BIO 201 Test 1 (chapters 1-4) questions with correct answers

BIO 201 Test 1 (chapters 1-4) questions with correct answers Anatomy -Correct Answer-studies structure of body parts and how they relate to one another Gross Anatomy -Correct Answer-study of large structures surface anatomy -Correct Answer-studies structures as they relate to the surface cytology -Correct Answer-study of cells histology -Correct Answer-study of tissues embryology -Correct Answer-studies developmental changes that occur before birth chemical level -Correct Answer-atoms form to combine molecules tissues -Correct Answer-groups of similar cells that have a common function cellular level -Correct Answer-cells are made up of molecules organ level -Correct Answer-organs are made up of different types of tissues homeostasis -Correct Answer-point of dynamic (changing) equilibrium; body's ability to maintain a relatively stable internal environment despite ever changing conditions set point -Correct Answer-level/range of "normal" for whatever variable is being considered ex: blood glucose levels receptor -Correct Answer-sensor that monitors environment and responds to changes by sending information to the control center control center -Correct Answer-determines set point; analyzes input and determines appropriate response effector -Correct Answer-provides means for control center's response to the stimulus What is the correct order of the components of the loops for homeostasis? -Correct Answer-stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response Negative feedback -Correct Answer-once stimulus occurs, and the control center and effector return the body to the normal position, stimuli stop as to not over-fix the problem ex: blood glucose-once glucose levels return to normal, the stimulus for either raising blood glucose or lowering it ends Negative feedback is the most common occurrance of homeostatic balancing Positive fee