ATI TEAS SCIENCE LATEST 2021,A GRADED DOCUMENT
1. As air is inhaled, the sequence in which it passes through the respiratory tract is best described by
... [Show More] which of the following choices?
Nasal cavity, bronchi, bronchioles, trachea, pharynx, larynx
Nasal cavity, trachea, pharynx, larynx, bronchioles, bronchi
Pharynx, nasal cavity, larynx, trachea, bronchi, bronchioles
Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles Correct answerNasal cavity, pharynx, larynx, trachea, bronchi, bronchioles
Which of the following is not a function of pancreatic juice?
Increase acidity of stomach contents
Chemically digest carbohydrates
Chemically digest proteins
Neutralize the pH of chyme Correct answerIncrease acidity of stomach contents
3. Vibrio cholerae is a bacteria that causes the disease cholera. Disease-causing agents such as V. cholerae is referred to as a(n) ___________________.
Commensal microorganism
Interferon
Vaccine
Pathogen Correct answerPathogen
Which of the following is a carbohydrate?
ATP
Collagen
Cellulose
Myosin Correct answerCellulose
Which of the following descriptions is correct?
Solid: no constant volume and no constant shape
Liquid: no definite volume and constant shape
Gas: constant volume and a definite shape
Gas: no definite volume and no definite shape Correct answerGas: no definite volume and no definite shape
Certain food sources provide more urea than others. Which of the following foods would provide the most urea that would have to be filtered out of the blood via the kidneys?
Fruits, such as pears and oranges
Grains, such as pasta and rice
Oils, such as olive and vegetable
Proteins, such as meats and eggs Correct answerProteins, such as meats and eggs
Which of the following organelles is responsible for digesting damaged cellular structures, as well as macromolecules and bacteria ingested by the cell?
Lysosomes
Endoplasmic Reticulum
Golgi Apparatus
Mitochondria Correct answerLysosomes
Which of these statements is true about pH?
Higher pH values indicate a higher [H+]
A pH of 6 is more acidic than a pH of 8
Blood has an acidic pH
Adding an acid to a solution will increase the pH Correct answerA pH of 6 is more acidic than a pH of 8
Which of the following parts of neurons is correctly paired with its function?
axon / sends stimulus to axon terminal
dendrites / site of metabolic activities
cell body / releases neurotransmitters Correct answeraxon / sends stimulus to axon terminal
Which of the following organs functions as both the implantation site of a fertilized ovum and the pathway for sperm to reach the uterine tubes?
Uterus
Fallopian tube
Vagina
Cervix Correct answerUterus
Which of these is not a function of mitosis?
Repair of damaged tissue
Growth of the organism
Producing gametes
Asexual reproduction Correct answerProducing gametes
When two plants, A and B, were planted together in a field outdoors, plant A produced vegetables, and plant B produced flowers which attracted pollinators. It was noted that when they were grown apart from each other, plant A did not produce vegetables, but plant B still produced flowers. Which of the following is the most likely reason plant A did not produce vegetables when planted away from plant B?
Plant B shielded plant A from the sun
The insects that pollinated plant B also pollinated plant A
Plant B repelled harmful insects from plant A
Plant B secreted a hormone that promoted the growth of plant A Correct answerThe insects that pollinated plant B also pollinated plant A
n which layer of the skin are the subcutaneous fat stores found?
Hypodermis
Dermis
Epidermis
Sebaceous Correct answerHypodermis
Which of the following statements is true about protons?
The number of protons in the nucleus is the defining property of an element.
They have more mass than a neutron.
Some atoms have no protons.
They have a negative charge. Correct answerThe number of protons in the nucleus is the defining property of an element.
A well-controlled experiment was conducted where researchers noted that a new antibiotic eliminated a bacterial sinus infection. Which of the following can be inferred from this result?
The medication killed the bacteria responsible for the sinus infection.
The medication helped eliminate the patient's allergies.
