ATI RN
Questions on Cells Tissues and Organs Questions
Question 1 of 5
The neuron is made up of all of the following EXCEPT:
Correct Answer: D
Rationale: Synapse is a junction between neurons, not a part of a single neuron.
Question 2 of 5
Keratin is a waterproofing protein found in epithelial cells
Correct Answer: A
Rationale: Keratin provides waterproofing in epithelial cells.
Question 3 of 5
Each of the following statements concerning the microvilli is true, EXCEPT:
Correct Answer: B
Rationale: Microvilli contain microfilaments (actin), not microtubules, so B is incorrect while other statements are true.
Question 4 of 5
The appendages of the skin:
Correct Answer: B
Rationale: Skin appendages like hair and glands originate from the epidermis.
Question 5 of 5
Regarding muscles, which is true?
Correct Answer: D
Rationale: Cardiac muscle fibers are short, branched, mononuclear, and striated.