TOPICS 200 QUESTIONS WITH
ANSWERS VERIFIED BY EXPERTS
Anatomy - CORRECT ANSWER>>>>Scientific study of the body's structures
Physiology - CORRECT ANSWER>>>>Scientific study of the function of the structures and
how they work together to support the function of life
Homeostasis - CORRECT ANSWER>>>>The body's mechanisms that allow the body to
fluctuate in normal ranges around a physiological value or set point
Fundamental levels of organization - CORRECT ANSWER>>>>Subatomic particles < atoms <
molecules < organelles < cells < tissues < organs < organ systems < organisms
Neutrons - CORRECT ANSWER>>>>Neutral charge
Protons - CORRECT ANSWER>>>>Positive charge
Electrons - CORRECT ANSWER>>>>Negative charge
Cells - CORRECT ANSWER>>>>Smallest independently functioning unit of the living
organism
Tissues - CORRECT ANSWER>>>>Groups of similar cells that perform a particular function
Organs - CORRECT ANSWER>>>>Groups of 2 or more tissue types that have 1 or more
physiological function(s)
Organ systems in the human body - CORRECT ANSWER>>>>11 organ systems:
integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory,
digestive, urinary, male or female reproductive
5 basic functions of human life - CORRECT ANSWER>>>>Organization, metabolism,
responsiveness, movement, development/growth/reproduction
Catabolism - CORRECT ANSWER>>>>Breakdown of large substances into smaller
components
Anabolism - CORRECT ANSWER>>>>Assembling large substances from smaller components
ATP - CORRECT ANSWER>>>>Main energy source that cells use for metabolic processes
Percentage of room air composed of oxygen - CORRECT ANSWER>>>>20%
,Brain's tolerance without oxygen - CORRECT ANSWER>>>>5 minutes before irreversible
damage occurs
Body mass percentage that is water - CORRECT ANSWER>>>>70%
Human body's normal temperature - CORRECT ANSWER>>>>37° C or 98.6 ° F
Sensor (receptor) - CORRECT ANSWER>>>>Monitor physiological value and report to control
center
Control center - CORRECT ANSWER>>>>Compares value to normal range and activates
effector if deviation is too much
Effector - CORRECT ANSWER>>>>Cause changes to reverse the situation and return value to
normal range
Negative feedback - CORRECT ANSWER>>>>Reversible process that brings the body back to
homeostasis/set point
Positive feedback example - CORRECT ANSWER>>>>Childbirth
Directional terms - CORRECT ANSWER>>>>Anterior/ventral, posterior/dorsal,
superior/cranial, inferior/caudal, lateral, medial, proximal, distal, superficial, deep
Plane cutting the body into anterior and posterior halves - CORRECT
ANSWER>>>>Frontal/coronal
Cavities in the dorsal cavity - CORRECT ANSWER>>>>Cranial and vertebral cavities
Cavities in the ventral cavity - CORRECT ANSWER>>>>Thoracic, abdominal, and pelvic
cavities
Visceral serous membrane - CORRECT ANSWER>>>>Lines the walls of the organ itself; e.g.,
pleural, pericardial, and peritoneal
Matter - CORRECT ANSWER>>>>Anything that has mass and occupies space
Mass - CORRECT ANSWER>>>>Amount of matter in an object
Weight - CORRECT ANSWER>>>>Mass affected by gravity
Elements - CORRECT ANSWER>>>>Cannot be broken down
Atomic number - CORRECT ANSWER>>>># protons in the nucleus, identifies element and
tells us how many electrons are present
, Mass number - CORRECT ANSWER>>>>Protons + neutrons
Isotope - CORRECT ANSWER>>>>Element with the same atomic number but different mass
number
Maximum electrons in electron shells 2-5 - CORRECT ANSWER>>>>8
Octet Rule - CORRECT ANSWER>>>>Atoms want to fill their valence shell with maximum
electrons to be more electrically stable
Positively charged ions - CORRECT ANSWER>>>>Cations
Negatively charged ions - CORRECT ANSWER>>>>Anions
Ionic bonds - CORRECT ANSWER>>>>Association between ions with opposite charges
Covalent bonds - CORRECT ANSWER>>>>Sharing of electrons in mutually stabilizing
relationship
Hydrogen bonds - CORRECT ANSWER>>>>Weak positive charge on H bound to
electronegative atom attracted to another electronegative charge on another molecule
Chemical reactions - CORRECT ANSWER>>>>Synthesis, decomposition, exchange; products
and reactants involved
Enzyme - CORRECT ANSWER>>>>Substance that increases the reaction rate without
undergoing a change by lowering activation energy
Organic compound - CORRECT ANSWER>>>>Compound containing carbon and hydrogen
Liquid mixtures - CORRECT ANSWER>>>>Solutions (solvent dissolves solute), colloids
(opaque clumps of molecules), suspensions (heavier substances suspended)
Polar molecule - CORRECT ANSWER>>>>Water
Water's involvement in chemical reactions - CORRECT ANSWER>>>>Dehydration synthesis
and hydrolysis
Human body's normal pH - CORRECT ANSWER>>>>7.4
Carbon's valence shell electrons - CORRECT ANSWER>>>>4; forms covalent bonds
Polysaccharide in animal tissue - CORRECT ANSWER>>>>Glycogen