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Anatomy And Physiology Exam#1

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Anatomy And Physiology Exam#1

 This is an actual exam I took for A&P, I made this quiz to test myself.

Questions and Answers
  • 1. 
    • A. 

      Metabolism

    • B. 

      Physiology

    • C. 

      Assimilation

    • D. 

      Excretion

  • 2. 
    • A. 

      Cells, tissues, organelles, organs, systems

    • B. 

      Tissues, cells, organs, organelles, systems

    • C. 

      Organs, organelles, systems, cells, tissues

    • D. 

      Organelles, cells, tissues, organs, systems

  • 3. 
    • A. 

      Shivering when body temperature falls below normal limts

    • B. 

      Increasing heart rate and contraction force when blood pressure falls

    • C. 

      Pulling blankets over yourself when cold at night

    • D. 

      Secreting insulin after a meal to decrease blood sugar concentration

  • 4. 
    • A. 

      Ability of human beings to keep body weight within normal limits

    • B. 

      Maintenance of a constant external temperature inside a room

    • C. 

      Ingestion of enough food to keep hunger pains from developing

    • D. 

      Tendency of the body to maintain a stable environment

  • 5. 
    • A. 

      It controls the amount of heat produced

    • B. 

      Its a source of energy

    • C. 

      It is used to release energy that is stored in food

    • D. 

      It is part of water and is necessary to keep organisms hydrated

  • 6. 
    • A. 

      Heart

    • B. 

      Trachea

    • C. 

      Thymus gland

    • D. 

      Kidney

  • 7. 
    • A. 

      Visceral pleura

    • B. 

      Parietal pleura

    • C. 

      Visceral pericardium

    • D. 

      Parietal pericardium

  • 8. 
    • A. 

      Frontal section

    • B. 

      Transverse section

    • C. 

      Coronal section

    • D. 

      Sagittal section

  • 9. 
    • A. 

      Dorsal (posterior)

    • B. 

      Ventral (anterior)

    • C. 

      Superior

    • D. 

      Inferior

  • 10. 
    • A. 

      The face is forward

    • B. 

      The arms are at the sides

    • C. 

      The palms are facing backward

    • D. 

      The body is erect

  • 11. 
    • A. 

      Positive feedback

    • B. 

      Negative feedback

    • C. 

      A vicious circle

    • D. 

      None of the above

  • 12. 
    A parietal membrane __________, where as a visceral membrane ______________.
    • A. 

      Covers organs; lines cavities

    • B. 

      Lines cavities; covers organs

    • C. 

      Is thick; is thin

    • D. 

      Secretes mucous;secretes serous fluid

  • 13. 
    • A. 

      True

    • B. 

      False

  • 14. 
    • A. 

      True

    • B. 

      False

  • 15. 
    • A. 

      A+B --> C+D

    • B. 

      A+B -->AB

    • C. 

      AB-->A+B

    • D. 

      C+D-->AB

  • 16. 
    • A. 

      Form covalent bonds with water

    • B. 

      Ionize when dissolved in water

    • C. 

      Cannot conduct electricity in solution

    • D. 

      Are not found in the human body in any appreciable amounts.

  • 17. 
    The pH scale measures the
    • A. 

      Concentration of hydrogen ions in solution

    • B. 

      Amounts of salts dissolved in water

    • C. 

      Number of hydroxyl ions in water

    • D. 

      Strength of an electrical current carried by a solution

  • 18. 
    Synthesis reactions are particularly important in the body for
    • A. 

      Release of energy

    • B. 

      Digestion of food particles

    • C. 

      Growth of body parts

    • D. 

      Neutralization of acids by buffers

  • 19. 
    A covalent bond is characterized by
    • A. 

      One atom sharing and another atom gaining electrons

    • B. 

      Atoms sharing pairs of electrons

    • C. 

      Oppositely charged atoms being attracted to each other

    • D. 

