WCU PHYS 261 – midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT
VERIFIED ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
What is physiology? - (answer)the study of function of the body - how the body parts work and carry out
their life sustaining activities
Cell - (answer)The basic unit of structure and function in living things
Level of organization - (answer)atom, molecule, cell, tissue, organ, organ system, organism, population
of one species, eco system of diff species, biosphere
Homeostasis - (answer)a constant state of natural balance within the body
placebo effect - (answer)a positive result from a healing method due to a symbolic or otherwise
nonmaterial factor
nocebo effect - (answer)a negative placebo effect due to the expectation of adverse consequences from
receiving treatment
dependent variable - (answer)WHAT YOU MEASURE- ON Y AXIS
independent variable - (answer)variable that is manipulated
control group - (answer)the group that does not receive the experimental treatment.
Atom - (answer)Basic unit of matter
,WCU PHYS 261 – midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT
VERIFIED ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
3 subatomic particles - (answer)protons, neutrons, electrons
Protons - (answer)an atom that gains/loses protons becomes different element
Electron - (answer)becomes ion in same element
Neutron - (answer)becomes isotope of same element
atomic number - (answer)number on top
atomic mass - (answer)(at the bottom)Number of protons and neutrons
free radicals - (answer)unpaired electrons- normally pairs. will try to steal an electron from another mol
covalent bond - (answer)a strong chemical bond resulting from the sharing of a pair of electrons
between two atoms
ionic bond - (answer)A chemical bond resulting from the attraction between oppositely charged(cation
and anions) ions
-opposites attract
Ions - (answer)positively and negatively charged atoms
(Na+ = lost one electron)
, WCU PHYS 261 – midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT
VERIFIED ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
hydrogen bond - (answer)weak/partial
Flourine, Nitrogen, Oxygen
water surface tension, boiling, and freezing
van der Waals forces - (answer)weak, nonspecific forces between molecules.
CHO - (answer)most abundant
Carbon, Hydrogen, Oxygen
mono/disacch - simple sugar
poly- complex
Lipids - (answer)C & H little O
nonpolar
triglyceride- most abundant/important
phospholipids-eicosanoids/steroids
PRO - (answer)made up of AA(20 in total- obtained in diet)
most versatile biomol
Nucleotide - (answer)energy + info transfer
ATP, ADP, cAMP
VERIFIED ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
What is physiology? - (answer)the study of function of the body - how the body parts work and carry out
their life sustaining activities
Cell - (answer)The basic unit of structure and function in living things
Level of organization - (answer)atom, molecule, cell, tissue, organ, organ system, organism, population
of one species, eco system of diff species, biosphere
Homeostasis - (answer)a constant state of natural balance within the body
placebo effect - (answer)a positive result from a healing method due to a symbolic or otherwise
nonmaterial factor
nocebo effect - (answer)a negative placebo effect due to the expectation of adverse consequences from
receiving treatment
dependent variable - (answer)WHAT YOU MEASURE- ON Y AXIS
independent variable - (answer)variable that is manipulated
control group - (answer)the group that does not receive the experimental treatment.
Atom - (answer)Basic unit of matter
,WCU PHYS 261 – midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT
VERIFIED ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
3 subatomic particles - (answer)protons, neutrons, electrons
Protons - (answer)an atom that gains/loses protons becomes different element
Electron - (answer)becomes ion in same element
Neutron - (answer)becomes isotope of same element
atomic number - (answer)number on top
atomic mass - (answer)(at the bottom)Number of protons and neutrons
free radicals - (answer)unpaired electrons- normally pairs. will try to steal an electron from another mol
covalent bond - (answer)a strong chemical bond resulting from the sharing of a pair of electrons
between two atoms
ionic bond - (answer)A chemical bond resulting from the attraction between oppositely charged(cation
and anions) ions
-opposites attract
Ions - (answer)positively and negatively charged atoms
(Na+ = lost one electron)
, WCU PHYS 261 – midterm Exam 2025 UPDATE/PRACTICE QUESTIONS AND CORRECT
VERIFIED ANSWERS(complete solutions) ASSURED SUCCESS/GRADED A+!!!
hydrogen bond - (answer)weak/partial
Flourine, Nitrogen, Oxygen
water surface tension, boiling, and freezing
van der Waals forces - (answer)weak, nonspecific forces between molecules.
CHO - (answer)most abundant
Carbon, Hydrogen, Oxygen
mono/disacch - simple sugar
poly- complex
Lipids - (answer)C & H little O
nonpolar
triglyceride- most abundant/important
phospholipids-eicosanoids/steroids
PRO - (answer)made up of AA(20 in total- obtained in diet)
most versatile biomol
Nucleotide - (answer)energy + info transfer
ATP, ADP, cAMP
