BIOS252 Comprehension Exam UPDATED ACTUAL Exam Questions and CORRECT Answers

BIOS252 Comprehension Exam UPDATED
ACTUAL Exam Questions and CORRECT
Answers
what are the 9 abdominopelvic regions? - CORRECT ANSWER -*left hypochondriac
*epigastric
*right hypochondriac
*left lumbar
*umbilical
*right lumbar
*left inguinal (iliac)
*hypogastric
*right inguinal (iliac)


what are the 11 organ systems - CORRECT ANSWER -*nervous
*respiratory
*endocrine
*digestive
*muscular
*reproductive
*circulatory
*integumentary
*skeletal
*lymphatic
*urinary


function of nervous system - CORRECT ANSWER -transmits signals from the brain to
the rest of the body

,function of respiratory system - CORRECT ANSWER -brings oxygen into the body while
removing carbon dioxide


function of endocrine system - CORRECT ANSWER -regulates body activities by
releasing harmones


function of digestive system - CORRECT ANSWER -break down and absorbs nutrients
from food and liquid and removes waste


function of muscular system - CORRECT ANSWER -movement and heat production



function of reproductive system - CORRECT ANSWER -creates offspring and releases
hormones to regulate reproduction


function of circulatory system - CORRECT ANSWER -deliver blood to cells of the body



function of integumentary system - CORRECT ANSWER -*protection
*vitamin D synthesis
*sensation
*thermoregulation
*nonverbal communication


function of lymphatic system - CORRECT ANSWER -to produce, maintain, and distribute
lymphocytes


function of urinary system - CORRECT ANSWER -*elimination of excess water and
waste
*control of pH

, definition of homeostasis - CORRECT ANSWER -the maintenance of a constant internal
environment


define a negative feedback loop - CORRECT ANSWER -changes are met with responses
that restore the balance back to the original state


define a positive feedback loop - CORRECT ANSWER -changes are met with responses
that amplify themselves until balance is restored


describe a covalent bond - CORRECT ANSWER -*typically between nonmetals
*form through the sharing of electrons
*there are 2 different types of these bonds: polar covalent and nonpolar covalent


describe a polar covalent bond - CORRECT ANSWER -when one atom in a bond has a
higher electronegativity causing the electrons to be shared unequally


describe an ionic bond - CORRECT ANSWER -*typically between metals and nonmetals
*form through the transfer of electrons
*form between cations (+) and anions (-)


describe a hydrogen bond - CORRECT ANSWER -weak bond between a hydrogen atom
and a pair of other atoms that have a high affinity for electrons


describe a synthesis reaction - CORRECT ANSWER -*occurs when two or more simple
compounds combine to form a more complicated one
*requires energy (endothermic)


describe a decomposition reaction - CORRECT ANSWER -*occurs when a complex
molecule breaks down to make simpler ones