      All of the above

  • 20. 
    Lipids are characterized by
    • A. 

      A group of substances that are insoluble in water.

    • B. 

      A number of compounds such as phospholipids, cholesterol and fats.

    • C. 

      Fat molecules containing C, H, & O but the proportion of oxygen is much smaller than in carbohydrates.

    • D. 

      All of the above.

  • 21. 
    • A. 

      Serve as structural materials, energy sources, and chemical messengers.

    • B. 

      Contain C, H, O and N, and sometimes sulfur.

    • C. 

      Can act as enzymes

    • D. 

      All of the above.

  • 22. 
    An enzyme is defined as a
    • A. 

      Protein that speeds up chemical reactions without being changed or depleted.

    • B. 

      Protein that functions as a hormone

    • C. 

      Protein that inhibits chemical reactions by being changed or depleted

    • D. 

      Fibrous protein that is used to help build certain tissues in the body

  • 23. 
    • A. 

      Cations

    • B. 

      Anions

    • C. 

      Salts

    • D. 

      Buffers

  • 24. 
    • A. 

      A synthesis reaction

    • B. 

      Hydrolysis

    • C. 

      A decomposition reaction

    • D. 

      An exchange reaction

  • 25. 
    Water causes substances formed with ionic bonds to
    • A. 

      Bond more strongly

    • B. 

      Dissociate

    • C. 

      Degrade

    • D. 

      Denature

  • 26. 
    • A. 

      Carbohydrates

    • B. 

      Lipids

    • C. 

      Proteins

    • D. 

      Nucleic acid

  • 27. 
    • A. 

      True

    • B. 

      False

  • 28. 
    Glycogen is a complex polysaccharide that is synthesized by the body
    • A. 

      True

    • B. 

      False

  • 29. 
    The endoplasmic reticulum is best described as a
    • A. 

      Formless liquid

    • B. 

      Cellular inclusion

    • C. 

      Network of interconnected membranes

    • D. 

      Membranous sac

  • 30. 
    • A. 

      Osmotic pressure

    • B. 

      Hydrostatic pressure

    • C. 

      Atmospheric pressure

    • D. 

      None of the above

  • 31. 
    • A. 

      Phagocytosis

    • B. 

      Pinocytosis

    • C. 

      Active transport

    • D. 

      Dialysis

  • 32. 
    • A. 

      Water will tend to enter the cell by osmosis

    • B. 

      Water will tend to leave the cell by osmosis

    • C. 

      Glucose will tend to enter the cell by osmosis

    • D. 

      Glucose will tend to leave the cell by osmosis

  • 33. 
    Because of mitosis and cytoplasmic division, the resulting cells contain
    • A. 

      Identical chromosomes

    • B. 

      Identical DNA information

    • C. 

      Both identical chromosomes and DNA information

    • D. 

      None of the above.

  • 34. 
    The 2 major components of the cell membrane are
    • A. 

      Lipids and carbohydrates

    • B. 

      Proteins and carbohydrates

    • C. 

      Lipids and proteins

    • D. 

      Carbohydrates and polysaccharides

  • 35. 
    The cell membrane functions to
    • A. 

      Maintain wholeness of the cell

    • B. 

      Control the entry and exit of various substances

    • C. 

      Provide a barrier to water soluble substances

    • D. 

      All of the above

  • 36. 
    Which of the following is not a factor that influences the rate of diffusion?
    • A. 

      The distance of diffusion

    • B. 

      The concentration of the substance

    • C. 

      The amount of energy available for transport molecules

    • D. 

      The molecular weight of the diffusing molecules

  • 37. 
    What characteristic is shared by simple diffusion and facilitated diffusion?
    • A. 

      Both require cellular energy for the transport of substances.

    • B. 

      Both involve the movement of water across a semi-permeable membrane

    • C. 

      Both require a special carrier molecule to move substances across the membrane

    • D. 

