A student in a histology class was asked to describe the structure of a stratified squamous epithelium. Which of the following s
hould he use? Group of answer choices a. tissue composed of contracting protein fibers enclosed by plasma membranes
b. tissue composed of one layer of flat cells located on a basement membrane
c. tissue composed of protein fibers in a ground substance and a few cells
d. tissue composed of several layers of tall cells resting on a basement membrane
e. tissue composed of several layers of flat cells resting on a basement membrane
The correct option is e. tissue composed of several layers of flat cells resting on a basement membrane
Explanation:
When you look in the miscorscope the structure of a stratified squamous epitellium, you can see several layers of flat cells resting on a basement membrane. In this kind of epitellium not all cells are flat, some have a different shape. As you can imagine, only one of the layers are in touch with the basement membrane.
Another feature of the stratified squamous epitellium is that it can have keratin or not. Examples of this epitellium are found in skin or esophagus.
The answer is Aspiration pneumonia. The low pressure in the cuff of the endotracheal tube is a risk for the aspiration pneumonia while the high cuff pressure can cause ischemia, pressure necrosis and tracheal bleeding.Hope this would be of big help.
