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39 Cards in this Set

  • Front
  • Back

Anthropometry

Measurement of the human body

Somatometry

Measurement of the living body

Osteometry

Measurement of the human skeleton

Anthropometric Traits

- Non-invasive measurements on the human body (weight, length, girths)


- Taken on living subjects


- Quantitative


- Relfect genetic inheritance and enviroment

Undernutrition

Too few calories

Malnutrition

Imbalance in diet

Overnutrition

Too many calories

Nutrients

Substances required for reproduction, function and survival. Others are used to assemble various cellular structure

Macronutrients

Requires large amounts of nutrients, critical for providing energy and consisting of lots carbohydrates, fats and proteins.

Mirconutrients

Required in much smaller amounts and important for regulating biological needs

Basal Metabolic Rate (BMR)

Minimum amount of energy necessary to keep a person alive. Measurement at least 12 hours after a meal. Estimated from body weight and age/sex specific.

Total Daily Energy Expenditure

Energy need for BMR and other physical activities (work, leisure and exercise)


TDEE = BMR X Physical activity level (PAL) Index

Kilograms

The unit that measures energy

Protein Digestibility

Proportion of dietary protein absorbed by the body

Kwashiorka

Protein Malnutrition

Saturated Fatty Acids

Meats/dairy products

Trans Fatty Acids

Hydrogenated unsaturated vegetable oils

Industrialized world (os)

Most fats come from SFA, trans and low levels of n-3 PUFAS

N-3

Marine fish, canola oil, walnut oil, green leafy vegetables.

N-6

Corn, sun flower seeds, soy beans and tree nuts

Scurvey

Slow wound healing, long term leads to wide spread hemorrhaging. Historically happens to sailors and is a micronutrient defecienies.

Iron Defeicienies

Component of hemoglobin, can cause anemia and most prevelnat nutritional problem worldwide untill 2000s

Iodine Defecienices

Component in thyroid hormones. Lower metabolic rate that leads to a risk of obesity.

Goiter

Swelling of thyroid

Infectious Disease

Caused by specific microorganisms, pathogens and infectious agents. Transmitted from one host to another. Many are acute but also many are chronic.

Non-Infectious Disease

From enviroment or genetic cause

Bacteria

Single cell prokaryotes, Diverse characteristics. TB and syphilis

Viruses

Composed of only DNA and RNA surrounded by protein. Obligate parasite, receptors, Measles and herpes

Epidemiological Transition

Shifts in disease pattern defined by three major transitions suggested by human history

Paleolithic

No infectious disease because the population was too small but some pathogens with long lateney and low virulence. No social difference in exposure.

Zoonotic Disease

Animal disease that can cause illness in humans

First Transition

Shift in disease patterns due to sedentism and larger density of population (Urbanization) which encourages transmission of diseases. Emergence of social and economic inequalities and the introduction of nutritional-related diseases.

Argiculture and the Neolithic

Started around 12,000 years ago. First started in Southeast Asia, different time periods at different locations --> newest in sub-saharan Africa

Industrialization

Exacerbated health problems and disparties. Pollution/comtamination. Increased crowding

Second Transition

Roughly the last 200 years in western countries. Discovery of pathogens, nutrition/sanitation improvement and estabilishment of public health.



Gradual decline in mortality from infectious disease and an increase in mortality related to chronic/degenerative diseases. Changing activity patterns.



After: Increased global health disparities, rise in STDS, allergies, asthma, etc.

Third Transition

By mid 20th century, infectious diseases thought to no longer be a threat. By the 80's, "return" of infectious disease as global threat. (AIDS/HIV)

Adaptive immune system

Only among vertebrates, pathogen recognition, immune system needs to recognize "Self" and "Non-self"

Vaccinations

Reconition of pathogens that attempt to protect you from infectious disease. Earliest form in China.

Herd Immunity

If sufficiently large portion of population has been vaccinated, opportunites for pathogens to spread are limited. WHO advices 95% for this.