ATI TEAS 7 science practice questions, set 17

ATI TEAS 7 · science

ATI TEAS 7 science practice questions set 17

You review anatomy, chemistry, and scientific reasoning the way TEAS 7 reports the science line. Five of the 15 questions include the correct answer and rationale. The other ten keep answers in the study hub. Continue with the ATI TEAS 7 exam guide or more ATI TEAS 7 practice questions.

Five science questions with answers

Cover the key. Write the first action. Then open the rationale and name why the other choices fail.

Question 1

Which type of waves exhibit both longitudinal and transverse motion?

  1. A. Electromagnetic waves
  2. B. Surface waves
  3. C. Mechanical waves
  4. D. Sound waves
Show answer and rationale

Correct answer: B — Surface waves

Surface waves exhibit both longitudinal and transverse motion. These waves travel along the boundary between two different mediums, such as water and air, causing particles to move both parallel (longitudinal) and perpendicular (transverse) to the wave's direction of travel. This unique characteristic distinguishes surface waves from other types of waves, making them the correct answer in this context. Electromagnetic waves, like light and radio waves, are purely transverse in nature, propagating through vacuum or different media through oscillating electric and magnetic fields perpendicular to the direction of wave travel. Mechanical waves, including both transverse (e.g., water waves) and longitudinal (e.g., sound waves in air) waves, do not typically exhibit both types of motion simultaneously, unlike surface waves.

Question 2

Which types of glial cells are found in the CNS?

  1. A. Schwann cells, satellite cells
  2. B. Astrocytes, microglia, ependymal cells, oligodendrocytes
  3. C. Satellite cells, microglia, oligodendrocytes
  4. D. Astrocytes, Schwann cells, satellite cells
Show answer and rationale

Correct answer: B — Astrocytes, microglia, ependymal cells, oligodendrocytes

The correct answer is B. Glial cells in the CNS include astrocytes, microglia, ependymal cells, and oligodendrocytes. Schwann cells and satellite cells are found in the PNS. Astrocytes are the most abundant type of glial cells and are involved in nutrient support, repair, and maintenance of the extracellular environment. Microglia are the resident immune cells of the CNS, playing a role in immune defense. Ependymal cells line the ventricles of the brain and the central canal of the spinal cord, contributing to the production and circulation of cerebrospinal fluid. Oligodendrocytes are responsible for producing myelin, which insulates axons in the CNS. Understanding the specific functions of each type of glial cell is essential in grasping the complexity of the central nervous system's support and protective mechanisms.

Question 3

After exposure to a pathogen, the immune system develops memory. What type of immune cell is responsible for this immunological memory?

  1. A. B cells
  2. B. T cells (specifically memory T cells)
  3. C. Phagocytes
  4. D. Natural killer cells
Show answer and rationale

Correct answer: A — B cells

B cells are responsible for immunological memory. Memory B cells, a type of B cells, retain a 'memory' of specific pathogens, enabling them to rapidly produce antibodies upon re-exposure. This rapid antibody production facilitates a quicker and more effective immune response. Although memory T cells also contribute to immunological memory by mounting a swift and robust immune response upon re-exposure to the pathogen, it is primarily memory B cells that play a crucial role in producing antibodies. Phagocytes are important immune cells involved in engulfing and digesting pathogens, while natural killer cells are primarily responsible for recognizing and eliminating abnormal cells, such as virus-infected cells or tumor cells. However, when it comes to immunological memory and antibody production, B cells are key players.

Question 4

Which of the following represents the strongest scientific argument?

  1. A. Scientific Hypothesis
  2. B. Scientific Law
  3. C. Scientific Study Conclusion
  4. D. Scientific Theory
Show answer and rationale

Correct answer: D — Scientific Theory

The correct answer is D, 'Scientific Theory.' A scientific theory is a well-substantiated explanation of an aspect of the natural world. It is based on a large body of evidence and has withstood rigorous testing and scrutiny. Scientific theories are considered the strongest scientific arguments because they have predictive power and are supported by a significant amount of empirical data. Choice A, 'Scientific Hypothesis,' is a proposed explanation for a phenomenon but lacks the extensive evidence and testing that theories undergo. Choice B, 'Scientific Law,' describes a consistent and predictable relationship between variables but does not explain why the relationship exists. Choice C, 'Scientific Study Conclusion,' may be based on a single study and lacks the comprehensive nature and validation that theories possess.