      Both involve the movement of a substance from regions of higher concentration to lower concentration without cellular energy.

  • 38. 
    • A. 

      The cell will shrink

    • B. 

      The cell will swell and may eventually burst

    • C. 

      Nothing; the cell will remain the same size and shape

    • D. 

      Only permeable substances will leave the cell; otherwise the concentrations within the cell do not change

  • 39. 
    • A. 

      Prophase

    • B. 

      Interphase

    • C. 

      Metaphase

    • D. 

      Telophase

  • 40. 
    Which of the following is isotonic to red blood cells?
    • A. 

      0.9% NaCl solution

    • B. 

      Distilled water

    • C. 

      0.9% glucose solution

    • D. 

      None of the above

  • 41. 
    A selectively permeable membrane is defined as one that
    • A. 

      Allows all substances to pass through

    • B. 

      Allows all organic substances to pass through but excludes all inorganic substances

    • C. 

      Allows some substances to pass through and excludes others

    • D. 

      Is leaky or allows substances to leak through

  • 42. 
    Which of the following organelles has its structures and function correctly described?
    • A. 

      Endoplasmic reticulum: network of interconnected membranes forming sacs and canals; packages proteins molecules

    • B. 

      Ribosomes: membranous vesicles; contains digestive enzymes

    • C. 

      Golgi apparatus: particles composed of protein and RNA; synthesizes proteins

    • D. 

      Mitochondrion: nonmembranous structure that synthesizes proteins

  • 43. 
    • A. 

      Molecules from high concentration to a low concentration

    • B. 

      Water molecules from a high concentration to a low concentration through a selectively permeable membrane

    • C. 

      Water molecules from a low concentration to a high concentration through a selectively permeable membrane

    • D. 

      Ions from a low pressure region to a high pressure region through a selectively permeable membrane

  • 44. 
    The relationship of osmotic pressure and the number of solute particles in a solution is
    • A. 

      The lower the number of solute particles, the greater the osmotic pressure

    • B. 

      The greater the number of solute particles, the lower the osmotic pressure

    • C. 

      The greater the osmotic pressure, the lower the number of solute particles

    • D. 

      The greater the number of solute particles, the greater the osmotic pressure

  • 45. 
    A hypertonic solution
    • A. 

      Has a greater concentration of solute particles than the cells in the solution

    • B. 

      Would cause cells in the solution to lose water or become shrunken

    • C. 

      Has greater osmotic pressure than do the cells in the solution

    • D. 

      All of the above

  • 46. 
    • A. 

      The Golgi apparatus

    • B. 

      The smooth endoplasmic reticulum

    • C. 

      The rough endoplasmic reticulum

    • D. 

      The liver

  • 47. 
    Cytoplasm occurs between the cell membrane and the nuclear envelope of a cell
    • A. 

      True

    • B. 

      False

  • 48. 
    • A. 

      True

    • B. 

      False

  • 49. 
    • A. 

      True

    • B. 

      False

  • 50. 
  • 51. 
  • 52. 
    In dehydration synthesis of a carbohydrate,
    • A. 

      Larger molecules are decomposed into smaller ones

    • B. 

      Monosaccharides become joined together

    • C. 

      Water molecules become joined to monosaccharide molecules

    • D. 

      The molecule is decomposed in to CO2 and H2O

  • 53. 
    When a sucrose molecule is decomposed to yield a glucose molecule and a fructose molecule,
    • A. 

      The process involves dehydration synthesis

    • B. 

      A water molecule is released

    • C. 

      A water molecule is used

    • D. 

      None of the above

  • 54. 
    The reactions of anaerobic respiration occur in the
    • A. 

      Cytoplasm

    • B. 

      Mitochondria

    • C. 

      Nucleus

    • D. 

      All of the above

  • 55. 
    Which of the following substances increases in amount during cellular respiration?
    • A. 

      Oxygen

    • B. 

      Glucose

    • C. 

