Kaplan nursing entrance exam-science

Kaplan nursing entrance exam-science
1. lymphatic system -picks up fluid leaked from blood vessels and
returns it to blood.
-disposes of debris in the lymphatic stream.
-houses white blood cells (lyphocytes) involved in immunity.
-the immune response mounts the attack
against foreign substances within the body.
2. nervous system responds to internal and external changes by
activating appropriate muscles and glands.
3. digestive system breaks down food into absorbable units that
enter the blood for distribution to body cells.
4. cardiovascular system blood vessels transport blood which carries
oxygen, carbon dioxide, nutrients, water, etc.
5. respiratory system keeps blood constantly supplied with oxygen
and removes carbon dioxide.
6. urinary system -eliminates nitrogenous wastes from the body.
-regulates water,electrolyte and acid-base
balance of the blood
7. endocrine system glands secrete hormones that regulate
processes such a growth, reproduction, and
nutrient use (metabolism) by body cells.
8. what are the 3 parts of
homeostatic regulation?
1. the receptor- receives info that something
in the environment is changing.
2. the control center- receives and processes
information from the receptor.
3. the effector- responds to the commands
of the control center by either opposing or
enhancing the stimulus.
9. what is homeostasis? the bodys attempt to maintain a constant internal enviroment.