Free EDAIC Basic Sciences Questions and Answers

Question 1

Which of these elements is NOT a constituent of Carbohydrates?

Accepted Answer

Nitrogen

Answer

Carbohydrates strictly consist of Carbon, and the components of Water ('hydro') - Hydrogen & Oxygen. Hence, Carbo+Hydrate

Question 2

Another word that might describe complex carbohydrates is...

Accepted Answer

Polysaccharide

Answer

poly means "many"; a complex carbohydrate consists of many simpler carbohydrate molecules linked together.

Question 3

Carbon is the basis for carbohydrates and all other biologically important molecules. All of the following are reasons why Carbon lends itself to being the basic building block of life on our planet - except for one. Which statement is incorrect?

Accepted Answer

Carbon is a very dense & heavy element, giving living things stability.

Answer

Carbon is not so dense and heavy as to be the reason for stable biomolecules. Their stability comes from a variety of factors, including bonds, molecule shape, size & molecular mass.

Question 4

As a component of Carbohydrates, Oxygen is very important, too. Which of the following statements is incorrect about the way Oxygen behaves as part of a molecule?

Accepted Answer

The presence of oxygen in Carbohydrates makes them highly insoluble in water.

Answer

Actually, the reverse is true: Oxygen enhances a molecule's solubility in water.

Question 5

Which of these functional groups are you not going to find in a carbohydrate?

Accepted Answer

Sulfhydryl -SH

Answer

Sulfur is not a component of the Carbohydrates. It is found in some amino acids & proteins.

EDAIC - European Diploma in Anesthesiology and Intensive Care Practice Test

EDAIC - European Diploma in Anesthesiology and Intensive Care Practice Test

Free EDAIC Basic Sciences Questions and Answers