ATI RN
Chapter 3 Cells and Tissues Review Questions Answers Questions
Question 1 of 5
The molecule that body cells use as an immediate source of energy is:
Correct Answer: D
Rationale: Glucose is the primary energy source for cellular respiration.
Question 2 of 5
A hydrolysis reaction that breaks down macromolecules is also called
Correct Answer: B
Rationale: Hydrolysis degrades macromolecules into monomers by adding water.
Question 3 of 5
Epithelial tissue receives nutrients from the the epithelial tissue.
Correct Answer: C
Rationale: Epithelium is avascular; nutrients diffuse from underlying connective tissue's blood vessels.
Question 4 of 5
Identify the function of keratin.
Correct Answer: C
Rationale: Keratin, in stratified squamous epithelium (e.g., skin), waterproofs and protects.
Question 5 of 5
Identify the tissue type that forms the framework of the outer ear?
Correct Answer: C
Rationale: Elastic cartilage, flexible with elastin, shapes the outer ear.