ATI RN
Cells and Tissue Multiple Choice Questions Questions
Question 1 of 5
Which cellular structure is responsible for breaking down cellular waste and debris?
Correct Answer: C
Rationale: Lysosomes contain enzymes that degrade waste materials and cellular debris.
Question 2 of 5
Which of the following is NOT a function of the endoplasmic reticulum?
Correct Answer: C
Rationale: Modifying and packaging proteins is a function of the Golgi apparatus, not the ER.
Question 3 of 5
What is the process by which a cell engulfs extracellular fluid and molecules?
Correct Answer: D
Rationale: Pinocytosis is the engulfment of fluid and dissolved molecules.
Question 4 of 5
Which structure is responsible for organizing microtubules and assisting in cell division?
Correct Answer: A
Rationale: Centrioles organize the spindle fibers for cell division.
Question 5 of 5
Which of the following is NOT a form of intracellular signaling?
Correct Answer: D
Rationale: Diurnal signaling is not a recognized form of intracellular signaling.