ATI RN
Cell and Tissue Questions and Answers Questions
Question 1 of 5
Which type of muscle tissue is under involuntary control and contains intercalated discs?
Correct Answer: B
Rationale: Cardiac muscle is involuntary and has intercalated discs for coordination.
Question 2 of 5
The process by which cells communicate and respond to signals from their environment is known as:
Correct Answer: D
Rationale: Signal transduction is the process of receiving and responding to external signals.
Question 3 of 5
Tight junctions primarily function to:
Correct Answer: D
Rationale: Tight junctions seal cells together to prevent leakage between them.
Question 4 of 5
Which form of intracellular signaling involves the release of signaling molecules that affect distant target cells?
Correct Answer: D
Rationale: Endocrine signaling targets distant cells via the bloodstream.
Question 5 of 5
What is the name of the process by which cells replicate their DNA in preparation for cell division?
Correct Answer: A
Rationale: DNA replication duplicates the genome before division.