Biol 2325 - Homework 1
Which of the anatomical planes listed below are vertical? 1. frontal 2. midsagittal 3. oblique 4. parasagittal 5. transverse
1, 2, 4
Which of the choices listed below are characteristics shared by all epithelial tissues? 1. contain a high amount of extracellular matrix (substance between cells) 2. avascular (no blood vessels) 3. cells closely joined together 4. form surface layers 5. found immediately next to blood-vessel rich connective tissues
2, 3, 4, 5
Epithelial tissues play which important roles in the body?
All of these choices are important roles for Epithelial tissues *absorption *filtration *protection *secretion
Which of the following represent the order of organization from simple to complex?
Chemical, cellular, tissue, organ, system, organismal
What is the difference between a plane and a section?
a section is a cut whereas a plane is an imaginary flat surface that passes through the body
When a person is standing, facing forward, arms to the side with palms facing forward, they are in the _______.
anatomical position
The following terms/names - simple squamous; stratified cuboidal and simple columnar - reflect the ________ of epithelial cells.
both number of layers and shape
Epithelial tissues can be classified into various categories according to
cell shape and number of layers
Which of the following are the smallest living units in the human body?
cells
Heart valves need to be able to resist stress in various directions. Which type of connective tissue best serves this purpose?
dense irregular
In the figure shown, the carpals are ______ to the humerus?
distal
Which tissue is characterized as having a free surface, being avascular (without blood vessels), and containing layers of cells?
epithelial
The major difference between ______________ tissue and _______________tissue is the percentage of cells to matrix. Use figure below as reference.
epithelial, connective
The sagittal plane is a vertical plane that divides the body into anterior and posterior segments.
false
Which of the following types of cells, found in connective tissue, are the most abundant?
fibroblasts
When the human body is in the anatomical position, the palm of the hand faces:
forward
Connective tissues differ from epithelia in that they
have much extracellular material
Which subdiscipline of anatomy examines the microscopic structure of tissues?
histology
Using anatomical directional terms, complete the following:the ulna is ______ to the radius.
medial
Which of the following tissues has as a distinguishing characteristic, the ability to contract (shorten)?
muscular
A system in the body is composed of related _______ with a common function.
organs
The liver, heart, pancreas, and lungs would be good examples of ________.
organs
In the figure shown, which type of epithelium is indicated?
simple columnar epithelium
Which type of epithelium consists of two or more layers of cells that protect underlying tissues in locations where considerable wear and tear occur?
stratified epithelium
In the figure shown, which type of epithelium is indicated?
stratified squamous epithelium
Anatomy focuses on the __________________ of the human body.
structure
Which of the following is a typical characteristic of connective tissue?
structure of extracellular matrix determines much of the tissue's qualities
Cells with a common function form ________ which work together for a special role or function.
tissues
Which anatomical plane divides the body into top and bottom "halves"?
transverse
Pseudostratified columnar epithelium has one layer of cells.
true
