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 (D)</p> Signup and view all the answers

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

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

From which compound are prostaglandins primarily derived in humans?

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

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

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

Insufficient lung surfactant leads to which of the following conditions?

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

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