Cell Structure and Functions
34 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the patient's blood condition due to adrenal sufficiency?

  • Hypovolemic and hypernatremic
  • Hypovolemic and hyponatremic (correct)
  • Hypervolemic and hypernatremic
  • Hypervolemic and hyponatremic

    • What type of fluid would you give to the patient to treat hypotension?

  • Hypotonic
  • Isotonic (correct)
  • Electrolyte-rich
  • Hypertonic

    • Where does the transcription process occur in the cell?

  • Cytoplasm
  • Golgi apparatus
  • Ribosome
  • Nucleus (correct)

    • What is the result of a silent mutation?

    <p>No change in the amino acid sequence</p> Signup and view all the answers

    What is the definition of a gene?

    <p>The functional unit of heredity</p> Signup and view all the answers

    What is an example of a cause of genetic mutations?

    <p>Radiation exposure</p> Signup and view all the answers

    What is the primary reason for cyanosis in a lifelong smoker with emphysema?

    <p>Impaired gas exchange in the lungs</p> Signup and view all the answers

    Why is an infection more likely to occur after a scrape than when skin is intact?

    <p>The skin is exposed to bacteria after a scrape</p> Signup and view all the answers

    What is the long-term risk to a part of the body with damaged nerve endings?

    <p>Difficulty moving the affected part</p> Signup and view all the answers

    Why is a superficial papercut painful without bleeding?

    <p>The cut stimulates nerve endings</p> Signup and view all the answers

    What is the primary reason for cyanosis in an elderly patient with chronic heart failure?

    <p>Weakened heart pumping blood</p> Signup and view all the answers

    Why is the small child's skin blue in the cold pool?

    <p>Oxygen is not getting properly regulated through the blood</p> Signup and view all the answers

    What is the primary function of epithelial tissue?

    <p>To protect underlying structures and act as barriers</p> Signup and view all the answers

    Which type of gland produces hormones that are released directly into the bloodstream?

    <p>Endocrine gland</p> Signup and view all the answers

    What is the main function of connective tissue?

    <p>To provide structural support and connect tissues</p> Signup and view all the answers

    What is the term for the process by which cells secrete substances through exocytosis?

    <p>Merocrine</p> Signup and view all the answers

    What is the name of the type of tissue that can conduct electrical signals?

    <p>Nervous tissue</p> Signup and view all the answers

    What is the term for the layer of cells that forms the innermost layer of the embryo?

    <p>Endoderm</p> Signup and view all the answers

    What is the function of tight junctions in epithelial cells?

    <p>To form barriers and anchor cells to each other</p> Signup and view all the answers

    What is the term for the type of fiber that fills spaces between tissues and organs?

    <p>Reticular fiber</p> Signup and view all the answers

    What is the term for the process of inflammation in response to tissue damage?

    <p>Inflammation</p> Signup and view all the answers

    What is the term for the cells that release chemicals in response to injury?

    <p>Mast cells</p> Signup and view all the answers

    What is the main function of the plasma membrane?

    <p>Forms outer boundary of cell; controls what enters and leaves the cell</p> Signup and view all the answers

    Which organelle is responsible for modifying, packaging, and distributing proteins and lipids for secretion or internal use?

    <p>Golgi apparatus</p> Signup and view all the answers

    What is the primary function of the mitochondria?

    <p>Major sites of ATP synthesis when O2 is available</p> Signup and view all the answers

    What is the function of the centrioles?

    <p>Serves as centers for microtubule formation; determine cell polarity during cell division</p> Signup and view all the answers

    What is the main function of the nucleus?

    <p>Acts as the control center of cell; DNA within the nucleus regulates protein synthesis and chemical reactions of cell</p> Signup and view all the answers

    What is the role of the cytoskeleton?

    <p>Provides structural support and shape to the cell</p> Signup and view all the answers

    What is the primary function of chemical mediators in injured tissues?

    <p>To speed up the arrival of white blood cells and repair chemicals</p> Signup and view all the answers

    What happens to the capillaries as a result of the release of chemical mediators?

    <p>They dilate and become more permeable</p> Signup and view all the answers

    What is the result of increased capillary permeability in injured tissues?

    <p>Swelling and pain due to the exit of fluid and proteins from capillaries</p> Signup and view all the answers

    What is the primary function of white blood cells in the process of inflammation?

    <p>To phagocytize bacteria and other debris</p> Signup and view all the answers

    What is the difference between regeneration and replacement in the process of tissue repair?

    <p>Regeneration involves the formation of new cells of the same type as those that were destroyed, while replacement involves the formation of new cells of a different type</p> Signup and view all the answers

    What is the final stage of the tissue repair process?

    <p>The replacement of granulosum tissue with new connective tissue that forms a scar</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser