ATI RN
Exam Questions on Cells Tissues and Organs Questions
Question 1 of 5
The shortening of chromosomes to become visible occurs during of mitosis.
Correct Answer: C
Rationale: Chromosomes condense and become visible in prophase.
Question 2 of 5
A radioactive isotope which is intentionally put into a human body for the purpose of watching it within the person and then follow metabolic functions is called a(n)
Correct Answer: C
Rationale: Radioactive tracers (e.g., iodine-131) track metabolic processes in medical imaging.
Question 3 of 5
What type of bond forms between water molecules?
Correct Answer: A
Rationale: Hydrogen bonds form between water molecules due to polarity (O-H attractions).
Question 4 of 5
Identify the 4 classes of macromolecules important to life.
Correct Answer: C
Rationale: The four macromolecules are carbohydrates, lipids, nucleic acids, and proteins.
Question 5 of 5
Fats are generally at room temperature, while oils are generally at room temperature.
Correct Answer: B
Rationale: Fats (saturated) are solid, oils (unsaturated) are liquid at room temperature.