HLTH 101 Lecture Notes - Zoonosis, Tetanus, Anemia

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16 Oct 2011

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Lecture 1- intro to the study of health and disease. Lecture 1: intro to the study of health & disease. Mortality: a rate expressing deaths per unit of time. Morbidity: a rate of how many people have a syndrome/disease i. Measuring how many people get sick per year, interest in quantity of sickness in a given amount of time c. Prevalence: the ratio of the total number of individuals who have a disease at a particular time to the population at risk of having the disease. Cumulative over time (80 000 cases over time of cancer, 60 000 old, 20 000 new) Healthy unhealthy, must believe that it can change, foundation of practice b. We can learn the causes of health changes i. Apply scientific principles to causes and come to an understanding c. We can use knowledge to change health status i. Palaeolithic era: did not have nutrient insufficiency, agricultural backgrounds.

Related Questions

QUESTION 1 1. The relative importance or burden of a disease within a population will depend on a number of factors including : A. Disease frequency B. Disease severity C. Disease consequences D. All of the above

QUESTION 2 1 . With the epidemiologic transition, there is a reduction in malnutrition and _____ . A. Communicable diseases B. Injuries C. Non-communicable chronic diseases D. Mental health disorders

QUESTION 3 1. A major challenge to developing a burden of disease profile in low and middle-income countries relates to A. Unwillingness to share complete information B. Conflicting disease definitions C. Challenges obtaining information related to cause of death D. All of the above

QUESTION 4 1. The demographic transition describes which of the following changes to society A. Changes in birth and death rates that reflect a modern society B. Declines in mortality followed by a reduction in fertility C. A change in the age structure of the population D. All of the above

QUESTION 5 1. Measures of health status that combine mortality and morbidity data A. Facilitate comparisons both within and across populations B. Help estimate the quantitative health benefits from interventions C. Serve as tools to assist with resource allocation D. All of the above

QUESTION 6 1. The disability-adjusted life year is defined as A. A health gap population summary measure that combines time lost due to disability with that lost due to death B. A measure to compare the gap between the current situation to that of an ideal situation C. A measure that combines the amount of healthy life lost due to morbidity with that lost due to injury. D. Answers B and C

QUESTION 7 1. True or false? A key limitation to mortality-based indicators is that they fail to account for the morbidity caused by disease. True False

QUESTION 8 1. The most widely used composite measure of population health is the DALY, and this epidemiological measure is the sum of morbidity and ________data. A. Years of life lost (YLL) B. Morbidity C. Infant mortality rates (IMR) D. none of the above

QUESTION 9 1. What would be the best source of information on adult and infant mortality (in high income countries)? A. Disease registers B. Vital statistics C. Special survey study D. Hospital clinic statistics

QUESTION 10 1. Which term is best used to describe the proportion of people in a population who have a defined disease at a specific point of time? A. DALY B. Incidence C. Mortality rate D. Prevalence

QUESTION 11 1. Which term is best used to describe new cases of disease occurring in a population? A. DALY B. Incidence C. Mortality rate D. Prevalence

QUESTION 12 1. Which term is used to describe the absence or presence of illness or disease? A. Demography B. Morbidity C. Mortality D. Vitality

QUESTION 13 1. Mortality (death indicators) include: A. Mortality rate B. Infant mortality rate C. Neonatal morality rate D. All of the above

QUESTION 14 1. True or false? The value of life is often implicit in the way resource allocation decisions are made, which suggests that these decisions should be as explicit, open, and transparent as possible. True False

QUESTION 15 1. _________________is projected as the number one leading cause of disease burden in 2030. A. Ischemic heart disease B. Diabetes mellitus C. HIV/AIDS D. Unipolar depression

QUESTION 16 1. Some of the negative aspects of globalization include A. Greater insecurity of employment B. Poorer housing and sanitation due to rapid urbanization C. Greater vulnerability to environmental degradation D. All of the above

QUESTION 17 1. Current concerns about climate change focus on several developments including A. Rising global average land and sea surface temperature B. Increasing frequency of extreme weather conditions C. Both A and B D. None of the above

QUESTION 18 1. True or false? Diseases carried by mosquitoes are especially sensitive to meteorological conditions because they are vulnerable to changes in the ambient temperature. As a result of changing temperatures, infectious diseases such as malaria and dengue have decreased in incidence and geographic range. True False

QUESTION 19 1. True or false? International cooperation of infectious disease control has a long history that includes obligatory reporting of outbreaks of specific diseases. However, compliance with obligatory reporting has been poor due to economic consequences that have often accompanied notification of disease outbreaks. True False

QUESTION 20 1. True or false? Globalization is a relatively new phenomenon that began in the mid-20th century. True False

Match the term with its definition.

____1. Case

____2. Case fatality rate

____3. Disease control

____4. Elimination of disease

____5. Emerging of disease

____6. Eradication of disease

____7. Parasite

____8. Reemerging infection disease

A. Reducing the incidence and prevalence of a disease to an acceptable level

B. An existing disease that has increased in incidence or has taken on new forms

C. Termination of all cases of a disease and its transmission globally

D. An individual with a particular disease

E. Reducing the incidence of a disease in a specific area to zero

F. A newly discovered disease

G. An organism that lives in or on another organism, taking its nourishment

H. The proportion of persons with a particular condition who dies from that condition

oliveox7

Different measures of disease are useful to evaluate and assess public health programs and needs in different situations. To demonstrate that railroad crossings need to be safer to prevent car-train crashes, (a) state which measure would most powerfully support your goal and (b) explain why you chose that measure over the others.

Measures of disease:

I = incidence rate

P = prevalence

C = case fatality rate

M = mortality rate (crude death rate)

A = absolute number of cases (counts)

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HLTH 101 Lecture Notes - Zoonosis, Tetanus, Anemia

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