ATI RN
Cells and Tissues Multiple Choice Questions Questions
Question 1 of 5
The cells responsible for the transmission of the nerve impulse are
Correct Answer: A
Rationale: Neurons transmit nerve impulses via their axons and dendrites.
Question 2 of 5
Which represents the correct sequence in ascending order of size?
Correct Answer: A
Rationale: Atoms form amino acids, which link into polypeptides, which fold into proteins (smallest to largest).
Question 3 of 5
Endoplasmic reticulum with attached ribosomes is called:
Correct Answer: D
Rationale: Rough ER has ribosomes for protein synthesis; smooth ER lacks them.
Question 4 of 5
The 'backbone' of DNA consists of repetitive sequences of phosphate and:
Correct Answer: B
Rationale: DNA's backbone is alternating phosphate and deoxyribose sugar units.
Question 5 of 5
An example of a holocrine gland would be a:
Correct Answer: D
Rationale: Sebaceous glands are holocrine, releasing entire cells with secretion; others are merocrine.