Podcast
Questions and Answers
Which of the following accurately describes the relationship between anatomy and physiology?
Which of the following accurately describes the relationship between anatomy and physiology?
- Anatomy and physiology are unrelated fields of study within biology.
- Physiology examines body structures under a microscope, while anatomy does not.
- Anatomy studies the structures of the body, and physiology studies the functions of these structures. (correct)
- Anatomy focuses on the function of the body, while physiology studies its structures.
A researcher is studying the arrangement of organs within the abdominal cavity. Which branch of gross anatomy is most relevant to this study?
A researcher is studying the arrangement of organs within the abdominal cavity. Which branch of gross anatomy is most relevant to this study?
- Regional anatomy (correct)
- Histology
- Surface anatomy
- Cytology
A scientist is investigating the effects of a new drug on nerve impulse transmission. Which subdivision of human physiology is most applicable to this research?
A scientist is investigating the effects of a new drug on nerve impulse transmission. Which subdivision of human physiology is most applicable to this research?
- Cell physiology
- Endocrinology
- Pathophysiology
- Neurophysiology (correct)
During a medical check-up, a doctor assesses the location of superficial blood vessels. Which division of gross anatomy is being utilized?
During a medical check-up, a doctor assesses the location of superficial blood vessels. Which division of gross anatomy is being utilized?
Which of the following represents the correct order of levels of organization in the human body, from smallest to largest?
Which of the following represents the correct order of levels of organization in the human body, from smallest to largest?
In a car accident, a patient suffers a broken femur. The point of impact is closer to the hip than the knee. In anatomical terms, the point of impact is _______ to the knee.
In a car accident, a patient suffers a broken femur. The point of impact is closer to the hip than the knee. In anatomical terms, the point of impact is _______ to the knee.
Which of the following activities is an example of anabolism?
Which of the following activities is an example of anabolism?
A surgeon makes an incision that divides the body into anterior and posterior portions. Which plane is this incision made along?
A surgeon makes an incision that divides the body into anterior and posterior portions. Which plane is this incision made along?
Which of the following describes the correct sequence of events in a homeostatic control system?
Which of the following describes the correct sequence of events in a homeostatic control system?
Which of the following examples illustrates positive feedback?
Which of the following examples illustrates positive feedback?
A disease is best described as:
A disease is best described as:
Which property is NOT common to all living organisms?
Which property is NOT common to all living organisms?
If an atom has 16 protons and 17 neutrons, what are its atomic number and atomic mass, respectively?
If an atom has 16 protons and 17 neutrons, what are its atomic number and atomic mass, respectively?
A certain medication has a biological half-life of 8 hours. If a patient takes 200 mg of the medication, how much will remain in their system after 16 hours, assuming first-order kinetics?
A certain medication has a biological half-life of 8 hours. If a patient takes 200 mg of the medication, how much will remain in their system after 16 hours, assuming first-order kinetics?
Which of the following statements accurately describes the role of ions in the body?
Which of the following statements accurately describes the role of ions in the body?
Consider two molecules with the same chemical formula, $C_6H_{12}O_6$, but different structural arrangements. What term describes these molecules?
Consider two molecules with the same chemical formula, $C_6H_{12}O_6$, but different structural arrangements. What term describes these molecules?
In a chemical bond between two atoms, what primarily determines whether the bond is polar or nonpolar?
In a chemical bond between two atoms, what primarily determines whether the bond is polar or nonpolar?
If a solution's pH changes from 7 to 4, what happens to the concentration of $H^+$ ions?
If a solution's pH changes from 7 to 4, what happens to the concentration of $H^+$ ions?
Which of the following best describes the primary function of a buffer in a solution?
Which of the following best describes the primary function of a buffer in a solution?
A scientist is analyzing a molecule and finds that it contains carbon, hydrogen, and nitrogen. Which of the following classifications is MOST likely?
A scientist is analyzing a molecule and finds that it contains carbon, hydrogen, and nitrogen. Which of the following classifications is MOST likely?
Which of the following describes the relationship between monomers and polymers?
Which of the following describes the relationship between monomers and polymers?
During exercise, muscle cells break down glycogen into glucose for energy. What type of molecule is glycogen?
