3/29/25, 8:53
PM
TEAS 7 SCIENCE EXAM QUESTIONS AND ANSWERS VERIFIED
LATEST UPDATE 2025
Terms in this set (167)
The following diagram summarizes C. HCO3- + H+ --> H2CO3
the carbonic acid-bicarbonate ion
buffer system of the blood.
CO2 + H20 < > H2CO3 < > HCO3- + H+
Which of the following equations
show the reaction that takes place
when there are excessive protons
(H+) in the blood?
A. H2CO3 --> CO2 + H20
B.CO2 + H20 --> H2CO3
C. HCO3- + H+ --> H2CO3
D.H2CO3 --> HCO3- + H+
The following diagram summarizes D. H2CO3 --> HCO3- + H+
the carbonic acid-bicarbonate ion
buffer system of the blood.
CO2 + H20 < > H2CO3 < > HCO3- + H+
Which of the following equations
show the reaction that takes place
when there are very little protons
(H+) in the blood?
A. H2CO3 --> CO2 + H20
B.CO2 + H20 --> H2CO3
C. HCO3- + H+ --> H2CO3
D.H2CO3 --> HCO3- + H+
which of the following describes the B. Sublimation
process by which solid carbon
dioxide (dry ice) turns directly into
carbon dioxide gas?
A. Evaporation
B. Sublimation
C. Deposition
D. Condensation
which of the following describes A. The adhesive forces with the glass are greater than the cohesive
why water has a concave, or forces. concave meniscus is when molecules are attracted more to the
downward-curving, meniscus when container then themselves = adhesive forces = downward curving
poured in a glass beaker? concave meniscus is when molecules are attracted more to each other
A. The adhesive forces with the then the container = cohesive forces = upward curving
glass are greater than the
cohesive forces.
B.Glass has a higher density than
water.
C. Water has a higher density than
glass.
D.A. The cohesive forces with the
glass are greater than the
adhesive forces.
1/19
,3/29/25, 8:53
PM
Which of the following actions does A. The hormone binds to cell-surface receptors of the target cell.
a hydrophilic hormone take to hydrophilic = water loving hormones can just bind to the receptors on
activate a target cell? the outside of the cell which that binding can change the permeability
A. The hormone binds to cell- of the cell making it more open to activate this target cell (usually its a
surface receptors of the target second messenger system). This is action is when the endocrine system
cell. sends hormones to target cells.
B. The hormone passes
through the plasma
membrane of a target cell.
C. The hormone binds to a
cytosolic receptor in the target
cell.
D. The hormone enters
a target cell through a
transport protein.
Which of the following best C. A response to specific traits of specific
describes adaptive immunity? pathogens adaptive immunity = specific and
A. The initiation of internal defenses, targeted
such as phagocytes and natural immune immunity = nonspecific and
killer cells. general (the other three are innate
B. The body's barrier immunity)
defenses, such as mucous
membranes and secretions.
C. A response to specific traits of
specific pathogens
D. The initation of the
inflammatory response.
Permanent damage to which of B. Nervous tissue
the following types of tissues in the nervous system is all about messages so if you cant send messages
spinal cord will cause paralysis? you cant move your muscles since they need the command from the
A. Bone tissue nervous system
B. Nervous tissue
C. Muscle tissue
D. Connective tissue
Which of the following describes D. Tendons attach skeletal muscles to bones.
the function of tendons? ligaments is bone to bone
A. Tendons attach two bones.
B. Tendons attach bones to
ligaments.
C. Tendons attach skeletal
muscles to ligaments.
D. Tendons attach
skeletal muscles to bones.
Which of the following is used to A. mg
indicate mass? μm = length
A. mg cm^3 =
B. μm volume mL =
C. cm^3 volume
D. mL
2/19
, 3/29/25, 8:53
PM
Histones are proteins associated C. DNA
with which of the following? condenses the DNA into chromatin
A. Sperm cells
B. Blood
C. DNA
D. Hair follicles
The shortening of a sacromere in D. Myosin and Actin
skeletal muscle is directly due to
the interaction of which of the
following?
