ATI TEAS 7 Science Review

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Introduction

Free ATI TEAS Science Diagnostic Test

1 Quiz
- Free ATI TEAS Science Diagnostic Test (50 Questions)
Human Anatomy and Physiology

General Anatomy and Physiology

3 Lessons
|
1 Quiz
- General Anatomy and Physiology Quiz (25 Questions)
Respiratory System

4 Lessons
|
1 Quiz
- Respiratory System Quiz (17 Questions)
Cardiovascular System

9 Lessons
|
1 Quiz
- Cardiovascular System Quiz (22 Questions)
Gastrointestinal System

2 Lessons
|
1 Quiz
1. Anatomy of the Gastrointestinal (GI) System
2. The Process of Digestion
- Gastrointestinal System Quiz (18 Questions)
Neuromuscular System

10 Lessons
|
1 Quiz
- Neuromuscular System Quiz (25 Questions)
Reproductive System

2 Lessons
|
1 Quiz
1. The Female Reproductive System
2. The Male Reproductive System
- Reproductive System Quiz (15 Questions)
Integumentary System

2 Lessons
|
1 Quiz
1. The Epidermis
2. The Dermis and Hypodermis
- Integumentary System Quiz (20 Questions)
Endocrine System

3 Lessons
|
1 Quiz
- Endocrine System Quiz (23 Questions)
Genitourinary System

4 Lessons
|
1 Quiz
- Genitourinary System Quiz (18 Questions)
Immune System

4 Lessons
|
1 Quiz
- Immune System Quiz (22 Questions)
Skeletal System

6 Lessons
|
1 Quiz
- Skeletal System Quiz (20 Questions)
Biology

Basic Macromolecules

1 Quiz
- Basic Macromolecules Quiz (20 Questions)
Compare and Contrast Chromosomes, Genes, and DNA

2 Quizzes
- Compare and Contrast Chromosomes, Genes, and DNA Quiz (20 Questions)
- Protein Synthesis Quiz (20 Questions)
Explain Mendel’s Laws of Heredity

1 Quiz
- Explain Mendel’s Laws of Heredity Quiz (20 Questions)
Chemistry: Section 1: Recognize Basic Atomic Structure

Structures of an Atom

1 Lesson
1. Structures of an Atom
The Periodic Table

2 Lessons
1. The Periodic Table and Atomic Structure
2. Atomic Number and Atomic Mass
Isotopes and Ions

2 Lessons
1. Isotopes
2. Ions
Chemical Bonds

2 Lessons
1. Electron Shells
2. Understanding Types of Chemical Bonds
Compounds

1 Lesson
1. Distinguishing Between Atoms, Elements, and Compounds
Chemical Structures

2 Lessons
1. Understanding Prefixes
2. Identifying Alcohols, Hydroxyl Groups, and Hydrocarbons
Section Quiz: Recognize Basic Atomic Structure

1 Quiz
- Section 1 Quiz: Recognize Basic Atomic Structure (32 Questions)
Chemistry: Section 2: Explain the Physical Properties and Changes of Matter

Physical Properties of Matter

6 Lessons
States of Matter and Phase Changes

5 Lessons
Section 2 Quiz: Physical Properties and Changes of Matter

1 Quiz
- Section 2 Quiz: Physical Properties and Changes of Matter (20 Questions)
Chemistry: Section 3: Chemical Reactions

Describe Chemical Reactions

1 Quiz
- Describe Chemical Reactions Quiz (15 Questions)
Scientific Reasoning

Identify Basic Scientific Measurements Using Laboratory Tools

1 Quiz
- Identify Basic Scientific Measurements Using Laboratory Tools Quiz (17 Questions)
Critique Scientific Explanations Using Logic and Evidence

1 Quiz
- Critique Scientific Explanations Using Logic and Evidence Quiz (13 Questions)
Explain Relationships Among Events, Objects, and Processes

1 Quiz
- Explain Relationships Among Events, Objects, and Processes Quiz (14 Questions)
Analyze The Designs of Scientific Investigations

