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TEAS TIMED PRACTICE TEST 3 SCI
Results by topic
Cardiovascular
System:
Cell Structure Function
and Type:
Cellular Reproduction
Cellular Respiration and
Photosynthesis:
Designing an
Experiment:
1.887 / 5.661 Points (
1.887 / 5.661 Points (
1.887 / 5.661 Points (
3.774 / 5.661 Points (
Endocrine System: 3.774 / 7.548 Points ( 50%
Gastrointestinal
System:
1.887 / 5.661 Points (
Genetics and DNA: 0 / 3.774 Points ( 0% )
Integumentary System: 1.887 / 5.
Points ( 33.33% )
Intro To Biology: 1.887 / 3.774 Points ( 50%
Lymphatic System: 1.887 / 3.774 Points ( 50%
Muscular System: 1.887 / 3.774 Points ( 50%
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Nervous System: 0 / 5.661 Points ( 0% )
Organization of the
Human Body:
0 / 3.774 Points ( 0% )
Reproductive System: 1.887 / 5.
Points ( 33.33% )
Respiratory System: 0 / 5.661 Points ( 0% )
Scientific Notation: 5.661 / 5.
Points ( 100% )
Skeletal System: 0 / 3.774 Points ( 0% )
Temperature and
the Metric System:
0 / 5.661 Points ( 0% )
Urinary System: 1.887 / 7.
Points ( 25.04% )
Your Answers
Correct Points earned: 1.887 / 1.
As a variable increases, another variable
increases. This describes a(n)
A. positive variation. (Your Answer)
B. negative variation. C. inverse correlation. D. indirect correlation.
Feedback
A. When a variable increases as another variable
increases, this relationship is described as a positive
correlation, direct correlation, or positive variation. See
Lesson: Designing an Experiment.
Incorrect Points earned: 0 / 1.
How many inches are in 35 centimeters?
A. 0.035 (Your Answer)
B. 13.77 (Correct Answer)
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D. 88.
Feedback
B. There are 2.54 centimeters in 1 inch. Dividing 35
by 2.54 converts 35 centimeters to 13.77 inches.
Incorrect Points earned: 0 / 1.
Sperm is combined with other components to
form semen; these other components are
formed mainly in the.
A. penis (Your Answer)
B. glans penis
C. male accessory glands (Correct Answer)
D. female accessory glands
Feedback
C. Semen is formed in the male accessory glands
(seminal vesicles, prostate gland, Cowper glands).
These are all found within the male pelvis.
Incorrect Points earned: 0 / 1.
Chromosomes line up during
A. anaphase. (Your Answer)
B. interphase
C. prometaphase. (Correct Answer)
D. telophase.
Feedback
C. During prometaphase, the spindle fibers (that are
attached to the centromere of the chromosome) pull
the duplicated chromosome toward the poles of the
cell.
Correct Points earned: 1.887 / 1.
A cell processes the conversion of carbohydrates to ATP to help perform various biological functions. Where does this conversion occur in the cell? A. Vacuole
9 Science https://smarteditionmedia.com/pages/teas- 5 / B. Lysosome
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Incorrect Points earned: 0 / 1.
9 Science https://smarteditionmedia.com/pages/teas- 8 / As a sarcomere shortens, the actin myofilaments move closer to the.
A. Z-disc (Your Answer)
B. I-band
C. M-line (Correct Answer)
D. A-band
Feedback
C. When sarcomeres shorten or contract, they cause actin myofilaments to move closer to the center of the sarcomere, or the M-line. This happens because myosin heads pull actin. See Lesson: Muscular System.
Incorrect
Points earned: 0 / 1.
Bones are primarily made of.
A. chloride
B. magnesium (Your Answer)
C. sodium
D. phosphorus (Correct Answer)
Feedback
D. Bones make a mineral reservoir that contains roughly 9% of
he body’s calcium and 8% of the body’s phosphorus.
These minerals are used for various physiological
functions performed in the body.
Incorrect Points earned: 0 / 1.
Which of the following activities are
performed with help from the frontal lobe?
A. Remembering key events as a child (Your Answer)
B. Solving a word puzzle in three minutes
(Correct Answer)
C. Hearing a noise while walking at the park D. Watching a bird swoop down to catch an insect
Feedback
B. The frontal lobe is associated with high-level
cognitive skills and activities that involve
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Incorrect Points earned: 0 / 1.
