ATI RN
Cell and Tissue Test Bank Questions Questions
Question 1 of 5
What does simple columnar epithelial tissue refer to? Tissue with
Correct Answer: A
Rationale: Simple= one layer. Columnar means oblong or shaped like a column.
Question 2 of 5
Which of the following cell types denotes an immature cell?
Correct Answer: C
Rationale: The suffix "-blast" indicates that the cell is immature.
Question 3 of 5
The resting membrane potential of a cell is the consequence of which of the following concentrations of ions?
Correct Answer: C
Rationale: These ionic species are largely responsible for the membrane potential(cations are negative ions). While there is a higher concentration of Ca outside the cell than inside, there are fewer Ca than Cl ions.
Question 4 of 5
What is the purpose of the "sodium/potassium pump"
Correct Answer: D
Rationale: A concentration gradient is set up by the use of energy to move Na ions to where they are in greater concentration. This requirement for energy means choice B is wrong.
Question 5 of 5
Which of the following molecules cannot pass through the plasma membrane?
Correct Answer: C
Rationale: These hormones are not lipid soluble and too large to pass through channels.