practice exam Flashcards
Cilia occur in or on:
the apical surface of certain epithelial cells; upper respretory tract.
Microvilla occur in or on:
moist epithelium in the body, used for absorption: kidney tubules/ small intestine.
elastic cartilage is found in:
external ear, epiglottis
Endochondral formation of a long bone
Involves secreting bone matrix on calcified cartilage
Which is descriptive of the dermis?
contains blood vessels
B. contains oil glands
C. contains elastic fibers
Suppose you are constructing a new epithelium. You take a layer of squamous cells, and on its apical surface you place a layer of columnar cells. According to the rules for naming epithelia, this would be a:
stratified columnar epithelium
A thermometer breaks, and you unwisely handle the exposed liquid mercury, which passes through your skin and reaches your blood. Which of the following MUST the mercury pass through on its way to the blood?
Endothelium
woven bone contains no
lamella
woven bone is found in
Endochondral bone formation, prior to formation of a periosteum.
B. Endochondral bone formation, in the primary ossification center.
You are shrunk down to microscopic size, magically transported into the body of your roommate, and find that your feet are standing on the apical surface of a mesothelium, and the rest of your body is surrounded by fluid. The fluid is:
A filtrate of blood.
The ground substance of all cartilage:
Is mostly water
B. Contains glycosaminoglycan, which attracts water
Tactile epithelial cells are found in the:
Stratum basale
In the idealized diagram of body cavities and membranes that was presented in class, which of the following lists layers and/or spaces in correct order, from superficial to deep?
Serous cavity, visceral serosa, mucosa
What do mesothelium and endothelium have in common?
They both are simple squamous epithelium.
Which of the following features is a component of compact bone tissue?
Gap junctions B. Chondrocytes C. Trabeculae D. Periosteum E. Yellow marrow ANSWER is only GAP JUNCTIONS
