Block I Review

Which of the following is NOT a common feature of the epithelium?

• Close apposition of cells

• Basal surface is adjacent to connective tissue

• Sheets of epithelial cells may be modified into tubes forming glands

• Highly vascular

What type of glands are apocrine, holocrine, are merocine glands considered?

• Exocrine

• Endocrine

• Allocrine

Which cellular modification to epithelium helps bind cells to the basement membrane?

• Cilia

• Desmosomes

• Hemidesmosomes

• Microvilli

True/False: Simple squamous epithelium is permeable and allows passage of molecules

• True

• False

Which is true of pseudostratified columnar epithelium?

• Is a multi-layered epithelium

• All the cells attach to the basement membrane

• Functions to block absorption

• Nuclei are arranged in a straight line with uniform shape

Fill in the blank: ______ become trapped in the bone to become ______

• Osteocytes, osteoblasts

• Osteoblasts, osteocytes

• Osteoblasts, osteoclasts

• Osteoids, osteoblasts

What is the functional unit of bone?

• Osteons

• Osteoblasts

• Osteoclast

• Osteocyte

What is the difference between bone modeling and remodeling?

• Modeling: Change shape

  Remodeling: replace with new bone

• Modeling: replace with new bone

  Remodeling: change shape

• Modeling: removal of bone

  Remodeling: change of shape

Where does membranous ossification NOT cause growth?

• Flat bones

• Diaphyseal cortices

• lengthening of long bones

• skull

Which is true about articular (hyaline) cartilage?

• Chondrocytes have unlimited replicative potential

• Chondroid matrix is primarily Type III collagen

• Highly avascular and nourished by synovial fluid

• Chondroctyes have small, negligible cell processes