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Questions and Answers
What is the primary difference between a male and female pelvis in terms of structure?
In an osmosis experiment with dialysis bags, which condition leads to weight gain in a bag?
When performing a diffusion experiment, which factor primarily affects the rate of diffusion?
Which anatomical structure is identified in buccal cells under a microscope?
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What is the total magnification when using a 10x ocular lens and a 40x objective lens on a microscope?
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What is the recommended study material for students before the practical?
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How long do students have to answer the questions at each station during the practical?
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What happens if a student is late to the practical?
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What type of credit is given for spelling during the practical?
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Which lab equipment type is students expected to identify in Lab #1?
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What is NOT a part of the scientific method as described in Lab #2?
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Which base unit is NOT part of the metric system?
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Which prefix in the metric system represents one thousand?
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Which unit of measurement would you use to measure the volume of a liquid?
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What is the primary reason for using significant figures in calculations?
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When calculating the mean of a dataset, what method do you use?
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In human anatomy, what does the term 'anatomical position' refer to?
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Which of the following statements about acids is correct?
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How does a buffer function in a biological system?
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What is the effect of adding hydrochloric acid (HCl) to an unbuffered solution?
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Which body cavity houses the lungs and heart?
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Study Notes
Lab Safety
- Be able to name all the equipment pictured in Lab #1
Scientific Method, Metric System, Directional Terms, and Significant Figures
- Understand the purpose of the scientific method and name the 6 steps
- Know the base units used in the metric system and the abbreviations
- Know the different prefixes used in the metric system (e.g., kilo-), the abbreviation used for each (e.g., kg)
- Be able to measure common everyday items in grams, milliliters, centimeters, and millimeters
- Understand why significant figures are used and how to correctly assign them to calculations
- Know how to round off numbers correctly
- Know how to correctly round off the answer to a mathematical calculation involving numbers with different significant figures
- Given a data set, be able to calculate the mean (average)
- Know the anatomical position and understand how it’s used
- Understand how to use directional terms properly
- Be able to identify the different body planes
- Be able to identify the different body cavities
- Be able to identify the four body quadrants
- Be able to identify the nine abdominopelvic regions
pH and Buffers
- Know the definitions of an acid, base, and salt, and be able to identify simple molecules as being an acid, base, or salt
- Understand how the pH scale works and be able to distinguish stronger acids, weaker acids, stronger bases, and weaker bases based on their pH
- Identify and understand how to properly use the pH meter
- When comparing solutions with different pH values, be able to determine which solution would contain more hydrogen ions and which solution would contain fewer hydrogen ions
- Describe what happened to the pH when HCl was added to an unbuffered solution in Experiment 1 and correctly interpret the data from the graph you generated
- Describe what happened to the pH when you added HCl to a buffered solution in Experiment 2 and correctly interpret the data from the graph you generated
- Explain why your experimental data demonstrates the action of buffers
- Given a simple data set, be able to construct and properly label a data table
- Given a data table, be able to retrieve specific information from the table
- Given a simple data set, be able to construct and properly label a line graph including:
- Figure number and title
- Y-axis with dependent variable description and units
- X-axis with independent variable description and units
- Given a line graph, be able to properly interpret the data and retrieve data from the graph
Human Skeleton
- Be able to identify all the bones and bone markings listed in Lab Exercise # 4
- Know the meaning of the bony landmarks (surface markings) listed in the table in Lab #4 Exercise (e.g., a meatus is a canal-like opening)
- Know the specific anatomical differences between the male and female pelvis as listed in the table in the Lab #4 Exercise. Be able to distinguish between a male and female pelvis
Osmosis and Diffusion
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Osmosis Experiment – Dialysis Tubing
- Understand how you set up the experiment using dialysis bags in beakers
- Be able to identify solutions as hypertonic, hypotonic, or isotonic
- Understand which bags gained weight and why
- Understand which bag lost weight and why
- Understand which bag stayed the same and why
- Understand the impact of different concentration gradients (i.e., the steepness of the gradient) on the rate of osmosis
- Given a graph like the one you created for your lab report, be able to correlate lines on the graph with each beaker set-up and explain what was happening in each beaker experiment
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Diffusion Experiment - Demonstration
- Understand how the experiment was set up using petri dishes
- Know which chemicals were used and how mass (molecular weight) of the chemical affects the rate of diffusion
Microscope, Cells, and Mitosis
- Be able to identify the parts of the microscope and know their major functions
- Be able to calculate total magnification, depending on which objective is used
- Understand how to properly use, focus, and put away the microscope
- Understand how to make a wet mount, stain, and identify buccal (cheek) cells.
- Be able to identify the following structures on a slide of buccal (cheek) cells: nucleus, nuclear envelope, cytoplasm, cell membrane
- When observing mitosis microscope slides be able to identify interphase cells, as well as cells in the 4 stages of mitosis (prophase, metaphase, anaphase, telophase)
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Description
Test your knowledge on lab safety equipment and the scientific method. This quiz covers various concepts, including the metric system, significant figures, and directional terms in anatomy. Additionally, you'll explore how to measure items and calculate averages.
