A&P Exam 1

_______ is the study of the structure and shape of the body.

• 
  Biology

• Physics

• Physiology

• Anatomy

The ability of the body to maintain a relatively stable internal environment is referred to as _______.

• metabolism

• homeostasis

• equilibrium

• negative feedback

Which body system is most closely associated with the support and protection of the body organs?

• Endocrine

• Nervous

• Lymphatic

• Skeletal

Which body system is most closely associated with transport and delivery?

• Integumentary

• Nervous

• Cardiovascular

• Respiratory

Which of the following statements regarding feedback mechanisms is FALSE?

• Blood clotting is an example of a typical negative feedback mechanism.

• Positive feedback mechanisms control infrequent events that occur "explosively."

• In negative feedback mechanisms, the net effect of the responses to the stimulus is to shut off the original stimulus or reduce its intensity.

• Positive feedback mechanisms tend to increase the original stimulus and to push the variable farther from its original value.

Metabolism is _______.

• the ability to sense changes (stimuli) in the environment and then to react to them

• the term that refers only to the process of breaking down ingested food into simple molecules that can then be absorbed into the blood for delivery to all body cells

• a broad term that refers to all the chemical reactions that occur in the body

• a term that refers to the chemical reactions in which large molecules are broken down into smaller ones

The _______ is the body's slow-acting control system and acts by means of _______.

• nervous system; electrical and chemical signals

• muscular system; contraction

• endocrine system; hormones

• nervous system; hormones

Place the following in correct sequence from simplest to most complex:

(1) Molecules; (2) Atoms; (3) Tissues; (4) Cells; (5) Organs

• 5-4-3-2-1

• 1-2-3-4-5

• 2-1-4-3-5

• 2-1-3-4-5

Which of the following is NOT a necessary life function?

• Responsiveness

• Thinking

• Movement

• Maintaining boundaries

Which of the following statements is FALSE?

• An organ is made up of two or more tissue types.

• Atoms are the building blocks of matter, and combine to form molecules.

• Organ systems make up the living body or the organism.

• The digestive system, reproductive system, and endocrine system are examples of organs.