MCN 538 Exam Bundled Exam Actual Exam
Newest 2025/2026 Complete Questions And
Correct Detailed Answers (Verified Answers)
|Brand New Version!!
Glucose - ANSWER>>the form of sugar that circulates in the blood and provides
the major source of energy for body tissues. Formed from carbohydrate digestion
and conversion of glycogen to glucose by the liver
Glycogon and insulin - ANSWER>>Two hormones that directly regulate blood
glucose
random (casual) blood glucose test - ANSWER>>glucose test that can be done any
time of the day without regard to time since last meal
fasting blood glucose - ANSWER>>measurement of blood sugar after fasting for at
least 8 hours
vital component of diabetes management
hyperglycemia - ANSWER>>high blood sugar
fasting plasma glucose levels >140 mg/dl or >7.77 mmol/L
--usually diagnostic of diabetes
What is the criteria for diagnosing diabetes? - ANSWER>>1. symptoms of +
random glucose >200mg/dl
2. fasting glucose >or = 126mg/dlat least 2 occasions
3. 2-hour (during GTT) glucse > or = 200mg/dl
4. Hemoglobin A1c > or = 6.5%
,fasting blood glucose values - ANSWER>>< or = 100mg/dl for adults
Critical fasting glucose (mg/dL) - ANSWER>><40 in women and children may cause
brain damage
<50 in men may cause coma
gestational diabetes - ANSWER>>diabetes that develops during pregnancy
2 of the following must be found with a three hour GTT
fasting >95mg/dl
1 hour >180
2 hour > 155
3 hour > 140
screen at 24-28 wks
blood urea nitrogen (BUN) - ANSWER>>blood test that measures the amount of
urea in the blood
normal adults = 6-20 mg/dl
critical if >100mg/dl
uric acid - ANSWER>>nitrogenous waste excreted in the urine
normal levels for women= 2.4-6.0 mg/dl
used in evaluation of renal failure, gout, leukemia
antidiuretic hormone (ADH) - ANSWER>>regulates water balance
secreted by posterior pituitary gland
Normal+ <2.5pg/ml or 2.3 pmol/L
2-hour postprandial test - ANSWER>>Test that compares the fasting glucose level
with the level two hours after consuming glucose; used for diabetes mellitus.
use 75 grams of glucose
IF >200 in adults = Diabetes Mellitus (DM)
, computed tomography (CT) - ANSWER>>a scanning technique using multiple X-
rays to construct three-dimensional images
DEXA scan (dual-energy x-ray absorptiometry) - ANSWER>>The most common
and preferred method of measuring bone mineral density and predict fracture
risk
low radiation exposure
What are the physiologic responses to IV contrast iodine? -
ANSWER>>Hypotension, tachycardia, arrythmias
always check BP, pulse and Resp before and after testing with IV contrast iodine
what is the First sign of impaction in elderly after barium test? -
ANSWER>>Fainting
Never give iodine contrast IV sooner than __________ min after the patient has
eaten - ANSWER>>90
Fracture risk is measured in ________________? - ANSWER>>Standard deviations
Compares the patinets bone mass to that of health 25-35 year olds
T score for osteoporosis - ANSWER>>< -2.5
T score for osteopenia - ANSWER>>between -1 and -2.5
Normal T-score - ANSWER>>> -1.0
Contraindications to DEXA scans - ANSWER>>Pregnancy, spinal deformity,
presence of orthopedic hardware, recent ingestion of calcium
Pros of DEXA Scan - ANSWER>>Well tolerated, easy to perform, greater speed,
low radiation exposure
90%accuracy
Newest 2025/2026 Complete Questions And
Correct Detailed Answers (Verified Answers)
|Brand New Version!!
Glucose - ANSWER>>the form of sugar that circulates in the blood and provides
the major source of energy for body tissues. Formed from carbohydrate digestion
and conversion of glycogen to glucose by the liver
Glycogon and insulin - ANSWER>>Two hormones that directly regulate blood
glucose
random (casual) blood glucose test - ANSWER>>glucose test that can be done any
time of the day without regard to time since last meal
fasting blood glucose - ANSWER>>measurement of blood sugar after fasting for at
least 8 hours
vital component of diabetes management
hyperglycemia - ANSWER>>high blood sugar
fasting plasma glucose levels >140 mg/dl or >7.77 mmol/L
--usually diagnostic of diabetes
What is the criteria for diagnosing diabetes? - ANSWER>>1. symptoms of +
random glucose >200mg/dl
2. fasting glucose >or = 126mg/dlat least 2 occasions
3. 2-hour (during GTT) glucse > or = 200mg/dl
4. Hemoglobin A1c > or = 6.5%
,fasting blood glucose values - ANSWER>>< or = 100mg/dl for adults
Critical fasting glucose (mg/dL) - ANSWER>><40 in women and children may cause
brain damage
<50 in men may cause coma
gestational diabetes - ANSWER>>diabetes that develops during pregnancy
2 of the following must be found with a three hour GTT
fasting >95mg/dl
1 hour >180
2 hour > 155
3 hour > 140
screen at 24-28 wks
blood urea nitrogen (BUN) - ANSWER>>blood test that measures the amount of
urea in the blood
normal adults = 6-20 mg/dl
critical if >100mg/dl
uric acid - ANSWER>>nitrogenous waste excreted in the urine
normal levels for women= 2.4-6.0 mg/dl
used in evaluation of renal failure, gout, leukemia
antidiuretic hormone (ADH) - ANSWER>>regulates water balance
secreted by posterior pituitary gland
Normal+ <2.5pg/ml or 2.3 pmol/L
2-hour postprandial test - ANSWER>>Test that compares the fasting glucose level
with the level two hours after consuming glucose; used for diabetes mellitus.
use 75 grams of glucose
IF >200 in adults = Diabetes Mellitus (DM)
, computed tomography (CT) - ANSWER>>a scanning technique using multiple X-
rays to construct three-dimensional images
DEXA scan (dual-energy x-ray absorptiometry) - ANSWER>>The most common
and preferred method of measuring bone mineral density and predict fracture
risk
low radiation exposure
What are the physiologic responses to IV contrast iodine? -
ANSWER>>Hypotension, tachycardia, arrythmias
always check BP, pulse and Resp before and after testing with IV contrast iodine
what is the First sign of impaction in elderly after barium test? -
ANSWER>>Fainting
Never give iodine contrast IV sooner than __________ min after the patient has
eaten - ANSWER>>90
Fracture risk is measured in ________________? - ANSWER>>Standard deviations
Compares the patinets bone mass to that of health 25-35 year olds
T score for osteoporosis - ANSWER>>< -2.5
T score for osteopenia - ANSWER>>between -1 and -2.5
Normal T-score - ANSWER>>> -1.0
Contraindications to DEXA scans - ANSWER>>Pregnancy, spinal deformity,
presence of orthopedic hardware, recent ingestion of calcium
Pros of DEXA Scan - ANSWER>>Well tolerated, easy to perform, greater speed,
low radiation exposure
90%accuracy
