ATI RN
Chapter 3 Cells and Tissues Review Questions Answers Questions
Question 1 of 5
Intravenous infusion of one litre of
Correct Answer: A
Rationale: Normal saline (0.9%) expands ECF primarily as Na+ stays extracellular.
Question 2 of 5
Which of the following does not lose their nucleus at maturity?
Correct Answer: A
Rationale: Companion cells are elongated, thin walled, living cells with cytoplasm and a nucleus. Red blood cells, vessels, and sieve tube cells lose their nuclei at maturity.
Question 3 of 5
The process by which a less specialized cell matures into a more specialized cell is called
Correct Answer: A
Rationale: Differentiation is the process where unspecialized cells become specialized to perform specific functions.
Question 4 of 5
In bone, the main cells are
Correct Answer: D
Rationale: Osteocytes are the primary cells in bone, maintaining the bone matrix.
Question 5 of 5
The number of protons in an atom is given by the:
Correct Answer: B
Rationale: The atomic number defines the number of protons, unique to each element.