ATI RN
Exam Questions on Cells Tissues and Organs Questions
Question 1 of 5
Which of the following helps in repair of tissue and fills up the space inside the organ?
Correct Answer: C
Rationale: Areolar is connective tissue in animal's body between skin and muscles, around blood vessels and nerves, and in the bone marrow which fills the space in the organs, supports internal organs and repair tissues.
Question 2 of 5
Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably
Correct Answer: D
Rationale: Hyaline cartilage has cells (chondrocytes) in lacunae scattered within a transparent matrix, unlike the fibrous structure of tendons or loose connective tissue.
Question 3 of 5
When a mast cell reacts to an irritation, which of the following chemicals does it release?
Correct Answer: B
Rationale: Mast cells release histamine, triggering inflammation and allergic responses.
Question 4 of 5
Which is not a component of a nucleic acid?
Correct Answer: D
Rationale: Nucleic acids (DNA/RNA) include a sugar, phosphate, and bases (purine/pyrimidine), not glycerol (found in lipids).
Question 5 of 5
Which of the following is classified as a disaccharide?
Correct Answer: D
Rationale: Lactose is a disaccharide (glucose + galactose); others are monosaccharides.