EXSC 223 Final Exam Questions and
Answers 100% Solved | Graded A+
positive feedback mechanisms tend to increase the original stimulus -
✔✔true
imaging is useful in discovering obstructed blood supplies in organs and
tissue - ✔✔true
the anatomical position means the body is standing at attention with the
palms facing forward and the thumbs pointing away from the body - ✔✔true
the elbow is proximal to the shoulder - ✔✔false
the serous membrane that lines the peritoneal cavity wall is called visceral
peritoneum - ✔✔false
a major function of serous membranes is to decrease friction - ✔✔true
the right hypochondriac region contains the majority of the stomach -
✔✔false
lungs carry out an excretory function - ✔✔true
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,embryology concerns the structural changes that occur in an individual
from conception through old age - ✔✔false
a tissue consists of groups of similar cells that have a common function -
✔✔true
it is important for any organism to maintain its boundaries so that it internal
environment remains distinct from the external environment - ✔✔true
without some sort of negative feedback mechanism it would be impossible
to keep our body chemistry in balance - ✔✔true
regardless of the variable being regulated all homeostatic control
mechanism have at least three interdependent components - ✔✔true
the epigastric region is located superior to the umbilical region - ✔✔true
the atomic weight is only an average of relative weights of an atom and its
isotopes and it may vary from the weight of a specific isotope - ✔✔true
emulsions and colloids are the same thing - ✔✔true
chemical properties are determined primarily by neutrons - ✔✔false
a charged particle is generally called an ion - ✔✔true
isotopes differ from each other only n the number of electrons contained -
✔✔false
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, about 60% to 80% of the volume of most living cells consists of organic
compounds - ✔✔false
lipids are a poor source of stored energy - ✔✔false
current information theorizes that omega-3 fatty acids decrease the risk of
heart disease - ✔✔true
glucose is an example of a monosaccharide - ✔✔true
a molecule consisting of one carbon atom and two oxygen atoms is
correctly written as CO2 - ✔✔true
the lower the pH the higher the hydrogen ion concentrations - ✔✔ture
covalent bonds are generally less stable than ionic bonds - ✔✔false
hydrogen bonds are comparatively strong bonds - ✔✔false
the fact that no chemical bonding occurs between the components of a
mixture is the chief difference between mixtures and compounds - ✔✔true
alpha particles, although relatively weak energy particles are second only
to smoking as a cause of lung cancer - ✔✔true
no chemical bonding occurs between the components of a mixture -
✔✔true
all organic compounds contain carbon - ✔✔true
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Answers 100% Solved | Graded A+
positive feedback mechanisms tend to increase the original stimulus -
✔✔true
imaging is useful in discovering obstructed blood supplies in organs and
tissue - ✔✔true
the anatomical position means the body is standing at attention with the
palms facing forward and the thumbs pointing away from the body - ✔✔true
the elbow is proximal to the shoulder - ✔✔false
the serous membrane that lines the peritoneal cavity wall is called visceral
peritoneum - ✔✔false
a major function of serous membranes is to decrease friction - ✔✔true
the right hypochondriac region contains the majority of the stomach -
✔✔false
lungs carry out an excretory function - ✔✔true
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,embryology concerns the structural changes that occur in an individual
from conception through old age - ✔✔false
a tissue consists of groups of similar cells that have a common function -
✔✔true
it is important for any organism to maintain its boundaries so that it internal
environment remains distinct from the external environment - ✔✔true
without some sort of negative feedback mechanism it would be impossible
to keep our body chemistry in balance - ✔✔true
regardless of the variable being regulated all homeostatic control
mechanism have at least three interdependent components - ✔✔true
the epigastric region is located superior to the umbilical region - ✔✔true
the atomic weight is only an average of relative weights of an atom and its
isotopes and it may vary from the weight of a specific isotope - ✔✔true
emulsions and colloids are the same thing - ✔✔true
chemical properties are determined primarily by neutrons - ✔✔false
a charged particle is generally called an ion - ✔✔true
isotopes differ from each other only n the number of electrons contained -
✔✔false
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, about 60% to 80% of the volume of most living cells consists of organic
compounds - ✔✔false
lipids are a poor source of stored energy - ✔✔false
current information theorizes that omega-3 fatty acids decrease the risk of
heart disease - ✔✔true
glucose is an example of a monosaccharide - ✔✔true
a molecule consisting of one carbon atom and two oxygen atoms is
correctly written as CO2 - ✔✔true
the lower the pH the higher the hydrogen ion concentrations - ✔✔ture
covalent bonds are generally less stable than ionic bonds - ✔✔false
hydrogen bonds are comparatively strong bonds - ✔✔false
the fact that no chemical bonding occurs between the components of a
mixture is the chief difference between mixtures and compounds - ✔✔true
alpha particles, although relatively weak energy particles are second only
to smoking as a cause of lung cancer - ✔✔true
no chemical bonding occurs between the components of a mixture -
✔✔true
all organic compounds contain carbon - ✔✔true
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
