Biology Exam 1 Study Guide (Chapters 1-6)

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Questions and Answers

Which of the following is NOT a bone cell type found in osseous tissue?

  • Osteoclasts
  • Osteoblasts
  • Osteocytes
  • Chondrocytes (correct)

What is the primary function of red marrow?

  • Storing fat
  • Providing strength and rigidity
  • Supporting bone structure
  • Producing blood cells (correct)

Which type of bone growth is responsible for increasing bone length?

  • Appositional growth
  • Endochondral ossification
  • Interstitial growth (correct)
  • Intramembranous ossification

What is the name of the process by which bone is formed from a hyaline cartilage model?

<p>Endochondral ossification (C)</p> Signup and view all the answers

Which of the following is NOT a factor that influences bone growth and remodeling?

<p>Temperature (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of living organisms?

<p>They are all composed of the same elements. (D)</p> Signup and view all the answers

What is the primary function of the integumentary system?

<p>Providing support and protection to the body. (A)</p> Signup and view all the answers

Which of the following is an example of a negative feedback loop?

<p>Regulation of blood glucose levels. (B)</p> Signup and view all the answers

What is the difference between an atom and an ion?

<p>An atom has a neutral charge, while an ion has a positive or negative charge. (A)</p> Signup and view all the answers

Which of the following is NOT an example of a biomolecule?

<p>Water (H2O) (B)</p> Signup and view all the answers

What is the primary function of carbohydrates in the body?

<p>Providing long-term energy storage. (C)</p> Signup and view all the answers

What is the role of ATP in the body?

<p>Providing energy for cellular processes. (D)</p> Signup and view all the answers

Which of the following is NOT a component of the cell theory?

<p>Cells have a nucleus that contains their genetic material. (B)</p> Signup and view all the answers

Which of the following is NOT a component of the extracellular matrix?

<p>Cells (D)</p> Signup and view all the answers

Which type of epithelial tissue is responsible for secretion?

<p>Simple cuboidal (D)</p> Signup and view all the answers

Which of the following is a characteristic of connective tissue?

<p>Abundant extracellular matrix (C)</p> Signup and view all the answers

Which type of muscle tissue is responsible for voluntary movement?

<p>Skeletal muscle (C)</p> Signup and view all the answers

Which of the following is NOT a function of the integumentary system?

<p>Production of blood cells (C)</p> Signup and view all the answers

Which layer of the skin provides structural support and contains blood vessels?

<p>Dermis (B)</p> Signup and view all the answers

What would happen to a cell if its spindle fibers failed to form during mitosis?

<p>The cell would divide into two daughter cells with uneven numbers of chromosomes. (B)</p> Signup and view all the answers

Which of the following is NOT a type of primary tissue in the human body?

<p>Endocrine tissue (B)</p> Signup and view all the answers

Flashcards

Characteristics of Living Organisms

All living organisms share common features such as growth, reproduction, responsiveness, metabolism, and homeostasis.

Anatomy vs. Physiology

Anatomy is the study of structure, while physiology is the study of function; they are interrelated.

Homeostasis

Homeostasis is the ability of the body to maintain stable internal conditions despite external changes.

Feedback Loops

Feedback loops are processes that help maintain homeostasis, involving components like sensors, control centers, and effectors; can be positive or negative.

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pH Scale

The pH scale measures acidity (0-7) and alkalinity (7-14) of substances, with 7 being neutral.

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Water's Chemical Properties

Water's unique properties, such as cohesion, adhesion, and high specific heat, make life possible.

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Types of Compounds

Organic compounds contain carbon and are typically associated with living organisms, while inorganic compounds do not primarily contain carbon.

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Cell Theory

Cell theory states that all living things are made of cells, the cell is the basic unit of life, and all cells arise from pre-existing cells.

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Thick vs Thin Skin

Thick skin has more layers and is found on palms and soles, while thin skin covers the rest of the body and has fewer layers.

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Types of Skin Pigmentation

Melanin, carotene, and hemoglobin are the main types of skin pigmentation; they affect skin color and provide protection.

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Skin Cancer Types

Basal cell carcinoma (most common), squamous cell carcinoma, and melanoma (most dangerous); different skin cells are involved.

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Bone Growth

Bone can grow in width through appositional growth and in length through longitudinal growth during development.

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Bone Fracture Types

There are simple (closed), compound (open), and comminuted fractures, varying in severity and healing process.

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Cellular Diffusion

Movement of molecules from high to low concentration.

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Osmosis

Diffusion of water across a semipermeable membrane.

