Human Anatomy and Physiology Quiz

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Questions and Answers

What is the most abundant type of cartilage in the body?

  • Elastic cartilage
  • Fibrocartilage
  • Hyaline cartilage (correct)
  • Chondrocartilage

What is the deepest layer of the epidermis?

  • Stratum corneum
  • Stratum lucidum
  • Stratum granulosum
  • Stratum basale (correct)

What is the functional unit of compact bone?

  • Osteon (correct)
  • Osteoclast
  • Osteoblast
  • Osteocyte

Which type of muscle tissue is involuntary and found in the digestive tract?

<p>Smooth muscle (C)</p> Signup and view all the answers

What is the classification of joints based on the degree of movement they allow?

<p>Functional classification (B)</p> Signup and view all the answers

What is the structure composed of osteoblasts, osteocytes, and osteoclasts?

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

What is the primary function of lysosomes in a cell?

<p>Waste management and cellular digestion (C)</p> Signup and view all the answers

Which type of chemical bond is responsible for holding nucleotides together in DNA?

<p>Hydrogen bond (A)</p> Signup and view all the answers

What is the term for the maintenance of a stable internal environment despite changes in the external environment?

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

Which type of cellular junction allows for the direct exchange of molecules between adjacent cells?

<p>Gap junction (A)</p> Signup and view all the answers

What is the term for the 'raw materials' that are used to synthesize biological molecules?

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

What is the primary function of the endoplasmic reticulum in a cell?

<p>Protein modification and transport (A)</p> Signup and view all the answers

What is the primary component of thick filaments in muscle cells?

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

Which of the following ions is involved in the action potential generation in muscle cells?

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

What is the role of calcium in the cross-bridge cycle of muscle contraction?

<p>It binds to troponin and tropomyosin (A)</p> Signup and view all the answers

What is the most efficient mechanism of ATP regeneration in muscle tissue?

<p>Oxidative phosphorylation (C)</p> Signup and view all the answers

What structure allows communication between the two hemispheres of the brain?

<p>Corpus callosum (B)</p> Signup and view all the answers

What are the 5 lobes that make up the cerebral hemispheres of the brain?

<p>Frontal, parietal, temporal, occipital, and insular (C)</p> Signup and view all the answers

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