Anatomy Lab Quiz 1 (ch. 1, 3, 4, & 5 pre-lab quizzes)
All animal cells have a cell wall.
False
In the anatomical position, the body is laying down.
False
The end product of mitosis is four genetically identical daughter nuclei.
False
You should always start you observation of specimens with the oil-immersion lens.
False
DNA replication occurs during:
Interphase
Your lab microscope is parfocal. What does this mean?
The slide should be almost in focus when you change to higher magnifications.
Blood is a type of connective tissue.
True
Endocrine and exocrine glands are classified as epithelium because they usually develop from epithelial membranes.
True
With regard to surface anatomy, ______, refers to the structures along the center line of the body.
axial
When a cell is not dividing, the DNA is loosely spread throughout the nucleus in a threadlike form called:
chromatin
The dorsal body cavity can be divided into the _____ cavity, which contains the brain, and the _____ cavity, which contains the spinal cord.
cranial, vertebral
During _____ the cell grows and performs its usual activities.
interphase
All connective tissue is derived from an embryonic tissue known as:
mesenchyme
Because these organelles are responsible for providing the most of the ATP that the cell needs, they are often referred to as the "powerhouses" of the cell. They are the:
mitochondria
Of the two major cell types found in nervous tissue, _____ cells are highly specialized to generate and conduct electrical signals.
neurons
All of the following are examples of connective tissue except:
neurons (blood, ligaments, and tendons are connective tissues)
Proteins are assembled on these organelles:
ribosomes
The _____ plane runs longitudinally and divides the body into right and left parts.
sagittal
The plasma membrane not only provides a protective boundary for the cell but also determines which substances enter or exits the cell. We call this characteristic:
selective permeablility
Which type of muscle tissue is found in the walls of hollow organs, has no striations, and has spindle-shaped cells?
smooth
Epithelial tissues can be classified according to cell shape. _____ epithelial cells are scalelike and flattened.
squamous
The microscope slide rests on the _____ while being viewed.
stage
Define a cell.
the structural and functional unit of all living things basic unit of life
Groups of cells that are anatomically similar and share a function are called:
tissues
The term superficial refers to a structure that is:
toward or at the body surface
How do you clean the lenses of your microscope?
with special lens paper and cleaner
If the ocular lens magnifies a specimen 10x, and the objective lens used magnifies the specimen 35x, what is the total magnification being used to observe the specimen?
350X
How many basic types of muscle tissue are there?
3; Skeletal, cardiac and smooth tissue.
How many primary tissue types are found in the human body?
4
How many stages of mitosis are there?
4; prophase, metaphase, anaphase, telophase