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Mitosis

Process of cell division resulting in two identical cells.

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Epithelial Tissue

Tissue that covers body surfaces and lines cavities.

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Connective Tissue

Supports, binds, and protects tissues and organs.

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Extracellular Matrix

Network of proteins and carbohydrates outside cells.

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Glands

Organs that produce and secrete substances.

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Cell Junctions

Structures that connect cells to form tissues.

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Study Notes

Exam 1 Study Guide (Chapters 1-6)

  • Recognize common characteristics of all living organisms, and describe the levels of structural organization of multicellular organisms.
  • Recognize body systems, their component organs, and their basic functions.
  • Define anatomy and physiology, and understand their relationship.
  • Define anatomical position and use directional and regional terms, and planes of section.
  • Understand the organization of the body into body cavities.
  • Name the three serous membranes and their associated organs and cavities.
  • Define homeostasis and how the body maintains it.
  • Define feedback loops, recognize components, and differentiate between positive and negative feedback loops.
  • Describe an atom, how atomic structure affects interactions between atoms, define atom, ion, cation, anion, and electrolyte.
  • Compare how atoms combine to form molecules and compounds.
  • Distinguish between organic and inorganic compounds.
  • Explain how the chemical properties of water make life possible.
  • Describe the pH scale and the role of buffers in body fluids.
  • Describe the functional roles of acids, bases, and salts.
  • Recognize structures and functions of carbohydrates, lipids, proteins, and nucleic acids.
  • Discuss structures and functions of high-energy compounds (ATP) and products of ATP hydrolysis.
  • Explain the relationship between chemicals and cells.
  • Explain the chemical properties of water that make life possible.
  • Define dehydration synthesis and hydrolysis.
  • Recognize the reaction where glucose, a six-carbon molecule, is converted to two three-carbon molecules.
  • Distinguish between inorganic and organic compounds.
  • Define pH, and explain how pH relates to acidity and alkalinity, and why extreme changes are undesirable.
  • Define acid, base, and salt.
  • Identify six elements common to organic compounds.
  • Identify biochemical building blocks that are components of cells.
  • List main points of the cell theory.
  • Describe functions of the plasma membrane and structures enabling function.
  • Describe cellular diffusion and osmosis, and explain their physiological roles.
  • Describe carrier-mediated transport and vesicular transport.
  • Describe organelles of a typical cell and their specific functions.
  • Describe interphase and identify its stages.
  • Define mitosis and its stages.
  • Describe what happens if spindle fibers fail to form in a cell during mitosis.
  • Define histology.
  • List four types of primary tissues in the human body.
  • Define extracellular matrix and ground substance.
  • Understand components of matrix and ground substance and their functions.
  • Identify cell junctions found in tissues, and describe what they are composed of.
  • Identify general characteristics of epithelial tissues.
  • Describe components and classifications of epithelial tissues in the human body.
  • Identify functions and locations of individual types of epithelial tissues.
  • Define gland, types of glands, and tissue origin of glands.
  • Identify general characteristics and functions of connective tissue.
  • Detail specific types of connective tissues, their functions, and location.
  • Describe components of muscle tissue, types of muscle tissue, and microscopic structures of different muscle tissue types.
  • Discuss groups of cells in nervous tissue, components, and characteristics.
  • Describe membranes and membrane-like structures in the human body and their components and characteristics.
  • Detail different types of tissue repair, and factors affecting repair.
  • Explain the layers of skin, sublayers, components, and relationship between dermis, epidermis, and hypodermis.
  • Define hypodermis and its tissue composition and location.
  • Explain functions of the integumentary system.
  • Explain the difference between thick and thin skin.
  • Identify different types of skin pigmentation, their sources and functions.
  • Explain how to use skin color as a diagnostic tool, and define key terms.
  • Describe accessory structures of the integument.
  • Identify structural components of hair and nails.
  • Describe types of glands associated with skin, location, and functions.
  • Identify different classes of skin burns, and explain the rule of nines.
  • Explain three types of skin cancer, common, dangerous, and involved cells.
  • Explain the functions of the skeletal system.
  • Classify bones by shape.
  • Describe red marrow and yellow marrow, components, and functions.
  • Describe osseous tissue, microscopic structure, organic-inorganic matrix components, bone cells, locations, function, compact-spongy tissue, osteon structure, ossification (osteogenesis), intramembranous/endochondral, bone growth, hormone control, bone remodeling, repair, and stages of bone repair.
  • Describe different types of bone fractures.

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