ATI RN
Cell and Tissue Questions and Answers Questions
Question 1 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 2 of 5
What is the primary function of desmosomes in cell junctions?
Correct Answer: B
Rationale: Desmosomes provide mechanical strength to tissues.
Question 3 of 5
The process by which a cell engulfs large particles or other cells by forming vesicles is called:
Correct Answer: A
Rationale: Phagocytosis engulfs large particles or cells.
Question 4 of 5
Which of these characteristics best describes cardiac muscle tissue
Correct Answer: A
Rationale: Cardiac muscle is involuntary, striated, and found in the heart, distinguishing it from other muscle types.
Question 5 of 5
Erythrocytes
Correct Answer: B
Rationale: RBCs contain carbonic anhydrase to facilitate CO2 transport; they contribute to viscosity but don't burst in isotonic 0.9% saline.