Test Bank HESI A2 Biology Practice Exam Latest 2024-2025
Question With Correct Verified Answers Graded A+
1. Which of the following is NOT a part - Agranulocytes
of the body's chemical defense system Agranulocytes are a type of white
against infection? blood cell and therefore are not
a part of the body's chemical de-
a. Urine fense system.
b. Hydrochloric acid
c. Agranulocyte
d. Lysozyme
2. Which of the following is considered an - breastfeeding
example of naturally acquired passive Natural passive immunity occurs
immunity? when live antibodies are trans-
ferred from one individual to an-
a. Attenuated (live) vaccine injection other, such as when anti-bodies
b. Breastfeeding are transferred from a mother to
c. Inactivated (killed) vaccine injection her baby via breast milk.
d. Exposure to a disease and subse-
quent immunity
3. Worms lack which of the following? - eyes and brain
a. Eyes and brain Worms lack both eyes and a
b. Brain brain, but they do have nerve
c. Eyes centers.
d. Nerve centers
4. Which organelle is responsible for gen- - mitochondria
erating ATP that is used for chemical The mitochondrion is often re-
energy? ferred to as the "power plant"
of the cell, because it generates
a. Mitochondria ATP, the cell's source of chemical
b. Vesicle energy.
c. Ribosome
d. Golgi apparatus
5. Which of the following is true with - Eukaryotic cells have mitochon-
regard to eukaryotic and prokaryotic dria.
cells? One of the major differences
between eukaryotic cells and
a. Prokaryotic cells can contain lyso- prokaryotic cells is that eu-
, HESI A2 Biology practice Exam
somes. karyotic cells contain organelles,
b. Eukaryotic cells have mitochondria. such as mitochondria, whereas
c. Prokaryotic cells can contain lyso- prokaryotic cells do not.
somes and eukaryotic cells have mito-
chondria.
d. Prokaryotic cells have a nucleus.
6. Positive feedback is a mechanism used - The release of oxytocin to in-
by the body that results in amplification crease contractions during child-
or enhancement of a signal that has birth
already been activated. An example of Contractions in childbirth are
this would be: considered a positive feedback
loop because each contraction
a. Slowing metabolism in response to stimulates the brain to release
starvation more Oxytocin, which in turn
b. Shivering to increase temperature stimulates more contractions.
c. Blood vessels regulating blood pres-
sure
d. The release of oxytocin to increase
contractions during childbirth
7. When placed in a hypotonic solution, a - swell
cell will do which of the following? Water always moves from areas
of higher concentration to low-
a. Remain the same er concentration. A hypotonic so-
b. Disintegrate lution contains less solutes and
c. Swell more water then the contents in-
d. Shrink side of the cell, so water will move
from outside of the cell to inside,
causing it to swell.
8. Which is NOT an effect of photo-oxida- - Increase in tensile strength
tion? Photo-oxidation occurs when UV
light and ozone break down the
a. Increase in tensile strength surface of polymers. The result is
b. Discoloration the material becoming more brit-
c. Increase in brittleness tle and discolored and less strong
d. Loss of surface smoothness and smooth.
9.
, HESI A2 Biology practice Exam
The movement of a substance across - Active transport
a cell membrane from low to high con- Active transport is the move-
centration is known as what? ment of molecules against their
concentration gradient, such as
a. Passive transport when moving from low to high
b. Diffusion concentration.
c. Active transport
d. Facilitated diffusion
10. During which stage of mitosis does - Cytokinesis
the single cell split into two separate Cytokinesis occurs late in the
daughter cells? process of mitosis and is marked
by a single cell splitting into two
a. Telophase daughter cells.
b. Cytokinesis
c. Anaphase
d. Prophase
11. Which of the following is NOT an exam- - Ozone
ple of an ecosystem? An ecosystem is the interac-
tion between living and non-living
a. Marine things in their environment. The
b. Desert ozone does not mean this defini-
c. Ozone tion as living and non-living things
d. Grassland do not live and interact there.
12. Decomposition occurs fastest in which - Moist, oxygenated
type of environment? The microbes involved in decom-
position need oxygen and they
a. Moist, oxygenated function quicker at higher tem-
b. Very dry, deoxygenated peratures, which is why decom-
c. Very wet, deoxygenated position occurs at faster rates in
d. Very dry, oxygenated moist, oxygenated areas.
