Prevalence. Answer: Number of existing cases of a disease in a
specific time in a given population.
⩥Correlation. Answer: Statistical relationship between two variables
(not causation).
⩥Alcohol detection in urine. Answer: 7-12 hours.
,⩥Marijuana detection in urine. Answer: 2-7 days.
⩥Benzodiazepines detection in urine. Answer: 3 days.
⩥Amphetamine detection in urine. Answer: 48-72 hours.
⩥Likely causes of decrease in BUN 5. Answer: Liver failure,
acromegaly, malnutrition, impaired absorption, nephrotic syndrome,
SIADH.
⩥Symptoms of elevated BUN-5. Answer: Lethargy, confusion, delirium,
convulsions, uremia.
⩥Basophils function. Answer: Phagocytic; used to identify chronic
inflammation and high blood histamine concentrations.
⩥Identify what might create a false positive blood sugar value above
140.. Answer: uncalibrated device, recent exercise, heavy smoking,
dawn phenomenon (4a-8a), steroids, pregnancy, surgical procedures,
high-stress pg 338
⩥Medications causing hypercalcemia 4. Answer: pg. 924:Excessive
Vitamin D, milk, antacids, laxative abuse,
, ⩥Chromosomal abnormality in Down Syndrome. Answer: Extra
chromosome 21.
⩥False elevation of folate. Answer: 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. Answer: Liver.
⩥Factors interfering with GTT results
8 conditions
9 meds. Answer: infectious disease
recent MI
surgery
L/D
smoking
birth control prolonged bed rest low carb diets
MEDS:
DM meds
thiazide
steroid
AND ANSWERS 2025 2026 UPDATE 100
PERCENT CORRECT UNIVERSITY OF
SOUTH ALABAMA TEST BANK
COLLECTION 2026 COMPLETE SOLUTIONS
GRADED A+
⩥Specificity. Answer: Identifies patients without the disease; 100%
specificity means no false positives.
⩥Sensitivity. Answer: Identifies patients with the disease; 100%
sensitivity means no false negatives.
⩥Incidence. Answer: Number of new cases of a disease during a specific
time period in a specific population.
⩥Prevalence. Answer: Number of existing cases of a disease in a
specific time in a given population.
⩥Correlation. Answer: Statistical relationship between two variables
(not causation).
⩥Alcohol detection in urine. Answer: 7-12 hours.
,⩥Marijuana detection in urine. Answer: 2-7 days.
⩥Benzodiazepines detection in urine. Answer: 3 days.
⩥Amphetamine detection in urine. Answer: 48-72 hours.
⩥Likely causes of decrease in BUN 5. Answer: Liver failure,
acromegaly, malnutrition, impaired absorption, nephrotic syndrome,
SIADH.
⩥Symptoms of elevated BUN-5. Answer: Lethargy, confusion, delirium,
convulsions, uremia.
⩥Basophils function. Answer: Phagocytic; used to identify chronic
inflammation and high blood histamine concentrations.
⩥Identify what might create a false positive blood sugar value above
140.. Answer: uncalibrated device, recent exercise, heavy smoking,
dawn phenomenon (4a-8a), steroids, pregnancy, surgical procedures,
high-stress pg 338
⩥Medications causing hypercalcemia 4. Answer: pg. 924:Excessive
Vitamin D, milk, antacids, laxative abuse,
, ⩥Chromosomal abnormality in Down Syndrome. Answer: Extra
chromosome 21.
⩥False elevation of folate. Answer: 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. Answer: Liver.
⩥Factors interfering with GTT results
8 conditions
9 meds. Answer: infectious disease
recent MI
surgery
L/D
smoking
birth control prolonged bed rest low carb diets
MEDS:
DM meds
thiazide
steroid