During exercise, muscle cells break down glycogen into glucose for energy. What type of molecule is glycogen?
Consider a protein with a mutation that alters its secondary structure, but does not affect its primary structure. What is MOST likely to be disrupted by this mutation?
Consider a protein with a mutation that alters its secondary structure, but does not affect its primary structure. What is MOST likely to be disrupted by this mutation?
In a chemical reaction, an enzyme reduces the activation energy ($E_a$) required for the reaction to proceed. How does this affect initial reaction rate?
In a chemical reaction, an enzyme reduces the activation energy ($E_a$) required for the reaction to proceed. How does this affect initial reaction rate?
Which component of a homeostatic control system is responsible for detecting changes in the internal environment?
Which component of a homeostatic control system is responsible for detecting changes in the internal environment?
During labor, the body's production of oxytocin increases, which in turn causes more uterine contractions. These contractions further stimulate oxytocin release. This represents what type of feedback mechanism?
During labor, the body's production of oxytocin increases, which in turn causes more uterine contractions. These contractions further stimulate oxytocin release. This represents what type of feedback mechanism?
Which of the following is the BEST definition of a disease state?
Which of the following is the BEST definition of a disease state?
A plant growing towards sunlight is an example of which property of life?
A plant growing towards sunlight is an example of which property of life?
An atom has 10 protons, 11 neutrons, and 10 electrons. What is its atomic number and atomic mass, respectively?
An atom has 10 protons, 11 neutrons, and 10 electrons. What is its atomic number and atomic mass, respectively?
A drug has a biological half-life of 4 hours. If a 100mg dose is administered, how much of the drug is expected to remain in the body after 12 hours, assuming first-order kinetics?
A drug has a biological half-life of 4 hours. If a 100mg dose is administered, how much of the drug is expected to remain in the body after 12 hours, assuming first-order kinetics?
Two molecules have the same molecular formula ($C_2H_6O$) but different arrangements of atoms. What are these molecules called?
Two molecules have the same molecular formula ($C_2H_6O$) but different arrangements of atoms. What are these molecules called?
In a water molecule ($H_2O$), oxygen attracts electrons more strongly than hydrogen. What type of bond holds the hydrogen and oxygen atoms together?
In a water molecule ($H_2O$), oxygen attracts electrons more strongly than hydrogen. What type of bond holds the hydrogen and oxygen atoms together?
A researcher is conducting a study on how different medications affect kidney function. Which subdivision of human physiology is MOST applicable to this research?
A researcher is conducting a study on how different medications affect kidney function. Which subdivision of human physiology is MOST applicable to this research?
During a dissection, a medical student identifies the different arteries and veins within the leg. Which division of gross anatomy is exemplified by this activity?
During a dissection, a medical student identifies the different arteries and veins within the leg. Which division of gross anatomy is exemplified by this activity?
A scientist is examining a sample of lung tissue under a microscope to observe the structure of the cells. Which area of study does this fall under?
A scientist is examining a sample of lung tissue under a microscope to observe the structure of the cells. Which area of study does this fall under?
Which of the following sequences correctly lists the levels of structural organization in the human body from the simplest to the most complex?
Which of the following sequences correctly lists the levels of structural organization in the human body from the simplest to the most complex?
In a clinical setting, a doctor is explaining the location of a skin rash in relation to a patient's heart. The doctor says, 'The rash is lateral and superficial to the heart.' What does this mean?
In a clinical setting, a doctor is explaining the location of a skin rash in relation to a patient's heart. The doctor says, 'The rash is lateral and superficial to the heart.' What does this mean?
During surgery, a doctor needs to make an incision that divides the liver into equal left and right portions. Which plane would they use?
During surgery, a doctor needs to make an incision that divides the liver into equal left and right portions. Which plane would they use?
A person is standing with their feet flat on the floor, arms at their sides, and palms facing forward. Which anatomical position is this?
A person is standing with their feet flat on the floor, arms at their sides, and palms facing forward. Which anatomical position is this?
Which of the following BEST describes the relationship between the visceral pleura and parietal pleura?
Which of the following BEST describes the relationship between the visceral pleura and parietal pleura?