1 Quiz
- Analyze The Designs of Scientific Investigations Quiz (21 Questions)
Timed Practice Test Simulations

ATI TEAS Science Practice Tests

5 Quizzes

Quiz 1 of 28

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Free ATI TEAS Science Diagnostic Test (50 Questions)

ATI TEAS 7 Science Review Free ATI TEAS Science Diagnostic Test Free ATI TEAS Science Diagnostic Test (50 Questions)

This free ATI TEAS 7 Science Practice Test will give you an accurate feel of the exam. There are 50 questions. You will receive a detailed score report at the end of the test, so we recommend you use this as a diagnostic test to see which topics or skills you should focus on the most.

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Analyze The Designs of Scientific Investigations 0%
Basic Macromolecules 0%
Cardiovascular System 0%
Compare and Contrast Changes in States of Matter 0%
Compare and Contrast Chromosomes, Genes, and DNA 0%
Critique Scientific Explanations Using Logic and Evidence 0%
Describe Chemical Reactions 0%
Endocrine System 0%
Explain Characteristic Properties of Substances 0%
Explain Relationships Among Events, Objects, and Processes 0%
Gastrointestinal System 0%
General Anatomy and Physiology 0%
Genitourinary System 0%
Identify Basic Scientific Measurements Using Laboratory Tools 0%
Immune System 0%
Integumentary System 0%
Neuromuscular System 0%
Recognize Basic Atomic Structure 0%
Reproductive System 0%
Respiratory System 0%
Skeletal System 0%
Solutions & Solution Concentrations 0%

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Question 1 of 50

1. Question
Which of the following correctly describes the law of segregation?
- It states that allele pairs segregate during gametogenesis and reunite randomly during the fertilization process.
- It states that the segregation of the dominant trait in the phenotype happens in the hybrid offspring.
- It states that the hereditary factors segregate independently of one another during gametogenesis.
- It states that all the genetic factors are present in the DNA.
Correct

Incorrect
Question 2 of 50

2. Question
The genotypes of the parents in the Punnett square below can be described as __________.
- Heterozygous dominant and homozygous dominant
- Heterozygous recessive and heterozygous dominant
- Heterozygous recessive and homozygous recessive
- Homozygous dominant and homozygous recessive
Correct

Incorrect
Question 3 of 50

3. Question
Which of these bonds would we see between nitrogenous bases?
- Ionic bonds
- Sulphide bonds
- Hydrogen bonds
- Polar bonds
Correct

Incorrect
Question 4 of 50

4. Question
Which of these is a function of a ribosome?
- Ribosomes carry the codons required for protein synthesis.
- Ribosomes can decode mRNA and assemble amino acids for protein synthesis.
- Ribosomes move along the length of the amino acid chain to introduce peptide bonds in between them.
- Ribosomes transfer mRNA from the nucleus to the cytoplasm.
Correct

Incorrect
Question 5 of 50

5. Question
Which of the following correctly describes anatomical position?
- Prone, arms at sides, palms facing anteriorly
- Supine, arms at sides, palms facing posteriorly
- Upright, arms at sides, palms facing anteriorly
- Seated, arms at sides, palms facing posteriorly
Correct

Incorrect
Question 6 of 50

6. Question
What is the correct sequence in which inhaled air passes through the respiratory tract?

Drag and drop tiles to reorder the sequence.
- Bronchi
- Larynx
- Trachea
- Nasal cavity
- Pharynx
- Bronchioles
View Answers:
Correct

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Question 7 of 50

7. Question
Which of the following statements is true about hydrogen bonds?
- They result from the attraction between ions that have no charge
- They are considered strong attractive forces
- They form between a partial positively charged region on one molecule and the partial negatively charged region on another molecule
- They don’t affect the properties of water in any way
Correct

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Question 8 of 50

8. Question
Which of the following is not true about reproductive hormones?
- FSH (follicle-stimulating hormone) is produced by the anterior pituitary gland.
- LH (luteinizing hormone) is produced by the posterior pituitary gland.
- FSH (follicle-stimulating hormone) stimulates maturation of sperm and ovum.
- LH (luteinizing hormone) stimulates ovulation and production of testosterone.
Correct