The medication acted as an antihistamine to cure the patient's runny nose.
The medication alters the patient's DNA to help them fight off an infection. Correct answerThe medication killed the bacteria responsible for the sinus infection.
The _________________ carries oxygen depleted blood away from the heart, while the ________________ carries oxygen-rich blood back towards the heart.
pulmonary vein; pulmonary artery
pulmonary artery; pulmonary vein
aorta; pulmonary artery
vena cava; pulmonary artery Correct answerpulmonary vein; pulmonary artery
1. What happens after the blood leaves the pulmonary vein?
It flows into the aorta
It pours into the left atrium
It travels through the arteries
It passes through the superior vena cava Correct answerIt pours into the left atrium
An equivalency factor of 0.001 corresponds to which of the following metric prefixes?
A. Deca-
B. Hecto-
C. Milli-
D. Pico- Correct answerC milli
On which molecule's boiling and freezing points are the Celsius and Fahrenheit scales based?
A. Alcohol
B. Chloride
C. Glucose
D. Water Correct answerD-water l
An atom has 28 protons, 32 neutrons, and 28 electrons. What is the name of this isotope?
A. Nickel-32
B. Nickel-60
C. Germanium-56
D. Germanium-60
. Correct answerB. Nichel-60 the Mass is the number after the dash so addthe protons and neutrons to get this
n the periodic table, which element is in period 5 and group 4?
A. Manganese
B. Molybdenum
C. Vanadium
D. Zirconium
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answer-d.zirconiom both at the fifth row and fourth column
49. How many electrons does a neutral atom of iodine have?
A. 53
B. 74
C. 126
D. 127 Correct answerA 53 In a neutral atom the #of electrons = # of protons
Which of the following statements is true?
A. A tin atom has 22 protons.
B. An iron atom has 26 protons.
C. A sodium atom has 16 protons. Correct answer'
2. Which statement is true regarding gas concentration of blood leaving the left side of the heart?
Oxygen levels are high
Carbon dioxide levels are high
Oxygen and carbon dioxide levels are low
Oxygen and carbon dioxide levels are high Correct answerOxygen levels are high
3. The cardiac sphincter opens into the
Gallbladder
Liver
Pancreas
Stomach Correct answerStomach
4. Which correctly describes how urine travels through the nephron?
Glomerulus, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct
Distal convoluted tubule, collecting duct, proximal convoluted tubule, glomerulus, loop of Henle
Loop of Henle, glomerulus, distal convoluted tubule, collecting duct, proximal convoluted tubule
Collecting duct, proximal convoluted tubule, glomerulus, loop of Henle, distal convoluted tubule Correct answerGlomerulus, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct
5. Bones are primarily made of _____.
Chloride
Magnesium
Sodium
Phosphorus Correct answerPhosphorus
6. What body system must the muscular system work with to help the body move?
Cardiovascular
Digestive
Respiratory
Skeletal Correct answerSkeletal
7. A person jumps after touching a hot surface. Which layer of the skin was responsible for stimulating this response?
Dermis
Hypodermis
Stratum basale
Stratum lucidum Correct answerDermis
Which of the following activities are performed with help from the frontal lobe?
Remembering key events as a child
Solving a word puzzle in 3 minutes
Hearing a noise while walking in the park
Watching a bird swoop down to catch an insect Correct answerHearing a noise while walking in the park
. In the negative feedback loop that regulates the levels of blood sugar, insulin is secreted to enable the human body to use the end products of digestion. What does the pancreas secrete when blood sugar levels are too low?
Glucagon
Glucose
Glycogen
Glycolysis Correct answerGlucagon
A body's second line of defense against invading pathogens involves both _____, which initiate alarm signals, and _____, which activate helper T-cells.
