ATI RN
Exam Questions on Cells Tissues and Organs Questions
Question 1 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 2 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 3 of 5
Which of the following is classified as a disaccharide?
Correct Answer: D
Rationale: Lactose is a disaccharide (glucose + galactose); others are monosaccharides.
Question 4 of 5
The primary function of mitochondria is the:
Correct Answer: C
Rationale: Mitochondria produce ATP via oxidative phosphorylation in cellular respiration.
Question 5 of 5
If one strand of a DNA molecule has the base sequence ACGGCAC, the other strand will have the sequence:
Correct Answer: D
Rationale: Complementary strand: TGCCGTG (A-T, C-G pairing); UGCCGUG is RNA, not DNA.