CH 1 HW Questions

Which of the following is not involved in maintaining homeostasis?

• Lack of change
• Effector
• Control center
• Feedback

Which is NOT essential to survival?

• Water
• Atmospheric pressure
• Oxygen
• Gravity

________ is the study of structure and shape of the body

• Chemistry 
• Biology 
• Physiology
• Anatomy

The ability of the body to maintain relatively stable internal conditions is called

• metabolism
• equilibirium
• homeostasis
• positive feedback

The anatomical position is characterized by all of the following except

• thumbs pointed laterally
• arms at sides
• feet paralell
• palms facing back

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

• muscular
• endocrine
• nervous
• skeletal

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

• integumentary
• reproductive
• respiratory
• cardiovascular

A transverse plane divides the body into _______ segments

• superior and inferior
• equal right and left
• right and left
• anterior and posterior

The cheeks are _______ to the tongue

• medial 
• proximal 
• lateral
• inferior

Which of the following statements regarding feedback mechanisms is FALSE?

• Positive feedback mechanisms control infrequent events that occur "explosively."
•  Blood clotting is an example of a typical negative feedback mechanism.
• 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.