Complete Question Bank

ATI LPN · Anatomy and Physiology · Chapter 3 Cells and Tissues Review Questions Answers

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A neuron that carries information from the peripheral nervous system to the central nervous system is

A. Afferent neuron

B. Efferent neuron

C. Both

D. None

Correct Answer: Afferent neuron

Question 2 of 5

Intravenous infusion of one litre of

A. Normal (isotonic) saline increases the ECF more than the ICF volume.

B. 10 per cent dextrose provides sufficient energy for a sedentary adult for one day.

C. A suspension of lipids provides 2-3 times the energy of a suspension of carbohydrates with the same concentration.

D. Isotonic ( 5 per cent) dextrose raises total body water by 1-5 per cent in the average adult.

Correct Answer: Normal (isotonic) saline increases the ECF more than the ICF volume.

Question 3 of 5

How many nucleotides are required to code for a single amino acid?

A. twenty

B. five

C. three

D. one

Correct Answer: three

Question 4 of 5

Paracrine signaling involves:

A. Signaling molecules that act on the same cell that produced them

B. Signaling molecules that travel through the bloodstream to distant target cells

C. Signaling molecules that act on neighboring cells

D. Signaling molecules that are released into the extracellular matrix

Correct Answer: Signaling molecules that act on neighboring cells

Question 5 of 5

Which connective tissue provides cushioning and support in various organs, such as the liver and spleen?

A. Areolar tissue

B. Adipose tissue

C. Reticular tissue

D. Dense regular tissue

Correct Answer: Areolar tissue