ATI RN
Cell and Tissue Questions and Answers Questions
Question 1 of 5
An acid is a substance that:
Correct Answer: A
Rationale: Acids donate H+ ions in solution, lowering pH.
Question 2 of 5
A molecule comprised to two amino acids is called a(n):
Correct Answer: A
Rationale: A dipeptide is two amino acids linked by a peptide bond.
Question 3 of 5
A dehydration synthesis reaction used to make proteins is also called
Correct Answer: A
Rationale: Dehydration synthesis links amino acids into proteins, releasing water.
Question 4 of 5
Identify the major tissue type that consists of cells tightly packed and always has a free surface.
Correct Answer: B
Rationale: Epithelial tissue has tightly packed cells with a free (apical) surface and basement membrane.
Question 5 of 5
Identify the function of microvilli.
Correct Answer: A
Rationale: Microvilli increase surface area on columnar cells for enhanced absorption (e.g., intestines).