assignment_questions_final

advertisement
Assignment: Questions
During
increased
exercise,
by
the
blood
autoregulation.
flow
How
to
does
the
this
active
work?
skeletal
What
muscles
other
is
controls
on blood flow operate?
In the exercise, the blood flow to active skeletal muscles expounds auto regulation. This
works in a unique way where the blood flows to the skeletal muscle that initially decreases because
of the sympathetic stimulation of blood vessels responsible for contraction. Later on, when muscles
start working, they start producing byproducts of metabolism, adenosine, carbon dioxide and other
wastes. It is these waste products that stimulate dilation of blood vessel (Lee, 2003). It is from this
way that blood is shunted off the muscles that are not working and apparently do not need it
towards the muscles that are working.
Compare
Describe
a
capillary
bed.
Define
the
hearts
the
two
Explain
peripheral
of
a
trained
types
of
pressures
the
role
resistance.
of
each
Explain
athlete
controlling
pressure
several
and
a
fluid
in
nonathlete.
movement
fluid
factors
in
movement.
that
cause
it to increase and its effect on arterial blood pressure.
Comparing the hearts of a trained athlete and a nonathletic individual definitely gives a
different results in controlling fluid movement in a capillary bed. Capillary has the sole function
where oxygen and Carbon dioxide rightly diffuse ion and out of capillary, with nutrients being
transported through pores in those capillaries. An individual who is an athlete has better flow of
blood and carbon dioxide where the functions of the capillary is more effective than it is the case
for non-athletes. There are various factors that affect the pumping action of the blood into the
entire human body. These factors are the blood volume, blood’s viscosity and resistance to flow.
It is entail to understand that, in order to maintain adequate blood flow, the heart must pump harder,
thus blood leaves the heart at a great pressure (Lee, 2003). It is because of this reason that arterial
blood pressure is connected the heart.
List
and
What
briefly
is
describe
the
mucosa-associated
components
lymphoid
of
tissue
the
(MALT)?
lymphatic
What
role
system.
does
it play in the body's defenses?
There are four main components of lymphatic system. These are:
Nodes- are the clumps of tissue that are populated by lymph.
Lymph- mucosal fluid.
Vessel. These are the lymph vessels
Organs-this is the main organ in lymphatic system is usually the spleen.
Mucosa associated lymphoid tissue, MALT, is usually scattered along the mucosal lining
in human body. It constitutes one of the most extensive component in human lymphoid tissue.
You
can
you
are
use
a
researcher
antibodies
interested
to
in
locate
studying
the
actin-
and
cytoskeleton.
How
tubulin-containing
structures?
One can use antibodies to locate actin and tubulin- containing structures in cytoskeleton. This can
be achieved through injection of the human actin or antibodies into rabbits. Rabbits are used since
they produce monoclonal antibodies from the protein ad through isolation of these antibodies that
are
specifically
useful
in
human
actin
and
tubulin
(Rosemary,
2005).
How
do
the
innate
and
adaptive
immune
systems
differ
in
their
responses to foreign substances? Explain.
Innate system is basically the collection of cells, molecules and tissues that protect human
from pathogenic microbes as well as toxins of environment. Adaptive immune system on the other
hand is usually brought into action against any pathogens that evade or overcome the innate
defenses.
References
Lee W. Bass, J. H. (2003). The Style and Management of a Pediatric Practice. Washington DC:
Beard Books.
Rosemary G. Mathias, T. C. (2005). Practices in No-show and Late Cancellation Policies for
ADA Paratransit. new york: Transportation Research Board.
Download