      ATP

    • D. 

      Glycogen

  • 56. 
    • A. 

      The synthesis of the cell membrane from precursor molecules

    • B. 

      The oxidation of glucose in the cytoplasm and mitochondria

    • C. 

      The formation of secretory proteins in the pancreas

    • D. 

      The duplication of DNA molecules in the nucleus

  • 57. 
    What is the function of ADP molecules living in cells?
    • A. 

      They form a genetic material important for reproduction

    • B. 

      They act to "capture" energy from the oxidation of fuels to be used in other cell processes

    • C. 

      They act as coenzymes so that the fats can be synthesized.

    • D. 

      They are an integral part of the cell membrane, important in the transport of water molecules.

  • 58. 
    In the citric acid cycle,
    • A. 

      Carbon dioxide is released

    • B. 

      Hydrogen atoms are released

    • C. 

      2 ATP's form

    • D. 

      All of the above

  • 59. 
    Cellular respiration is defined as the process by which
    • A. 

      Energy is released from molecules and is transferred to other molecules

    • B. 

      Cells breathe, or take in O2 and give off CO2

    • C. 

      Cells produce energy from O2 and absorb heat.

    • D. 

      Energy is absorbed from glucose and is transferred to CO2

  • 60. 
    Anaerobic respiration involves chemical reactions in ____________, where as aerobic respiration involves reactions in ____________.
    • A. 

      Mitochondria; cytplasm with O2 needed

    • B. 

      Cytoplasm without O2 needed; cytoplasm with CO2 required

    • C. 

      Mitochondria without O2 needed; mitochondria with O2 needed

    • D. 

      Cytoplasm without O2 needed; mitochondria with O2 needed

  • 61. 
    The process of copying DNA information into the structure of the mRNA molecule is called which of the following?
    • A. 

      Translation

    • B. 

      Synthesis

    • C. 

      Replication

    • D. 

      Transcription

  • 62. 
    • A. 

      True

    • B. 

      False

  • 63. 
    • A. 

      True

    • B. 

      False

  • 64. 
    Which of the following is not one of the 4 basic body tissues
    • A. 

      Epithelial tissue

    • B. 

      Connective tissue

    • C. 

      Brain tissue

    • D. 

      Muscle tissue

  • 65. 
    A basement membrane occurs between
    • A. 

      Muscle and nerve tissue

    • B. 

      Epithelial and connective tissue

    • C. 

      Connective tissue and muscle tissue

    • D. 

      Brain and nervous tissue

  • 66. 
    Epithelial tissue functions in
    • A. 

      Secretion

    • B. 

      Absorption

    • C. 

      Protection

    • D. 

      All of the above

  • 67. 
    The muscle tissue that can be consciously controlled is
    • A. 

      Smooth

    • B. 

      Skeletal

    • C. 

      Intercalated

    • D. 

      None of the above

  • 68. 
    Connective tissue fibers are produced by
    • A. 

      Macrophages

    • B. 

      Mast cells

    • C. 

      Fibroblasts

    • D. 

      All of the above

  • 69. 
    A general characteristic of connective tissue is that it
    • A. 

      Consists of cells with much intercellular material between tehm

    • B. 

      Has no blood supply to the tissue

    • C. 

      Covers the outside of organs

    • D. 

      Commonly is found lining body cavities

  • 70. 
    Adipose tissue is a specialized form of
    • A. 

      Fibrous connective tissue

    • B. 

      Elastic connective tissue

    • C. 

      Loose connective tissue

    • D. 

      Reticular connective tissue

  • 71. 
    Epithelial tissues are characterized by a lack of blood vessels
    • A. 

      True

    • B. 

      False

  • 72. 
    The tissue that covers all body surfaces is
  • 73. 
    A single layer of flattened epithelium would constitute the tissue called
  • 74. 
    Membranes lining the body cavities that lack openings to the outside are called
    • A. 

      Synovial

    • B. 

