CC CHECKPOINT

Composition of Carbohydrates

all of the following are functions of CHO except

Sugar is also known as Levulose

Glycogen is stored in

Storage form of glucose in plants

Pentoses (5 Carbon Sugar) are sugar found in nucleic acids

Example of a Pentose

Forms the exoskeleton of arthropods

Principal sugar in the blood

Most important consumer of glucose

Endogenous non-glucose source of glucose

Carbahohydrate digestion is started by

Also known as pancreatic amylase?

also known as salivary amylase

No carbohydrate digestion occurs in the stomach due to the acidic pH

Alkaline pH of intestines enable the carbohydrate digestion through

Metabolism of hexose on the blood results to the following EXCEPT

Processes involved Carbohydrate Metabolism

Processes that decrease blood glucose

Processes that increase blood glucose

Metabolism of glucose molecule to form pyruvate or lactate to energy

Conversion of glucose to glycogen

Formation of Glucose-6-Phosphate from non carbohydrate sources

Insulin is produced by the

Glucagon is produced by the

Action of insulin

Action of Glucagon

Hormone that increases blood glucose

Hormone that decreases blood glucose

Other hormones that increase blood glucose EXCEPT

Which of the following specimen is not acceptable for glucose determination

conversion factor of whole blood glucose level to serum / plasma glucose levels

All are true EXCEPT

Which of the following anticoagulants is best used for glucose analysis?

What is the function of sodium fluoride in grey top?

What is the function of Potassium oxalate in grey top?

Which is a WEAK anti-coagulant?

Which of the following is the reference method for glucose analysis?

Glucose analysis includes enzymatic and non enzymatic methods. NON- ENZYMATIC METHODS includes. : 1) COPPER REDUCTION METHOD wherein reducing sugars decreases the oxidation state of cupric ions to cuprous ions. Amount of cupric ions reduced to cuprous ions is [blank_start]directly[blank_end] proportional to reducing sugars present. Then, cuprous ions are quantified using the following methods a) [blank_start]Folin Wu[blank_end] b) Nelson Somgyi c) Neocuproine Method. 2) FERRIC REDUCTION METHOD also known as [blank_start]HAGEDORN JENSEN METHOD[blank_end] is a negative or inverse colorimetry. The reagent used is a hot alkaline solution of ferricyanide. Reducing sugars can reduce ferricyanide to ferrocyanide. Reduction is accompanied by disappearance of color from [blank_start]yellow[blank_end] to colorless at [blank_start]400 nm[blank_end]. Reduction in color is related to glucose concentration. 3) CONDENSATION METHOD also known as O-TOLUIDINE / [blank_start]DUBOWSKI METHOD[blank_end]. Reagents used are: O-toluidine, glacial acetic acid and 100 C heat. A positive result is a [blank_start]bluish green[blank_end] color measured at [blank_start]620-630 nm[blank_end].

In non enzymatic methods, Copper Reduction method is quantified using 3 common methods. Which of the following does not belong?

This method is not specific for glucose since other carbohydrates such as fructose and galactose are also non-reducing sugars

Cuprous ions (in Copper Reduction Method for Glucose Analysis) is quantified using the reagent phosphomolybate producing a postive: phosphomolybdenum blue

Cuprous ions (in Copper Reduction Method for Glucose Analysis) is quantified using the reagent arsenomolybdate producing a arsenomolybdenum blue

Cuprous ions (in Copper Reduction Method for Glucose Analysis) is quantified using Neocuproine Method. What is the positive result?

What method is not specific for glucose?