ATI RN
Questions About Cells and Tissues Questions
Question 1 of 5
Which process involves the movement of water molecules from an area of lower solute concentration to an area of higher solute concentration?
Correct Answer: A
Rationale: Osmosis moves water across a membrane toward higher solute concentration.
Question 2 of 5
What is the function of gap junctions in cell communication?
Correct Answer: B
Rationale: Gap junctions facilitate direct electrical signal transfer.
Question 3 of 5
During which phase of mitosis do chromosomes condense, and the nuclear envelope begins to break down?
Correct Answer: A
Rationale: Prophase involves chromosome condensation and nuclear envelope breakdown.
Question 4 of 5
The epithelial tissue found in areas subject to considerable friction and abuse, such as the esophagus, is:
Correct Answer: D
Rationale: Stratified squamous epithelium, with multiple layers, protects areas like the esophagus from friction and wear.
Question 5 of 5
Blood platelets assist in arresting bleeding by
Correct Answer: B
Rationale: Platelets aggregate at injury sites, adhering to collagen to form plugs, and release clotting factors and vasoconstrictors like serotonin.