ATI RN
Exam Questions on Cells Tissues and Organs Questions
Question 1 of 5
The destruction of a protein's shape caused by heat or pH changes is called
Correct Answer: A
Rationale: Denaturation disrupts a protein's shape, impairing function.
Question 2 of 5
The specialized cell found in simple and pseudostratified columnar epithelium that produces mucus is the
Correct Answer: B
Rationale: Goblet cells secrete mucus in columnar epithelia, lubricating and protecting surfaces.
Question 3 of 5
Identify the three types of cartilage.
Correct Answer: D
Rationale: Cartilage types are hyaline (smooth), elastic (flexible), and fibrocartilage (tough).
Question 4 of 5
Identify the three types of muscle tissue.
Correct Answer: A
Rationale: Muscle types are cardiac, skeletal, and smooth, each with distinct roles.
Question 5 of 5
Identify the extracellular junction that allows ions and small molecules to pass between two cells.
Correct Answer: B
Rationale: Gap junctions allow direct communication via channels between cells.