13. In a bird or a bee, the crop is responsi- - Storing food prior to digestion
ble for what? The crop is a muscular pouch that
is part of the bird's digestive sys-
a. Aiding in flying tem.
b. Maintaining balance when perched
Question With Correct Verified Answers Graded A+
1. Which of the following is NOT a part - Agranulocytes
of the body's chemical defense system Agranulocytes are a type of white
against infection? blood cell and therefore are not
a part of the body's chemical de-
a. Urine fense system.
b. Hydrochloric acid
c. Agranulocyte
d. Lysozyme
2. Which of the following is considered an - breastfeeding
example of naturally acquired passive Natural passive immunity occurs
immunity? when live antibodies are trans-
ferred from one individual to an-
a. Attenuated (live) vaccine injection other, such as when anti-bodies
b. Breastfeeding are transferred from a mother to
c. Inactivated (killed) vaccine injection her baby via breast milk.
d. Exposure to a disease and subse-
quent immunity
3. Worms lack which of the following? - eyes and brain
a. Eyes and brain Worms lack both eyes and a
b. Brain brain, but they do have nerve
c. Eyes centers.
d. Nerve centers
4. Which organelle is responsible for gen- - mitochondria
erating ATP that is used for chemical The mitochondrion is often re-
energy? ferred to as the "power plant"
of the cell, because it generates
a. Mitochondria ATP, the cell's source of chemical
b. Vesicle energy.
c. Ribosome
d. Golgi apparatus
5. Which of the following is true with - Eukaryotic cells have mitochon-
regard to eukaryotic and prokaryotic dria.
cells? One of the major differences
between eukaryotic cells and
a. Prokaryotic cells can contain lyso- prokaryotic cells is that eu-
, HESI A2 Biology practice Exam
somes. karyotic cells contain organelles,
b. Eukaryotic cells have mitochondria. such as mitochondria, whereas
c. Prokaryotic cells can contain lyso- prokaryotic cells do not.
somes and eukaryotic cells have mito-
chondria.
d. Prokaryotic cells have a nucleus.
6. Positive feedback is a mechanism used - The release of oxytocin to in-
by the body that results in amplification crease contractions during child-
or enhancement of a signal that has birth
already been activated. An example of Contractions in childbirth are
this would be: considered a positive feedback
loop because each contraction
a. Slowing metabolism in response to stimulates the brain to release
starvation more Oxytocin, which in turn
b. Shivering to increase temperature stimulates more contractions.
c. Blood vessels regulating blood pres-
sure
d. The release of oxytocin to increase
contractions during childbirth
7. When placed in a hypotonic solution, a - swell
cell will do which of the following? Water always moves from areas
of higher concentration to low-
a. Remain the same er concentration. A hypotonic so-
b. Disintegrate lution contains less solutes and
c. Swell more water then the contents in-
d. Shrink side of the cell, so water will move
from outside of the cell to inside,
causing it to swell.
8. Which is NOT an effect of photo-oxida- - Increase in tensile strength
tion? Photo-oxidation occurs when UV
light and ozone break down the
a. Increase in tensile strength surface of polymers. The result is
b. Discoloration the material becoming more brit-
c. Increase in brittleness tle and discolored and less strong
d. Loss of surface smoothness and smooth.
9.
, HESI A2 Biology practice Exam
The movement of a substance across - Active transport
a cell membrane from low to high con- Active transport is the move-
centration is known as what? ment of molecules against their
concentration gradient, such as
a. Passive transport when moving from low to high
b. Diffusion concentration.
c. Active transport
d. Facilitated diffusion
10. During which stage of mitosis does - Cytokinesis
the single cell split into two separate Cytokinesis occurs late in the
daughter cells? process of mitosis and is marked
by a single cell splitting into two
a. Telophase daughter cells.
b. Cytokinesis
c. Anaphase
d. Prophase
11. Which of the following is NOT an exam- - Ozone
ple of an ecosystem? An ecosystem is the interac-
tion between living and non-living
a. Marine things in their environment. The
b. Desert ozone does not mean this defini-
c. Ozone tion as living and non-living things
d. Grassland do not live and interact there.
12. Decomposition occurs fastest in which - Moist, oxygenated
type of environment? The microbes involved in decom-
position need oxygen and they
a. Moist, oxygenated function quicker at higher tem-
b. Very dry, deoxygenated peratures, which is why decom-
c. Very wet, deoxygenated position occurs at faster rates in
d. Very dry, oxygenated moist, oxygenated areas.
13. In a bird or a bee, the crop is responsi- - Storing food prior to digestion
ble for what? The crop is a muscular pouch that
is part of the bird's digestive sys-
a. Aiding in flying tem.
b. Maintaining balance when perched