Incorrect
Question 9 of 50

9. Question
Which of the following is correct about muscle contraction?

Please select all that apply.
- Muscle contraction requires ATP.
- Neurotransmitters stimulate muscle contraction.
- Actin filaments shorten during contraction.
- Myosin filaments shorten during contraction.
- Sarcomere shorten during contraction.
- Actin and myosin filaments slide past each other.
Correct

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Question 10 of 50

10. Question
Which would be the approximate mass of a car?
- 18 kg
- 180,000 kg
- 1,800 kg
- 180 kg
Correct

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Question 11 of 50

11. Question
Gas exchange between the blood and alveoli would be enhanced by ______________, but impeded by __________________.
- increased tidal volume; decreased membrane thickness
- increased alveolar surface area; increased membrane thickness
- decreased respiratory rate; increased tidal volume
- decreased membrane thickness; increased alveolar surface area
Correct

Incorrect
Question 12 of 50

12. Question
Which of the following descriptions is correct?
- Solid: no constant volume and no constant shape
- Gas: constant volume and a definite shape
- Gas: no definite volume and no definite shape
- Liquid: no definite volume and constant shape
Correct

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Question 13 of 50

13. Question
The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange?
- Organelle
- Organ
- Tissue
- Organ System
Correct

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Question 14 of 50

14. Question
Which of the following is a function of the epidermis?

Please select all that apply.
- It functions as a major component of the adaptive immune system
- It protects underlying tissues from abrasions.
- It contains many blood vessels that can constrict or dilate for thermoregulation
- It stores fat
- It functions as a major component of the innate immunity
- It protects underlying tissue from chemicals.
Correct

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Question 15 of 50

15. Question
Which of the following causes bone matrix resorption during bone growth and remodeling?
- Osteocytes
- Osteoblasts
- Osteoclasts
- Osteons
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Question 16 of 50

16. Question
The majority of nutrient absorption occurs in the _________________.

Type your response in the box below.
Correct

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Question 17 of 50

17. Question
Which of the following structures is correctly paired with its function?
- Mouth- mechanical digestion
- Stomach- absorption of nutrients
- Small intestine- formation of feces
- Colon- formation of chyme
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Question 18 of 50

18. Question
Which of the following prefixes would likely be the most appropriate for measuring the weight of a 2,500 g kitten?
- Giga
- Kilo
- Nano
- Pico
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Question 19 of 50

19. Question
Which of the following correctly describes the difference between compact bone and spongy bone?
- Compact bone has trabeculae that support the bone marrow
- Compact bone is located more interior than spongy bone
- Spongy bone has more osteons than compact bone
- Spongy bone is lighter than compact bone
Correct

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Question 20 of 50

20. Question
Which of the following is the process by which gametes divide and produce half the number of chromosomes found in a somatic cell?
- Fertilization
- Meiosis
- Gametes
- Zygote
Correct

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Question 21 of 50

21. Question
Balance the following chemical equation:

CH₄ + Cl₂ → CCl₄ + HCl
- 2 CH₄ + Cl₂ → 2 CCl₄ + HCl
- CH₄ + Cl₂ → CCl₄ + HCl
- 2 CH₄ + 2 Cl₂ → 2 CCl₄ + 2 HCl
- CH₄ + 4 Cl₂ → CCl₄ + 4 HCl
Correct

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Question 22 of 50

22. Question
The same single-replacement reaction is run in two different beakers. The beakers are labeled as Beaker A and B and are heated to 75^oC and 100^oC, respectively. If the reactions are run for 15 minutes each, which of the following results would you expect to observe?
- Beaker A produces more product than Beaker B
- The two beakers produce the same amount of product
- Beaker B produces more product than Beaker A
- No products are produced in either beaker
Correct

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Question 23 of 50

23. Question
Movement of molecules in a substance depends on _______ energy.
- Gamma ray
- heat
- X-ray
- UV
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Question 24 of 50

24. Question
Why are control groups used in experiments?
- To minimize the effect of variables
- To ensure the accuracy of measurements
- To increase the amount of data collected
- To help scientists quickly perform experiments
Correct

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Question 25 of 50

25. Question
A scientist collected the following set of data to examine the effects of exercise on patients’ heart rates.

