BIO 156 EXAM 3 | 269 ACTUAL QUESTIONS
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT | UPDATED
2025
4 major categories of tissues - ANSWER epithelial, connective, muscle, nervous
epithelial tissue - ANSWER Tissue that covers outside of the body and lines
organs and cavities. Classified by the number of cell layers and the shape of the
cells.
simple squamous epithelium - ANSWER Single layer of flattened cells that has a
large surface area that aids in diffusion. These cells are important components of
kidneys and lungs where filtration and diffusion are essential.
simple cuboidal epithelium - ANSWER A single layer of cells that is the same
heighth and width. These cells secrete and absorb materials in glands and kidney
tubules.
simple columnar epithelium - ANSWER A single layer of cells which are taller
than they are wide. The cells line the digestive tract and aid in the secretion and
absorption of materials. Ciliated cells located in the upper respiratory tract,
fallopian tubes, and other passages help to move materials through an internal
passageway.
goblet cells - ANSWER Secrete a protective lubricating mucus
,stratified squamous - ANSWER Several layers of flattened cells that serve an
important role in the protection of the body. The cells are found in areas where
heavy abrasion occurs.
Stratified cuboidal or stratified columnar - ANSWER These cells are found in
limited areas of the human body including the sweat glands, mammary glands
(stratified cuboidal), the male urethra, and the pharynx (stratified columnar)
psuedostratified columnar - ANSWER Single layer of Columnar cells that all rest
on the basement membrane, but which have cell nuclei at different levels, which
gives the appearance of numerous cell layers. Pseudostratified columnar cells
secrete or absorb substances and can be found in the respiratory tract were
ciliated tissue propels dust that is trapped by mucus secreting goblet cells away
from the lungs.
transitional epithelium - ANSWER Basal cells of transitional epithelia are
cuboidal or columnar, however their appearance changes because they make up
the lining of hollow urinary organs that stretch when filled with urine. As the
organs fill, the cells stretch and become flattened and squamous in appearance
Gland - ANSWER One or more cells that make and secrete a water based fluid
that usually contains proteins
endocrine glands - ANSWER Called ductless glands because they do not
connect to the surface, these glands secrete hormones directly into the blood.
Examples include the thyroid and pituitary
,Exocrine glands - ANSWER Contain ducts through which the secretions pass to
the epithelial surface, includes sweat and oil glands
The heart is in which body cavity - ANSWER Thoracic
All glands in the body, such as salivary glands and the pancreas, are derived from
which type of tissue - ANSWER epithelial
The benefits of aerobic excercise include all of the following - ANSWER
Increased number of mitochondria
Increased blood supply
Increased supply of myoglobin
Increased activity of lipoprotein lipase
The name of an epithelial tissue tells - ANSWER The number of cell layers
The shape of the cells
What type of tissue covers body surfaces or lines cavities - ANSWER epithelial
The most common type of joint in the human body is a - ANSWER Synovial
joint
When body temperature is too low, which of the following occurs - ANSWER
Blood vessels in the skin contract
, Which type of injury is treated first with an ice pack and later with a heating pad?
- ANSWER A joint sprain
Which tissue includes blood and adipose tissue? - ANSWER Connective tissue
When riding a horse, a jockey squeezes his thighs together to stay on the saddle.
This is an example of - ANSWER Adduction
Which of these is an example of positive feedback? - ANSWER Labor pains
increasing in frequency and intensity
Epithelial tissues are characterized as such because they - ANSWER Cover both
external and internal body surfaces
Which tissue includes the epidermis? - ANSWER Epithelial tissue
The basic unit of nervous tissue is the - ANSWER Neuron
What stops growth plates from calcifying, preserving their ability to grow? -
ANSWER Growth hormone
A computer programmer complains of pain in his wrist and numbness and tingling
of his fingers. He likely suffers from - ANSWER Carpal tunnel syndrome
Which of the following is an inherited disorder in which skeletal muscle fibers
break down? - ANSWER Dystrophy
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