In a scenario where two atoms form a chemical bond, and one atom has a significantly higher electronegativity than the other, what type of bond is most likely to form, and what is its characteristic?
In a scenario where two atoms form a chemical bond, and one atom has a significantly higher electronegativity than the other, what type of bond is most likely to form, and what is its characteristic?
How does the addition of a buffer to a solution containing a weak acid and its conjugate base affect the solution's ability to resist changes in pH when a strong base is added?
How does the addition of a buffer to a solution containing a weak acid and its conjugate base affect the solution's ability to resist changes in pH when a strong base is added?
Which of the following best describes how the concentration of hydrogen ions ($H^+$) changes as the pH of a solution goes from 3 to 6, and what does this pH change indicate?
Which of the following best describes how the concentration of hydrogen ions ($H^+$) changes as the pH of a solution goes from 3 to 6, and what does this pH change indicate?
Consider the following molecules: ethanol ($C_2H_5OH$), sodium chloride ($NaCl$), and methane ($CH_4$). Which of these would be classified as organic molecules, and what feature primarily determines this classification?
Consider the following molecules: ethanol ($C_2H_5OH$), sodium chloride ($NaCl$), and methane ($CH_4$). Which of these would be classified as organic molecules, and what feature primarily determines this classification?
In the context of biological macromolecules, how do monomers relate to polymers, and which process is typically involved in converting monomers to polymers?
In the context of biological macromolecules, how do monomers relate to polymers, and which process is typically involved in converting monomers to polymers?
After consuming a starchy meal, the polysaccharides are broken down into smaller, more manageable units in the digestive system. What are these resulting smaller units, and what is the primary enzyme responsible for this process?
After consuming a starchy meal, the polysaccharides are broken down into smaller, more manageable units in the digestive system. What are these resulting smaller units, and what is the primary enzyme responsible for this process?
During the formation of a protein's tertiary structure, various interactions between amino acid side chains occur, contributing to the protein's unique three-dimensional shape. Which interaction is least likely to be affected by changes in pH within a typical physiological range?
During the formation of a protein's tertiary structure, various interactions between amino acid side chains occur, contributing to the protein's unique three-dimensional shape. Which interaction is least likely to be affected by changes in pH within a typical physiological range?
In a metabolic pathway, an enzyme is responsible for catalyzing a reaction. How does the presence of a specific enzyme affect the thermodynamics of the reaction, and what does this entail for the equilibrium constant?
In a metabolic pathway, an enzyme is responsible for catalyzing a reaction. How does the presence of a specific enzyme affect the thermodynamics of the reaction, and what does this entail for the equilibrium constant?
Flashcards
Anatomy
Anatomy
The study of the human body's structure.
Physiology
Physiology
The study of the functions of the human body.
Microscopic Anatomy
Microscopic Anatomy
Study of structures that require a microscope to observe.
Gross Anatomy
Gross Anatomy
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Histology
Histology
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Cytology
Cytology
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Metabolism
Metabolism
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Serous Membrane
Serous Membrane
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Homeostasis Components
Homeostasis Components
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Positive Feedback
Positive Feedback
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Negative Feedback
Negative Feedback
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Atomic Number
Atomic Number
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Cation
Cation
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Anion
Anion
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Covalent Bond
Covalent Bond
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Electronegativity
Electronegativity
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Monomer
Monomer
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Polysaccharides
Polysaccharides
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Kinetic Energy
Kinetic Energy
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Exergonic Reaction
Exergonic Reaction
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Enzyme
Enzyme
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Activation Energy (Ea)
Activation Energy (Ea)
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Buffer
Buffer
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Types of Microscopic Anatomy
Types of Microscopic Anatomy
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Biological Half Life
Biological Half Life
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Divisions of Gross Anatomy
Divisions of Gross Anatomy
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Levels of Organization in the Body
Levels of Organization in the Body
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Common Ions in the Body
Common Ions in the Body
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Anatomical Position
Anatomical Position
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Visceral vs Parietal Membrane
Visceral vs Parietal Membrane
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Isomer
Isomer
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Single, Double, Triple Bonds
Single, Double, Triple Bonds
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Function of Serous Fluid
Function of Serous Fluid
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Covalent vs Ionic Bonds
Covalent vs Ionic Bonds
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Molecule Definition
Molecule Definition
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Types of Human Physiology
Types of Human Physiology
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Disease Definition
Disease Definition
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Polarity in Bonds
Polarity in Bonds
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Structure of Phospholipid
Structure of Phospholipid
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Acid vs. Base
Acid vs. Base
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Monomer vs. Polymer
Monomer vs. Polymer
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Protein Structures
Protein Structures
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Reduction vs. Oxidation
Reduction vs. Oxidation
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Energy of Motion vs. Stored Energy
Energy of Motion vs. Stored Energy
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Enzyme Function
Enzyme Function
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Study Notes
Anatomy and Physiology
- Anatomy: the study of the structure of the human body.
