Unraveling the Mysteries of Human Limb Development
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Questions and Answers

Which layer of the lateral-plate mesoderm do limb buds arise in?

  • Splanchnic Layer
  • Ectoderm
  • Neural Tube
  • Somatic Layer (correct)
  • When do upper limbs begin budding in humans?

  • 6th week
  • 4th week (correct)
  • 7th week
  • 5th week
  • Which layer of the lateral-plate mesoderm forms the dermis, connective tissue, tendons, cartilage, bone, and muscle?

  • Ectoderm
  • Mesoderm (correct)
  • Somatic Layer
  • Splanchnic Layer
  • What are the major components of limb development in humans?

    <p>Budding, limb defects, bends, rotations, joints</p> Signup and view all the answers

    Where do limb buds arise in the lateral-plate mesoderm?

    <p>Somatic Layer</p> Signup and view all the answers

    Which lipoprotein is most likely elevated in blood in patients with hyperlipoproteinemia and would benefit from a low-carbohydrate diet?

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

    From which compound are prostaglandins primarily derived in humans?

    <p>Arachidonic acid</p> Signup and view all the answers

    Which drug leads to the covalent modification and inactivation of both COX-1 and COX-2 enzymes?

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

    Which of the following is the key lipid formation that starts phosphoglyceride synthesis?

    <p>C. Phosphatidic Acid</p> Signup and view all the answers

    Insufficient lung surfactant leads to which of the following conditions?

    <p>D. None of the above</p> Signup and view all the answers

    Which metabolite of the cholesterol synthesis pathway would accumulate under conditions of taking a statin?

    <p>B. HMG-CoA</p> Signup and view all the answers

    Which one of the following apolipoproteins acts as a cofactor activator of the enzyme LPL?

    <p>B. ApoCII</p> Signup and view all the answers

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