Clinical Chemistry 1 – CSMLS
questions
and answers latest top score.
Maltose is made of which two monosaccharides? CORRECT ANSWER.glucose
and glucose
Lactose is made of which two monosaccharides? CORRECT ANSWER.galactose
and glucose
Sucrose is made of which two monosaccharides? CORRECT ANSWER.fructose
and glucose
What is the role of adrenaline in insulin regulation? CORRECT
ANSWER.Stimulates hepatic gluconeogenesis and glycogenolysis, increases
blood glucose, inhibits insulin.
What is the role of glucagon in insulin regulation? CORRECT ANSWER.Insulin
antagonist, increases blood glucose.
Inhibits glycolysis and increases gluconeogenesis.
What are the roles of growth hormone and ACTH in insulin regulation?
CORRECT ANSWER.Insulin antagonists, increases blood glucose.
What are the roles of glucocorticoids (ex: cortisol) in insulin regulation?
CORRECT ANSWER.Insulin antagonist, increases blood glucose.
Is sucrose a reducing sugar? CORRECT ANSWER.No.
Is glycogen a reducing sugar? CORRECT ANSWER.No.
, What is the name of the enzyme that hydrolyzes starch? CORRECT
ANSWER.Amylase.
What is the renal threshold of glucose? CORRECT ANSWER.10.0 mmol/L
What are some causes of fasting hypoglycemia? CORRECT ANSWER.-Drugs
(sulfonylureas, alcohol, salicylate poisoning)
-Insulinoma
-Hyposecretion of insulin antagonists (hypopituitarism, Addison's disease
-Severe liver dysfunction (can't produce glucose)
-Enzyme defects (glucose-6-phospate deficiency, galactosemia)
What would the fasting blood glc level be in hypoglycaemia? CORRECT
ANSWER.<2.5 mmol/L
What would the fasting blood glc result be in hyperglycaemia? CORRECT
ANSWER.>7.0 mmol/L
What are the criteria for diagnosing DM? CORRECT ANSWER.Symptoms of
diabetes PLUS:
1: random glc of ≥11.1
mmol/L or
2. fasting vlc of ≥7.0
mmol/L or
3. OGTT test of ≥11.1 mmol/L
What is the expected normal fasting blood glucose level? CORRECT ANSWER.<6.1
mmol/L
What does a HbA1c tell you? CORRECT ANSWER.Long-term control of DM (8-12
weeks) Should be <6% in a person without diabetes, aim for <7% in DM
What does a fructosamine test tell you? CORRECT ANSWER.Glycemic control for 2-
3 week period.
What are the three ketones associated with diabetic ketoacidosis? CORRECT
ANSWER.Acetone
Acetoacetic acid
Hydroxybutyric
acid
At what rate does blood glucose change if a specimen was left
uncentrifuged at room temperature? CORRECT ANSWER.glucose decreases by
~7%/hour
Which will have a higher glc: arterial or venous blood? CORRECT ANSWER.Arterial.
CSF has approximately what percent of plasma glucose
concentration? CORRECT ANSWER.60-70%
questions
and answers latest top score.
Maltose is made of which two monosaccharides? CORRECT ANSWER.glucose
and glucose
Lactose is made of which two monosaccharides? CORRECT ANSWER.galactose
and glucose
Sucrose is made of which two monosaccharides? CORRECT ANSWER.fructose
and glucose
What is the role of adrenaline in insulin regulation? CORRECT
ANSWER.Stimulates hepatic gluconeogenesis and glycogenolysis, increases
blood glucose, inhibits insulin.
What is the role of glucagon in insulin regulation? CORRECT ANSWER.Insulin
antagonist, increases blood glucose.
Inhibits glycolysis and increases gluconeogenesis.
What are the roles of growth hormone and ACTH in insulin regulation?
CORRECT ANSWER.Insulin antagonists, increases blood glucose.
What are the roles of glucocorticoids (ex: cortisol) in insulin regulation?
CORRECT ANSWER.Insulin antagonist, increases blood glucose.
Is sucrose a reducing sugar? CORRECT ANSWER.No.
Is glycogen a reducing sugar? CORRECT ANSWER.No.
, What is the name of the enzyme that hydrolyzes starch? CORRECT
ANSWER.Amylase.
What is the renal threshold of glucose? CORRECT ANSWER.10.0 mmol/L
What are some causes of fasting hypoglycemia? CORRECT ANSWER.-Drugs
(sulfonylureas, alcohol, salicylate poisoning)
-Insulinoma
-Hyposecretion of insulin antagonists (hypopituitarism, Addison's disease
-Severe liver dysfunction (can't produce glucose)
-Enzyme defects (glucose-6-phospate deficiency, galactosemia)
What would the fasting blood glc level be in hypoglycaemia? CORRECT
ANSWER.<2.5 mmol/L
What would the fasting blood glc result be in hyperglycaemia? CORRECT
ANSWER.>7.0 mmol/L
What are the criteria for diagnosing DM? CORRECT ANSWER.Symptoms of
diabetes PLUS:
1: random glc of ≥11.1
mmol/L or
2. fasting vlc of ≥7.0
mmol/L or
3. OGTT test of ≥11.1 mmol/L
What is the expected normal fasting blood glucose level? CORRECT ANSWER.<6.1
mmol/L
What does a HbA1c tell you? CORRECT ANSWER.Long-term control of DM (8-12
weeks) Should be <6% in a person without diabetes, aim for <7% in DM
What does a fructosamine test tell you? CORRECT ANSWER.Glycemic control for 2-
3 week period.
What are the three ketones associated with diabetic ketoacidosis? CORRECT
ANSWER.Acetone
Acetoacetic acid
Hydroxybutyric
acid
At what rate does blood glucose change if a specimen was left
uncentrifuged at room temperature? CORRECT ANSWER.glucose decreases by
~7%/hour
Which will have a higher glc: arterial or venous blood? CORRECT ANSWER.Arterial.
CSF has approximately what percent of plasma glucose
concentration? CORRECT ANSWER.60-70%
