Anatomy and Cell Biology 2221 Lecture Notes - Lecture 5: Body Composition, Dual-Energy X-Ray Absorptiometry, Human Body Weight

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greenrabbit54

26 Oct 2012

School

Western University

Department

Anatomy and Cell Biology

Course

Anatomy and Cell Biology 2221

Professor

Eric Ball

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Document Summary

Midterm mostly mc, covers up to lect 5, case study questions, calculator req"d, 2 hours, classroom or the auditorium (watch out for owl), ask about symptoms referring to specific diseases / class notes. #80 overview of the gi tract and related conditions. Interpretation of the parameters: ethnic variations, familial variations, environmental. Eva of body size / wt / proportions. Comparison of data over time (e. g. height of a child at year 3 to year 5: rate of growth (ht / wt, estimate nutritional adequacy. Stunting (short status: may reflect lt malnutrition, ht is not easily affected as wt does. Parallax (being at eye-level when measuring the height of the person) may occur if not in line with the person"s eye level. Indirect measurements: for patients who have difficulty standing (i. e. bed/chair-bound, icu, paralysis) Wasting: may reflect recent, st malnutrition or dehydration. Calculations -> do not have to memorize this formula.

Related Questions

You have been recruited to do an community nutrition epidemiological study.

1) Create a hypothetical study (nutrition related study. For example Diabetes).

2) What is the population you will be studying (be specific)?

3) What type of epidemiological study will you perform (i.e. cohort, experimental)?

4) Form a hypothesis and describe how you would test the hypothesis.

5) Describe why you chose your study and

6) what interpretations could be obtained from hypothetical results.

Describe the historical pattern of growth of the worldwide human population since our origin. Include in this historic overview the changes that have happened technologically, medically, culturally and nutritionally to result in major population changes over time. Relate the growth of the human population to our ecological footprint and explain the idea of limits to population growth known as the carrying capacity. Relative to carrying capacity, what may result from unbridled continued growth of our population? How does the size of the human population contribute to environmental degradation? Why must we take the human population size into account when we attempt to develop environmental restoration projects?

salmonclam110

300 words min/500 words max

During our classroom discussion on evolution, we emphasized three requirements for natural selection: variation for a trait in a population, heritability of a trait, and differential reproductive success.

It is suggested that humans are evolving with respect to two traits that likely are favored by natural selection: HIV resistance and Height

Although human height is influence by both genetic and environmental factors â Human height is clearly variable. Human height has increased substantially over the past three decades. In certain populations, those changes seem to be due to evolution rather than improved nutrition and medical care.

Addressing the requirements for natural selection â Are humans evolving with respect to height?

NOTE: You may use any creditable resource to address this question

Anatomy and Cell Biology 2221 Lecture Notes - Lecture 5: Body Composition, Dual-Energy X-Ray Absorptiometry, Human Body Weight

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