- Physiology: the study of the function of the human body.
- Microscopic anatomy: the study of the body using a microscope. Includes histology (tissues) and cytology (cells).
- Gross anatomy: the study of the body without a microscope. Divided into systematic (various systems), regional (various regions), and surface (anatomic markings) anatomy. Also includes embryology (development) and comparative anatomy (similarities/differences).
- Human physiology subdivisions: cell, system, neuro, endocrinology, and pathophysiology (disease).
Microscopic vs. Gross Anatomy
- Microscopic anatomy involves using a microscope, allowing examination of smaller structures.
- Gross anatomy is viewed without a microscope, focusing on larger structures.
Levels of Organization
- Chemical level (molecules)
- Cellular level (cells)
- Tissue level(tissues)
- Organ level (organs)
- Organ system level (organ systems)
- Organism level (organisms). These are listed in increasing complexity and order.
Molecular definition
- A molecule is two or more atoms held together by chemical bonds.
Metabolism
- Metabolism: the sum of all chemical reactions in the body.
- Anabolism: the sum of all synthesis reactions.
- Catabolism: the sum of all decomposition reactions.
Homeostasis
- Homeostasis is the maintenance of a stable internal environment.
- Receptor, control center, and effector are crucial components of the homeostatic feedback loop
Anatomical Planes
- Transverse: horizontal plane dividing the body into superior and inferior sections.
- Coronal: vertical plane dividing the body into anterior and posterior sections (frontal).
- Midsagittal: vertical plane dividing the body into equal left and right halves.
Anatomical Terms
- Directional terms allow clinicians and researchers to accurately describe the body's relationships using specific terms (superior, inferior, distal, proximal, etc).
Atoms and Ions
- Atoms consist of protons (positive), neutrons (neutral), and electrons (negative).
- An ion is an atom or molecule with a net electric charge due to the loss or gain of electrons.
- Ions (sodium, potassium, calcium, magnesium, chloride, bicarbonate, phosphate) have various physiological roles within the body.
Biological Macromolecules
- Organic molecules include carbohydrates, lipids, proteins, and nucleic acids.
Organic Chemistry
- Organic molecules rely on carbon and hydrogen bonding and have characteristic structures.
Chemical Bonds
- Covalent bonds are when atoms share electrons.
- Polar covalent bonds have unequal electron sharing; non-polar bonds have equal electron sharing.
- Ionic bonds involve the transfer of electrons, forming charged ions.
Organic Molecules
- Carbohydrates are sugars and starches.
- Lipids are fats and oils.
- Proteins are made from amino acids.
- Nucleic acids (DNA and RNA) are essential for genetic information.
Biochemical Processes
- Enzymes are biological catalysts that accelerate chemical reactions in the body.
- Enzymes function by lowering activation energy, the energy needed to initiate a reaction.
- Enzymes have specific shapes (active sites) that bind to substrates (reactants).
Respiration
- Glycolysis: the first stage of cellular respiration. This process occurs in the cytosol.
- Intermediate stage: (part of aerobic cellular respiration)
- Citric acid cycle (Krebs cycle): (part of aerobic cellular respiration), occurs in the mitochondria.
- Electron transport chain: (part of aerobic cellular respiration), occurs in the mitochondria, where most ATP is generated.
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Description
Explore the basics of anatomy and physiology, differentiating between microscopic studies and gross anatomy. Delve into the levels of human body organization, from molecules to organ systems, and the study of tissue(histology) and cells(cytology).