16TH EDITION EXAM REVIEW QUESTIONS
AND SOLUTIONS 2026 PREMIUM
⩥ Hypothesis. Answer: Idea or principle to be tested in experiments
⩥ Experiment. Answer: Series of tests of a hypothesis; a controlled
experiment eliminates biases or outside influences
⩥ Theory or Law. Answer: A hypothesis that has been proved by
experiments to have a high degree of confidence
⩥ Levels of Organization. Answer: 1. Atoms and molecules
2. Cells
3. Tissues
4. Organs
5. Systems
6. Organism
⩥ Atoms and Molecules. Answer: Chemical level
,⩥ Cells. Answer: The smallest structural units; organizations of various
chemicals
⩥ Tissues. Answer: Organizations of similar cells
⩥ Organs. Answer: Organizations of different kinds of tissues
⩥ Systems. Answer: Organizations of many different kinds of organs
⩥ Organism. Answer: Organization of all systems together, forming a
whole body
⩥ Anatomical Position. Answer: Reference position in which the body
stands erect with the arms at the sides and palms turned forward.
This position gives meaning to directional terms.
⩥ Superior. Answer: Toward the head, upper, above
⩥ Inferior. Answer: Toward the feet, lower, below
⩥ Anterior. Answer: Front, in front of
AKA Ventral
, ⩥ Posterior. Answer: Back, in back of
AKA Dorsal
⩥ Medial. Answer: Toward the mid-line
⩥ Lateral. Answer: Away from the mid-line or toward the side of a
structure
⩥ Proximal. Answer: Toward or nearest the trunk
⩥ Distal. Answer: Away from or farthest away from the trunk
⩥ Superficial. Answer: Nearer the body surface
⩥ Deep. Answer: Farther away from the body surface
⩥ Sagittal Plane. Answer: Lengthwise plane that divides a structure into
right and left sections
⩥ Midsagittal Plane. Answer: Divides body into two equal halves
⩥ Frontal Plane. Answer: AKA Coronal