A. Acetylcholine and
acetylcholinesterase
B. Dynein and Kinesine
C. Pepsin and pepsinogen
D. Myosin and Actin
Which of the following bases is found B. Uracil
in RNA but is absent from DNA?
A. Adenine
B. Uracil
C. Cytosine
D. Thymine
Which of the following occurs D. The diaphragm moves downward.
during inhalation? at the same time the ribs move upward and when the thoracic cavity
A. The volume of the thoracic cavity volume increases then pressure decreases so air moves from high to
decreases. low
B. Air moves from areas of low
pressure to areas of high pressure.
C. The ribcage lowers.
D. The diaphragm moves downward.
When an ionic salt dissolves in D. K2CO3
water, the ions CO3^2- and K^+ CO3 HAS A NEGATIVE 2 CHARGE = meaning two more electrons then
are formed. Which of the following protons K^+ HAS A POSTIVE 1 CHARGE = meaning it has one more
is the formula for the salt? proton then electrons and is missing one electron
A. K3CO2 to make this a neutral salt you need two K ions for every one carbonate
B. KCO3
C. K(CO3)2 ion (CO3) K2CO3 +H2O = K+(aq) + CO3^2-(aq)
D. K2CO3
A mutation of a portion of a DNA D. From lle-Gly-Phe to Leu-Gly-Phe
molecule changed the resulting
mRNA sequence from AUU-GGG-
UUC to CUU- GGG-UUC. Using the
table, predict the resulting amino
acid sequence.
A. From Met-Gly-Leu to Leu-Gly-Phe
B. From Leu-Gly-Phe to Met-Gly-Leu
C. From lle-Gly-Ser to Leu-Gly-Phe
D. From lle-Gly-Phe to Leu-Gly-Phe
3/19
PM
TEAS 7 SCIENCE EXAM QUESTIONS AND ANSWERS VERIFIED
LATEST UPDATE 2025
Terms in this set (167)
The following diagram summarizes C. HCO3- + H+ --> H2CO3
the carbonic acid-bicarbonate ion
buffer system of the blood.
CO2 + H20 < > H2CO3 < > HCO3- + H+
Which of the following equations
show the reaction that takes place
when there are excessive protons
(H+) in the blood?
A. H2CO3 --> CO2 + H20
B.CO2 + H20 --> H2CO3
C. HCO3- + H+ --> H2CO3
D.H2CO3 --> HCO3- + H+
The following diagram summarizes D. H2CO3 --> HCO3- + H+
the carbonic acid-bicarbonate ion
buffer system of the blood.
CO2 + H20 < > H2CO3 < > HCO3- + H+
Which of the following equations
show the reaction that takes place
when there are very little protons
(H+) in the blood?
A. H2CO3 --> CO2 + H20
B.CO2 + H20 --> H2CO3
C. HCO3- + H+ --> H2CO3
D.H2CO3 --> HCO3- + H+
which of the following describes the B. Sublimation
process by which solid carbon
dioxide (dry ice) turns directly into
carbon dioxide gas?
A. Evaporation
B. Sublimation
C. Deposition
D. Condensation
which of the following describes A. The adhesive forces with the glass are greater than the cohesive
why water has a concave, or forces. concave meniscus is when molecules are attracted more to the
downward-curving, meniscus when container then themselves = adhesive forces = downward curving
poured in a glass beaker? concave meniscus is when molecules are attracted more to each other
A. The adhesive forces with the then the container = cohesive forces = upward curving
glass are greater than the
cohesive forces.
B.Glass has a higher density than
water.
C. Water has a higher density than
glass.
D.A. The cohesive forces with the
glass are greater than the
adhesive forces.
