BMS 300 EXAM 1 QUESTIONS AND VERIFIED
ANSWERS
elevated blood pressure - ANSWER •Chronically elevated blood
pressure (hypertension) can contribute to cardiovascular and other
diseases and conditions
•If blood pressure drops too low (hypotension) blood delivery to cells,
tissues, and organs can be compromised
Physiology - ANSWER The study of the function of cells, tissues,
organs, and systems
Exercise Physiology - ANSWER The study of how acute (single bout of
exercise) and chronic exercise (repeated exercises over time) influences
the function of cells, tissues, organs, and systems
what factors might exercise physiology study? - ANSWER the study
of...
•The physiological response of specific populations (e.g., young, old,
diseased populations) to acute and chronic exercise
•How environmental factors (e.g., heat and high altitude) impact the
physiological response to exercise
growth/trend within exercise physiology - ANSWER scientific
publications within exercise physiology (1950-2019)
•Our knowledge about exercise physiology has expanded over the years
because of the quantity and quality of research in exercise physiology
research in exercise physiology - ANSWER involves the scientific study
of the effects of acute and/or chronic exercise on the body
scientific method - ANSWER •A systematic approach used by
researchers to address scientific questions
•Used to test hypotheses and provide new scientific knowledge
•Involves a six-step process
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6 steps of the scientific method - ANSWER 1. research question
2. formulation of hypothesis
3. design experiment to test hypothesis
4. collect and analyze data
5. interpret the data and formulate conclusions
6. communicate the results
creating the research question - ANSWER -designed to answer
questions
- all research studies begin with a scientific question (s)
formulate a hypothesis - ANSWER •A hypothesis is
•The predicted answer to a scientific question
•An educated (informed) guess
•Formation of a hypothesis is often helped by performing preliminary
studies (pilot studies)
design experiment to test hypothesis - ANSWER •A scientific
hypothesis can be tested by a well-designed experiment
•Experimental designs vary in complexity
Include
•Appropriate experimental group
•Adequate sample size
•Selection of correct dependent variables
collect and analyze the data - ANSWER - careful data collection
- appropriate analysis
- statistical analysis
interpret the results and formulate conclusions - ANSWER •Thoughtful
interpretation of the scientific data
•Decide if the results of the study support or reject the hypothesis tested
communicate the research findings - ANSWER •Scientific research is
beneficial when the results are made available to others
•Publications in scientific journals play an essential role in the
advancement of science
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what are the two classes of research designs? - ANSWER
experimental and non experimental
non exeperimental research - ANSWER •Researchers do not
manipulate the experimental variables
•Researchers study variables as they exist
non experimental research types: - ANSWER descriptive studies
case studies
correlational studies
descriptive studies - ANSWER •Performed to identify different
biological characteristics or physiological events
•Reports biological phenomena (or biological characteristics) and does
not explain why these biological phenomena occur
case studies - ANSWER intensive study of one individual
correlational studies - ANSWER •Describe the relationship between
two variables
•This relationship is often represented by a correlation coefficient (also
called Pearson's R)
• Expressed as values between +1 and -1
•The closer to 1 or -1, the stronger the correlation
•A high correlation coefficient suggests that a strong relationship exists
between two variables
•A numerically high correlation coefficient does not prove cause and
effect between the two variables (Correlation does not necessarily mean
causation)
experimental research - ANSWER •Researchers manipulate
experimental variables
•Has the potential to:
•Explain cause and effect
•Uncover the mechanism(s) responsible for physiological changes
what are the two primary venues in exercise physiology? - ANSWER
laboratory and field
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independent variable - ANSWER a variable that is manipulated by the
investigator
dependent variable - ANSWER •the variable that changes in response
to the independent variable
•The variables that are measured by the researchers
ex: exercise intensity is the independent variable, heart rate is
dependent
control group - ANSWER •Group that does not receive an experimental
treatment
•Serves as a benchmark to determine the effect of the treatment on the
experimental group
•Helps ensure that changes in the experimental group are due to the
treatment and not due to other factors
experimental group - ANSWER receives an experimental treatment
laboratory research advantages - ANSWER - allows invasive
experimental protocols
- more control (ex. of environmental conditions)
field research - ANSWER - indoor/outdoor athletic arena
-data collection in real world environment "in the field"
disadvatanges: lack of experimental control of environmental conditions,
limitations on the types of physiological measurements that can be made
basic research - ANSWER •Systematic study of fundamental topics in
biology
•Provides new information about how cells, tissues, and organ systems
function
•Has revealed many of the mechanisms responsible for exercise-
induced adaptations in both heart and skeletal muscles
•Goal is to generate new knowledge in a specific field of study
•Often performed without the knowledge of how these research findings
will be applied in the real world
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