ATI RN
Cell and Tissue Test Bank Questions Questions
Question 1 of 5
What is the primary function of goblet cells in the respiratory tract?
Correct Answer: D
Rationale: Goblet cells produce mucus to trap particles in the respiratory tract.
Question 2 of 5
Which molecule serves as a common second messenger in many intracellular signaling pathways?
Correct Answer: C
Rationale: cAMP acts as a second messenger, amplifying signals in many pathways.
Question 3 of 5
Which type of cellular transport requires energy and involves the movement of substances using transport proteins?
Correct Answer: D
Rationale: Active transport uses energy and transport proteins to move substances.
Question 4 of 5
In intracellular signaling, what is the role of second messengers?
Correct Answer: C
Rationale: Second messengers amplify and relay signals inside the cell.
Question 5 of 5
The phase of the cell cycle during which the cell is actively dividing is called:
Correct Answer: D
Rationale: The M phase includes mitosis and cytokinesis, the active division phase.