Anatomy Basics: Directions, Neurons, and Muscle Contraction
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Questions and Answers

What is the primary function of the choroid plexus in the central nervous system?

  • To produce cerebrospinal fluid (correct)
  • To regulate blood pressure in the brain
  • To stimulate neuronal activity
  • To filter out toxins from the bloodstream
  • During which stage of growth and development does intramembranous ossification occur?

  • Childhood growth
  • Adolescent development
  • Fetal development
  • Embryonic development (correct)
  • What is the term for the process by which cerebrospinal fluid is recycled back into the blood?

  • Arachnoid villi absorption (correct)
  • Diffusion
  • Phagocytosis
  • Reabsorption
  • Which type of bone is characterized by a compact, dense structure and is found in the shafts of long bones?

    <p>Compact bone</p> Signup and view all the answers

    What is the term for the condition in which the bones become brittle and porous due to a lack of vitamin D and calcium?

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

    Which type of neuron is responsible for transmitting signals from the central nervous system to skeletal muscles?

    <p>Motor neuron</p> Signup and view all the answers

    What is the primary site of innervation for the mimetic muscles?

    <p>CN VII - Facial nerve</p> Signup and view all the answers

    What is the primary function of the tensor tympani muscle?

    <p>To regulate the amount of sound that enters the ear</p> Signup and view all the answers

    At what level of the vertebral column does the spinal cord typically end?

    <p>L1-L2</p> Signup and view all the answers

    What is the primary cause of Horner's Syndrome?

    <p>Damage to the sympathetic ganglion</p> Signup and view all the answers

    What is the primary function of the suspensory ligaments in the breast?

    <p>To support the weight of the breast</p> Signup and view all the answers

    What is the primary structure that articulates with the transverse process of the vertebrae in the rib cage?

    <p>Tubercle of the rib</p> Signup and view all the answers

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