How many meters are in 2,500 millimeters?
A. 0.25 (Your Answer)
B. 2.5 (Correct Answer)
C. 25
D. 250
Feedback
B. Meters are larger than millimeters. Multiplying 2,
millimeters the factor of 0.001 yields 2.5 meters. If
using the staircase method, the decimal would need to
move three places to the left.
Incorrect Points earned: 0 / 1.
What is the function of a peptide bond?
A. To connect proteins together
B. To connect nucleotides together (Your Answer)
C. To connect amino acids together (Correct Answer)
D. To connect nucleic acids together
Feedback
C. Peptide bonds connect amino acids together to form a
protein. See Lesson: Genetics and DNA.
Correct
The ova are produced in the
A. vagina
B. ovaries (Your Answer)
C. uterine wall D. Fallopian tube
Feedback
B. The ova are produced in the
ovaries.
9 Science https://smarteditionmedia.com/pages/teas- 11 / Points earned: 1.887 / 1.
Correct Points earned: 1.887 / 1.
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bloodstream, allowing deoxygenated blood to be
converted to oxygenated
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blood.
Incorrect Points earned: 0 / 1.
HIV/AIDS disables the immune system by.
A. blocking the action of T cells
B. triggering genetic mutations (Your Answer)
C. activating the production of B cells D. destroying helper T cells and macrophages
(Correct Answer)
Feedback
D. The HIV virus can recognize a human cell surface
receptor on certain immune system cells, primarily the
macrophages and helper T cells. This enables it to
destroy these cells.
Correct Points earned: 1.887 / 1.
Which of the following parts of an atom
has no charge?
A. Electron
B. Neutron (Your Answer)
C. Nucleus D. Proton
Feedback
B. The neutron is the only part of an atom that is
neutral. See Lesson: Scientific Notation.
Incorrect Points earned: 0 / 1.
An enzyme that is produced in the
pancreas and secreted into the small
intestine to complete the digestion of
proteins is.
A. lactase
B. maltase (Your Answer)
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Feedback
D. The enzyme peptidase completes protein
digestion by breaking down peptides into amino
acids.
Incorrect Points earned: 0 / 1.
A researcher is looking at a procedure that
says he needs 0.0505 g of sodium. What unit
of measurement does this describe?
A. Length B. Time
C. Volume (Your Answer)
D. Mass (Correct Answer)
Feedback
D. The unit g stands for gram, which is a base unit of measure
in
the metric system. It is used to describe a unit value of
mass for a given substance. See Lesson: Temperature
and the Metric System.
Correct Points earned: 1.887 / 1.
A body's second line of defense against
invading pathogens involves both , which
initiate alarm signals, and , which activate
the helper T cells.
A. B cells, proteins B. antibodies, proteins C. macrophages, proteins
D. macrophages, antibodies (Your Answer)
Feedback
D. Macrophages initiate an "alarm" signal, which is a protein
that
activates the helper T cells.
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Incorrect Points earned: 0 / 1.
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Incorrect Points earned: 0 / 1.
What happens after the blood leaves the pulmonary vein?
A. It flows through the aorta. (Your Answer)
B. It pours into the left atrium. (Correct Answer)
C. It travels through the arteries. D. It passes by the superior vena cava.
Feedback
B. After oxygenated blood leaves the lungs through
the pulmonary vein, it travels into the left atrium and
then the left ventricle before flowing through the
aorta into systemic circulation. See Lesson:
Cardiovascular System.
Correct Points earned: 1.887 / 1.
An electric balance measures an object’s
A. mass. (Your Answer)
B. length. C. temperature. D. volume.
Feedback
A. The mass of an object is determined by using a
balance. Electric balances are used to measure a very
small mass. See Lesson: Designing an Experiment.
Incorrect Points earned: 0 / 1.
Which of the following disorders is
characterized by damage to or death of liver
cells?
A. Cirrhosis (Correct Answer)
B. Hepatitis
C. Ulcer (Your Answer)
D. Vomiting
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Feedback
A. The symptoms of cirrhosis of the liver include
damage to or death of liver cells.
