Exam 1 Kahoot Questions

Cards (69)

  • What is true of Integrins?
    Send relay signals between the cell and the ECM.
    Help with adhesion.
    Impart polarity to the cell.
  • Which can typically cross a semipermeable membrane?
    -Carbon Dioxide
    -Oxygen
    -Steroid Hormones
    -Thyroid Hormone
  • Why are cells in body organs generally within 100 um of a blood capillary?
    To decrease mean diffusion time
  • Cardiac muscle tissue is joined together by _ _ ?
    Intercalated Discs
  • T/F: Skeletal muscle tissue has 1 nucleus per cell?
    False
  • _ are transmembrane proteins that connect the cytoskeleton to the ECM when activated.
    Integrins
  • Channels present in the membranes of some cells that allow rapid movement of water are called _.
    Aquaporins
  • Which has a direct requirement for ATP in order to function properly?
    Primary Active Transport
  • Which glucose carrier is activated by insulin or exercise?
    GLUT 4
  • Transport across epithelial membrane is limited by __.
    Junctional Complexes
  • The cell membrane is most permeable to which ion?
    K+
  • Which glucose carrier is found in the pancreatic beta cells as well as the hepatocytes of the liver?
    GLUT 2
  • Mannitol is sometimes given intravenously because it is hypertonic to your cells. When would you give someone mannitol?

    To reduce a cerebral edema (swelling due to excess fluid)
  • __ connect the two cytoplasms of adjacent cells together and allow ions and regulatory molecules to pass through.
    Gap Junctions
  • _ signaling involves neurons secreting neurotransmitters across a synapse to target cells.
    Synaptic
  • _ is the ion which contributes most to the resting potential of the cell membrane.
    K+
  • Generally the intracellular compartment is _ charged, while the extracellular compartment is _ charged.
    negatively, positively
  • Large molecules exit cells via a mechanism of bulk transport called _.
    Exocytosis
  • Name an important secondary messenger.
    cAMP, G Protein
  • G proteins are composed of how many protein subunits?
    3
  • _ signaling involves glands that secrete hormones into the bloodstream.
    Endocrine
  • _ signaling is when cells within an organ secrete molecules that diffuse across the extracellular space to target cells. 

    Paracrine
  • T/F: The peripheral nervous system includes the brain and spinal cord?
    False
  • Action potentials are generated at the _ _.
    Axon Hillock
  • _ transport involves moving from the cell body to the axon.
    Anterograde
  • T/F: Most brain tumors in adults are due to uncontrolled cell division of neurons.
    False
  • _ transport involves moving from the axon to the cell body.

    Retrograde
  • What phase of a clinical trial is concerned with testing other potential uses of a drug?
    Phase 4
  • which phase of a clinical trial involves testing the drug solely on healthy humans?
    Phase 1
  • Which scientist is known for coining the term homeostasis?
    Cannon
  • Jane is a diabetic with dementia who is chosen for a drug trial for a new type of insulin pump. This would be Phase _?
    3
  • _ regulatory mechanisms are located within the organs themselves?
    Intrinsic
  • The endocrine system works by secreting chemical regulators known as _ into the blood.
    Hormones
  • The nervous system works by secreting _ into the synapse.
    Neurotransmitters
  • What type of muscle tissue is typically found attached to tendons and functions in support as well as movement?
    Skeletal Muscle
  • What part of the neuron typically receives input from receptor cells or other neurons?
    Dendrites
  • What type of muscle tissue is typically found lining the walls of the digestive tract?
    Smooth Muscle
  • T/F: When vascular smooth muscle surrounding a blood vessel contracts, you get more flood flow to that region?
    False
  • A drug cannot enter Phase _ of a clinical trial until you have FDA approval?
    4
  • What scientist described how the autonomic nervous system functions?

    Langley