      Mucous

    • C. 

      Serous

    • D. 

      Cutaneous

  • 75. 
    The primary means by which body heat is lost
    • A. 

      Conduction

    • B. 

      Convection

    • C. 

      Evaporation

    • D. 

      Radiation

  • 76. 
    Which of the following is a normal response to excessive loss of body heat in a cold environment?
    • A. 

      Dermal blood vessels become constricted

    • B. 

      Sweat glands become inactive

    • C. 

      Skeletal muscles contract involuntarily

    • D. 

      All of the above

  • 77. 
    Exposure to ultraviolet light causes the skin to darken by stimulating the production of
    • A. 

      Melanin

    • B. 

      Carotene

    • C. 

      Hemoglobin

    • D. 

      Cyanin

  • 78. 
    An example of a serous membrane is
    • A. 

      The nasal membranes that secrete mucous

    • B. 

      The linings of the gastrointestinal system

    • C. 

      The lining of the thorax

    • D. 

      The membranes covering joint cavities in the knee

  • 79. 
    Sweat functions to cool the body by
    • A. 

      Convection

    • B. 

      Conduction

    • C. 

      Evaporation

    • D. 

      Radiation

  • 80. 
    • A. 

      Stratum corneum

    • B. 

      Stratum granulosum

    • C. 

      Stratum spinosum

    • D. 

      Stratum germinativum

  • 81. 
    Shafts of hair are composed of
    • A. 

      Living dermal cells

    • B. 

      Dead dermal cells

    • C. 

      Living epidermal cells

    • D. 

      Dead epidermal cells

  • 82. 
    Eccrine sweat glands differ from sebaceous glands
    • A. 

      In terms of what is secreted

    • B. 

      In their location in the body

    • C. 

      Because subaceous glands are associated with hair follicles, sweat glands are not.

    • D. 

      All of the above

  • 83. 
    Epidermal cells are supplied with nutrients from blood vessels located in the
    • A. 

      Epidermis

    • B. 

      Dermis

    • C. 

      Subcutaneous layer

    • D. 

      All of the above

  • 84. 
    Serous membranes are characterized by __________, whereas mucous membranes are characterized by____________.
    • A. 

      Lining body cavities that lack openings to the outside; lining body cavities and tubes opening to the outside

    • B. 

      Being composed of connective tissue only; being composed of epithelial tissue only

    • C. 

      Secreting synovial fluid that lubricates the joint surfaces; secreting mucous

    • D. 

      Lining joint cavities; covering the surface of the body

  • 85. 
    Epidermis is distinguished by being _____________, whereas the dermis is distinguished by being __________.
    • A. 

      The innermost layer of the skin; under the dermis

    • B. 

      Composed of largely fibrous connective tissue; composed of stratified squamous epithelial tissue

    • C. 

      The outermost layer of skin; composed of stratified squamous epithelial tissue

    • D. 

      Composed of stratified squamous epithelial tissue; composed of fibrous connective tissue.

  • 86. 
    A hair is distinguished from a hair follicle by
    • A. 

      Being composed of living stratified squamous cells, whereas a hair follicle is composed of dead dermal cells

    • B. 

      Originating in the subcutaneous layer, whereas a hair follicle originates in the dermis

    • C. 

      Strictly the position, with the hair being in the center of the follicle

    • D. 

      Being composed of dead epidermal cells, whereas a hair follicle is composed of living dermal cells

  • 87. 
    The subcutaneous layer can be described as
    • A. 

      Being composed of loose connective tissue and adipose tissue

    • B. 

      The skin

    • C. 

      Functioning as a heat insulator or helping to conserve body heat

    • D. 

      All of the above

  • 88. 
    The tough layer of waterproof material that makes up the outermost portion of the wpidermis is called the stratum lucidum
    • A. 

      True

    • B. 

      False

  • 89. 
    • A. 

      True

    • B. 

      False