1/19
,3/29/25, 8:53
PM
Which of the following actions does A. The hormone binds to cell-surface receptors of the target cell.
a hydrophilic hormone take to hydrophilic = water loving hormones can just bind to the receptors on
activate a target cell? the outside of the cell which that binding can change the permeability
A. The hormone binds to cell- of the cell making it more open to activate this target cell (usually its a
surface receptors of the target second messenger system). This is action is when the endocrine system
cell. sends hormones to target cells.
B. The hormone passes
through the plasma
membrane of a target cell.
C. The hormone binds to a
cytosolic receptor in the target
cell.
D. The hormone enters
a target cell through a
transport protein.
Which of the following best C. A response to specific traits of specific
describes adaptive immunity? pathogens adaptive immunity = specific and
A. The initiation of internal defenses, targeted
such as phagocytes and natural immune immunity = nonspecific and
killer cells. general (the other three are innate
B. The body's barrier immunity)
defenses, such as mucous
membranes and secretions.
C. A response to specific traits of
specific pathogens
D. The initation of the
inflammatory response.
Permanent damage to which of B. Nervous tissue
the following types of tissues in the nervous system is all about messages so if you cant send messages
spinal cord will cause paralysis? you cant move your muscles since they need the command from the
A. Bone tissue nervous system
B. Nervous tissue
C. Muscle tissue
D. Connective tissue
Which of the following describes D. Tendons attach skeletal muscles to bones.
the function of tendons? ligaments is bone to bone
A. Tendons attach two bones.
B. Tendons attach bones to
ligaments.
C. Tendons attach skeletal
muscles to ligaments.
D. Tendons attach
skeletal muscles to bones.
Which of the following is used to A. mg
indicate mass? μm = length
A. mg cm^3 =
B. μm volume mL =
C. cm^3 volume
D. mL
2/19
, 3/29/25, 8:53
PM
Histones are proteins associated C. DNA
with which of the following? condenses the DNA into chromatin
A. Sperm cells
B. Blood
C. DNA
D. Hair follicles
The shortening of a sacromere in D. Myosin and Actin
skeletal muscle is directly due to
the interaction of which of the
following?
A. Acetylcholine and
acetylcholinesterase
B. Dynein and Kinesine
C. Pepsin and pepsinogen
D. Myosin and Actin
Which of the following bases is found B. Uracil
in RNA but is absent from DNA?
A. Adenine
B. Uracil
C. Cytosine
D. Thymine
Which of the following occurs D. The diaphragm moves downward.
during inhalation? at the same time the ribs move upward and when the thoracic cavity
A. The volume of the thoracic cavity volume increases then pressure decreases so air moves from high to
decreases. low
B. Air moves from areas of low
pressure to areas of high pressure.
C. The ribcage lowers.
D. The diaphragm moves downward.
When an ionic salt dissolves in D. K2CO3
water, the ions CO3^2- and K^+ CO3 HAS A NEGATIVE 2 CHARGE = meaning two more electrons then
are formed. Which of the following protons K^+ HAS A POSTIVE 1 CHARGE = meaning it has one more
is the formula for the salt? proton then electrons and is missing one electron
A. K3CO2 to make this a neutral salt you need two K ions for every one carbonate
B. KCO3
C. K(CO3)2 ion (CO3) K2CO3 +H2O = K+(aq) + CO3^2-(aq)
D. K2CO3
A mutation of a portion of a DNA D. From lle-Gly-Phe to Leu-Gly-Phe
molecule changed the resulting
mRNA sequence from AUU-GGG-
UUC to CUU- GGG-UUC. Using the
table, predict the resulting amino
acid sequence.
A. From Met-Gly-Leu to Leu-Gly-Phe
B. From Leu-Gly-Phe to Met-Gly-Leu
C. From lle-Gly-Ser to Leu-Gly-Phe
D. From lle-Gly-Phe to Leu-Gly-Phe
3/19