B cells, proteins
Antibodies, proteins
Macrophages, proteins
Macrophages, antibodies Correct answerMacrophages, antibodies
11. Using the scientific method, what does a researcher do immediately after proposing a scientific question?
Perform background research on the topic
Analyze data
Collect information or data during the experiment
Communicate results in an a article or presentation Correct answerPerform background research on the topic
What is the correct order of phases of mitosis?
Telophase, metaphase, prophase, anaphase
Prophase, metaphase, anaphase, telophase
Metaphase, anaphase, prophase, telophase
Anaphase, prophase, metaphase, telophase Correct answerProphase, metaphase, anaphase, telophase
13. What is the function of a peptide bond?
To connect proteins together
To connect nucleotides together
To connect amino acids together
To connect nucleic acids together Correct answerTo connect amino acids together
Which of the following parts of an atom has no charge?
Electron
Neutron
Proton
Nucleus Correct answerNeutron
15. Which of the following is secreted by the pituitary gland?
Growth hormone
Melatonin
Cortisol
Epinephrine Correct answerGrowth hormones
Three different dispersants that are used to break up oil in water are evaluated for their effectiveness. Dispersant A has a concentration of 10m, dispersant B has a concentration of 7m, and dispersant C has a concentration of 3m. Each dispersant is separately poured into a solution of water and oil. The amount of time it takes each dispersant to disperse the oil is recorded. Which of the following statements describes the positive correlation observed in this study?
A. Oil remains suspended in solution despite dispersant addition.
B. As more dispersant is added to the water, more oil is dispersed.
[...] Correct answer
46. A human kidney is known to measure 125 grams. What measurement tool is most likely used to determine this value?
A. Barometer
B. Thermometer
C. Electric balance
D. Graduated cylinder
/ Correct answer-C. Electric balance
What is the function of a centromere?
A. To connect the two chromatids
B. To keep the chromosome stable
C. To act as a relay point for genetic information
D. To transmit genetic codes between other chromosomes Correct answerA. To connect the two chromatids
An RNA copy of a gene used as a blueprint for a protein is called the _____
.
A. mRNA
B. pre-mRNA
C. rRNA
D. tRNA
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answer' A. mRNA
43. The physical appearance or _____
of an organism is determined by a set of alleles.
A. genotype
B. phenotype
C. transcription
D. translation
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answerB. phenotype
Human cells have _____
sets of different chromosomes.
A. 12
B 23
C46
D50
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answer'B 23
41. Before a molecule of glucose can be run through the citric acid cycle, it must experience
A. ATP production.
B. NADH production.
C. pyruvate oxidation.
D. oxygen deprivation.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answerC pyruvate oxidation
Binary fission is a method
A. where one daughter cell is produced.
B. required to produce reproductive cells.
C. that represents a form of asexual reproduction.
D. where two parent cells interact with each other.
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answerC A form of asexual reproduction
Which process is part of photosynthesis?
A. Anaphase
B. Glycolysis
C. Calvin cycle
D. Pyruvate oxidation
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answerC the Calvin cycle this is where dark n reactions occur
Which organelles work together to protect a plant cell from the external environment?
A. Flagella and pili
B. Cytoplasm and lysosome
C. Cell wall and cell membrane
D. Ribosome and Golgi apparatus
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answerC cellwall and cell membrane
. Which organelle contains photosynthetic molecules?
A. Chloroplast
B. Lysosome
C. Nucleolus
D. Ribosome
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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Read this book on Scribd: https://www.scribd.com/book/416806089 Correct answerA chloroplast
What happens during anabolic metabolism?
A. Energy is released.
B. Energy is absorbed.
C. Nutrients are recycled.
D. Substances are broken down.
Excerpt from: "ATI TEAS 6 Practice Tests Workbook: 6 Full Length Practice Test Workbook Both In Book + Online, 100 Video Lessons, 1,020 Realistic Questions and Online Flashcards for all subjects for the TEAS Test of Essential Academic Skills" by Smart Edition. Scribd.
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