FREE Anatomy and Physiology General Concepts Questions and Answers

Question 1

Which of the following is the correct order of structural organization in the human body, from simplest to most complex?

Accepted Answer

Molecule → Cell → Tissue → Organ → Organ system → Organism

Answer

Organ system → Organ → Tissue → Cell → Molecule

Answer

Cell → Molecule → Tissue → Organ → Organism

Answer

Molecule → Tissue → Organ → Cell → Organ system

Question 2

What is homeostasis?

Accepted Answer

The ability of the body to maintain a stable internal environment

Answer

The production of energy by the body

Answer

The transport of nutrients and waste products

Answer

The division of cells for growth and repair

Question 3

Which of the following body planes divides the body into left and right halves?

Accepted Answer

Sagittal plane

Answer

Frontal (coronal) plane

Answer

Transverse (horizontal) plane

Answer

Oblique plane

Question 4

What is the primary function of mitochondria in cells?

Accepted Answer

Energy production

Answer

Protein systhesis

Answer

Genetic information storage

Answer

Detoxification

Question 5

Which feedback mechanism amplifies a physiological change rather than reversing it?

Accepted Answer

Positive feedback

Answer

Negative feedback

Answer

Neutral feedback

Answer

Hormonal feedback