PHYSIOLOGY 6TH EDITION EXAM QUESTIONS WITH
CORRECT WELL DETAILED ANSWERS GRADED A+
endocrine - ✅✅The organ system that includes glands that secrete hormones.
gastrointestinal system - ✅✅A system involved in the digestion and absorption
of food.
respiratory system - ✅✅A system responsible for the exchange of gases between
the body and the environment.
cardiovascular system - ✅✅A system that circulates blood throughout the body,
delivering oxygen and nutrients.
urinary system - ✅✅A system responsible for the elimination of waste products
from the body and regulation of water balance.
gastrointestinal and urinary systems - ✅✅Systems that work together in
digestion and waste elimination.
,filtration - ✅✅The process whereby fluid from the bloodstream enters the
tubules of the kidneys.
excretion - ✅✅The process of eliminating waste products from the body.
secretion - ✅✅The process of producing and releasing substances from cells.
absorption - ✅✅The process of taking in nutrients from the digestive tract into
the bloodstream.
reabsorption - ✅✅The process whereby fluid in the kidneys is transported from
the tubules back into the bloodstream.
selectively permeable membrane - ✅✅A membrane that allows the movement of
particular molecules across it.
extracellular fluid - ✅✅Fluid that is composed of interstitial fluid and plasma.
total body water - ✅✅The total amount of water in the body, composed of
intracellular and extracellular fluid.
,location of total body water - ✅✅Most of our total body water is located inside
cells.
water compartments in the body - ✅✅The intracellular fluid compartment
contains most of the water found in the human body.
extracellular fluid compartments - ✅✅The two extracellular fluid compartments
of the body are interstitial fluid and plasma.
interstitial fluid - ✅✅The portion of body water outside of cells that bathes most
cells of the body.
plasma - ✅✅The fluid component of blood that contains water, electrolytes, and
proteins.
intracellular fluid - ✅✅Fluid found inside cells, distinct from extracellular fluid.
Intracellular fluid - ✅✅Rich in proteins and potassium.
Extracellular fluid - ✅✅The fluid compartment with a high sodium
concentration that contains only trace amounts of protein.
, Water in body compartments - ✅✅For a person weighing 150 pounds, there are
42 liters of water contained in all of the body's compartments.
Homeostasis - ✅✅The process whereby the body maintains a constant internal
environment.
Heat stroke - ✅✅The most serious condition associated with excess heat.
Stable internal environment - ✅✅The maintenance of a stable internal
environment compatible for life is called homeostasis.
Primary mechanism for maintaining homeostasis - ✅✅Negative feedback.
False statement about homeostasis - ✅✅The primary mechanism to maintain
homeostasis is positive feedback.
Changes in the external environment - ✅✅Alter the regulated variable, which is
detected by the sensor.
Lisinopril - ✅✅A medication that lowers high blood pressure back to within a
desired range of function.