Patients were tasked with running 1 mile everyday for three days in the presence of the scientists. They were required to run the entire mile and were not allowed to walk. At the end of each mile run, the scientists measured the heart rates of the patients. Which of the following conclusions can be drawn from this data?
- Running increased the heart rates of the patients
- Patients that ran the mile faster had higher heart rates
- The patients became fitter with each mile run
- The patients ran Mile 3 faster than Mile 1
Correct

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Question 26 of 50

26. Question
Which of the following statements is true about viruses?
- All viruses only have DNA as their genetic material.
- All viruses only have RNA as their genetic material.
- Viruses have a mix of both DNA and RNA components.
- Viruses will have either DNA and RNA as their genetic material, but not both.
Correct

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Question 27 of 50

27. Question
Match the following structures to their function.

Drag and drop tiles in the appropriate box.
Sort elements
- External sex organ of a male
- Sperm channel from the epididymis to the penis
- Copulatory organ of the female
- Implantation site of a zygote
- Penis
- Vas deferens
- Vagina
- Uterus
Correct

Incorrect
Question 28 of 50

28. Question
Which of the following does not describe the dermis?
- The thickest layer of the skin
- A vascular layer of the skin
- The layer of the skin where cells containing the pigment melanin are found
- The layer of the skin that contains the network of capillaries necessary for thermoregulation
Correct

Incorrect
Question 29 of 50

29. Question
Which of the following is not true about thermoregulation?
- Contraction of arrector pili muscles facilitates vasodilation.
- Sweating facilitates cutaneous vasodilation.
- Cutaneous vasodilation cools the body by allowing heat to be released through skin.
- Cutaneous vasoconstriction warms the body by restricting blood flow in the skin.
Correct

Incorrect
Question 30 of 50

30. Question
Melatonin is the hormone that regulates sleep-and-wake rhythm. Which of the following endocrine glands is responsible for producing melatonin?
- Hypothalamus
- Pituitary
- Pineal
- Adrenal
Correct

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Question 31 of 50

31. Question
Which of the following is true of insulin and glucagon?

Please select all that apply.
- Secretion of insulin and glucagon is regulated by the pituitary gland.
- The pancreas secretes insulin and glucagon.
- Insulin and glucagon regulate the level of calcium in the blood.
- Insulin and glucagon regulate the level of glucose in the blood.
- Insulin and glucagon have opposite effects on blood glucose but work together to maintain homeostasis.
- Insulin and glucagon have opposite effects on blood calcium levels but work together to maintain homeostasis.
Correct

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Question 32 of 50

32. Question
Which of the following hormones is not increased in plasma during dehydration?
- Antidiuretic hormone
- Erythropoietin
- Aldosterone
- Renin
Correct

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Question 33 of 50

33. Question
In which segment of the nephron is glucose reabsorbed?
- Loop of henle
- Distal convoluted tubule
- Proximal convoluted tubule
- Collecting duct
Correct

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Question 34 of 50

34. Question
Which of the following is a substance that the kidneys remove from the blood during filtration?
- Oxygen
- Carbon Dioxide
- Red Blood Cells
- Salts
Correct

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Question 35 of 50

35. Question
T-lymphocytes mature and become functional in which of the following organs?
- Bone marrow
- Spleen
- Lymph nodes
- Thymus
Correct

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Question 36 of 50

36. Question
Which of the following antigen-specific immune cells produce cytokines, which facilitate various immune reactions?
- Helper T-cell
- Cytotoxic T-cell
- Macrophage cell
- B-cell
Correct

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Question 37 of 50

37. Question
Enzymes are biological catalysts that ___________.
- Increase the rate of any given reaction
- Use up the substrate molecules in the reaction
- Are necessary to convert substrate into products
- Bind to the products
Correct

