Stage N2 comprises approximately _______ of total sleep time, whereas REM comprises ________.

Stage N3 is defined as:

A slow wave must have the following criteria.

REM staging ends with:

Sleep spindles can be seen in Stages N2 and N3.

Spindles can exist during Stage N3.

Sleep spindles have a frequency of:

Slow waves are primarily seen in the ________ region, whereas Alpha is seen primarily in _________.

SHORT ESSAY QUESTIONS Please answer 2 of the following 3 short answer questions. You will not get extra credit for answering all 3. To start, please select one short essay question and write your response in the text box below. Please indicate which essay (providing the number is fine) you are answering. No citations are required in your answers as you are not allowed to access materials.  One question should be answered in question 41 textbox and one question should be answered in question 42 textbox.  Compare and contrast the traditional or “helicopter” model of research to a community-based participatory research (CPBR) approach. What are the benefits and drawbacks of each method? Name at least 2 benefits and 2 drawbacks for each approach.  Given all that you have learned in module 11 on health disparities, underlying causes of health disparities, the risk & protective factors model, high risk populations, and racism as a public health issue, select a health condition for which there are known health disparities. First, identify the health condition you have selected and identify a population at high risk for this health condition. Then, discuss why this condition constitutes a health disparity. Finally, discuss two risk factors that contribute to this health disparity. You have been given transcripts from recent focus groups. Your supervisor wants to know the main aspects discussed. Explain, using qualitative data analysis methods (step-by-step) how you would complete this task, using the terms: themes, categories, codes, as well as explaining how you would “physically” manage the data throughout the process. 

A group of 8th graders has a mean weight of 108 lbs, standard deviation of 11 lbs.  If a randomly chosen student weighs 126 lbs, would their weight be considered usual or unusual?  1.  Calculate the z-score 2.  State if the weight would be usual/unusual 3.  Justify your answer.