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Question 38 of 50

38. Question
The _________________ is the blood vessel that carries oxygen depleted blood away from the heart.

Type the correct response in the box below.
Correct

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Question 39 of 50

39. Question
A lipid or fat molecule can be broken down into fatty acids and __________.

Type your response in the box below.
Correct

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Question 40 of 50

40. Question
Which of the following comparisons between arteries and veins is true?
- Veins have valves, and arteries do not.
- Veins have thick, muscular walls, while arteries have thin, more compliant walls.
- Veins carry freshly oxygenated blood from tissue back to the heart, while arteries carry oxygen-depleted blood away from the heart.
- Veins have a smaller diameter than arteries.
Correct

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Question 41 of 50

41. Question
Using the provided image, choose the anatomical structure designated by letter B.
- Right ventricle
- Right atrium
- Left ventricle
- Left atrium
Correct

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Question 42 of 50

42. Question
Which of the following is the most accurate description of the link between chromosomes and DNA?
- Chromosomes include numerous genes, each of which is made up of a DNA sequence.
- Chromosomes are the building blocks of DNA.
- The DNA sequence is made up of chromosomes, which include numerous genes.
- Genes contain chromosomes that are made up of DNA.
Correct

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Question 43 of 50

43. Question
The number of protons is the same as?
- The angular momentum
- Number of isotopes for the element
- The atomic number
- The nuclear force
Correct

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Question 44 of 50

44. Question
Which of the following statements is true about protons?
- They have a negative charge.
- They have more mass than a neutron.
- Some atoms have no protons.
- The number of protons in the nucleus is the defining property of an element.
Correct

Incorrect
Question 45 of 50

45. Question
Which of the following statements about diffusion is true?

Please select all that apply.
- Gas exchange in tissues is an example of diffusion.
- Osmosis is an example of diffusion.
- Diffusion is the net movement of molecules or atoms from a region of higher concentration to a region of lower concentration.
- Diffusion is the net movement of molecules or atoms from a region of lower concentration to a region of higher concentration.
- Diffusion is an active process.
- Diffusion is a passive process
Correct

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Question 46 of 50

46. Question
Review the data in this table, and then choose the statement that draws the best conclusion?
- Hours spent sleeping and score on the test correlate negatively with one another
- Hours spent sleeping and score on the test correlate with one another
- Amount of time spent sleeping is the cause of what test score was received
- There is no correlation between sleep time and test score
Correct

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Question 47 of 50

47. Question
Which of the following is the most plausible sequence of events?
- Born into musical family; grows up around music; starts learning guitar; plays concert
- Extensive car use; air pollution; less people with asthma; less healthcare expenses
- Walk in the woods; stung by bee; given morphine; early death
- Poaching more rhinos; more export rhino horn goods; more goods with a lower economic value; economy boost
Correct

Incorrect
Question 48 of 50

48. Question
Which of the following is a hypothesis?
- When I added fertilizer to my plants, they grew more quickly.
- One liter of water was added to a reaction.
- Five different breeds of dogs are at the dog park.
- If a student gets more sleep, they will get a higher test score.
Correct

Incorrect
Question 49 of 50

49. Question
Dissolved oxygen (DO) is an important indicator of water quality, and oxygen levels that are too high or too low can harm aquatic ecosystems. A biologist noticed that fish were dying in a local lake and was concerned that the DO levels were too low to support aquatic life due to extremely high temperatures that summer. To measure the DO levels, she brought back several lake water samples to her laboratory to measure the DO concentration as a function of temperature. To do this, she heated several samples of lake water to various temperatures and then measured the DO concentration in each sample. Some samples were kept at the outdoors temperature.

Which of the following is the independent variable?
- Dissolved oxygen concentration
- Temperature
- Volume of water
- Location of the lake
Correct

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Question 50 of 50

50. Question
Which of the following substances would not dissolve in water?
- NaCl
- CH₃OH
- C₃H₆
- CH₃CH₂OH
Correct

Incorrect

ATI TEAS 7 Science Review

Free ATI TEAS Science Diagnostic Test (50 Questions)

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