Question 5

How can you predict the charge of an ion formed by an element based on its position on the periodic table?

  1. A. Look for elements with similar atomic weights
  2. B. Identify the group number, which often indicates the typical ionic charge
  3. C. Identify the period number to determine the ionic charge
  4. D. Analyze the element's position within the group
Show answer and rationale

Correct answer: B — Identify the group number, which often indicates the typical ionic charge

The group number of an element on the periodic table often indicates the typical ionic charge it will form. Elements in the same group tend to have similar chemical properties, including the tendency to gain or lose electrons to achieve a stable electron configuration. This predictable pattern allows us to anticipate the charge of an ion formed by an element based on its position in the periodic table. Choices A, C, and D are incorrect because predicting the charge of an ion is primarily based on the element's group number, which reflects its valence electrons and typical ionic charge. Atomic weight (Choice A) and period number (Choice C) do not directly correlate with the ionic charge prediction, and analyzing the element's position within the group (Choice D) is less relevant than identifying the group number itself.

Keep going past these 15 questions

Missed-question review, longer banks, and the rest of 20,000+ nursing practice questions open when you start studying.

Ten more ATI TEAS 7 science questions

Stems and choices stay public so you can still reason. Correct answers and full rationales unlock with the rest of the bank.

Question 6

Which of the following lobes in the cerebral cortex is primarily responsible for processing and integrating sensory information received from the rest of the body?

  1. A. frontal lobe
  2. B. occipital lobe
  3. C. parietal lobe
  4. D. temporal lobe
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 7

When you push a book across a table, the book experiences an equal and opposite force from the table. Why doesn't the table move as well?

  1. A. The table is much heavier than the book.
  2. B. The force on the book acts in a different direction.
  3. C. The table has a much larger surface area, distributing the force over a wider area.
  4. D. All of the above
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 8

Which of the following accurately describes saltatory conduction?

  1. A. It is faster than normal nerve conduction
  2. B. It occurs from one node of Ranvier to the next
  3. C. It only occurs in myelinated neurons
  4. D. All of the above
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 9

Are red hair and a height of six feet part of an individual's genotype or phenotype?

  1. A. Red hair is part of the phenotype; height is part of the genotype.
  2. B. Red hair is part of the genotype; height is part of the phenotype.
  3. C. Both characteristics describe his genotype.
  4. D. Both characteristics describe his phenotype.
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 10

What is the process by which the body reabsorbs water from the large intestine?

  1. A. Dehydration
  2. B. Osmosis
  3. C. Filtration
  4. D. Secretion
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 11

Which of the following factors would NOT affect the solubility of a solid solute in a liquid solvent?

  1. A. Temperature
  2. B. Pressure
  3. C. Particle size
  4. D. Nature of the solute and solvent
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 12

Which structure in the respiratory system serves as the 'windpipe' that conducts air from the larynx to the bronchi?

  1. A. Trachea
  2. B. Larynx
  3. C. Bronchi
  4. D. Alveoli
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 13

How does electron configuration relate to the periodic table?

  1. A. Elements within the same period have identical electron configurations.
  2. B. Elements within the same group share similar electron configurations in their outermost shell.
  3. C. Electron configuration determines an element's position on the periodic table.
  4. D. An element's group on the periodic table is determined by the number of electron shells it possesses.
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 14

How do isotopes affect the atomic mass of an element?

  1. A. Isotopes have no effect on the atomic mass of an element.
  2. B. Isotopes cause the atomic mass of an element to vary slightly.
  3. C. Isotopes cause the atomic mass of an element to be exactly the same for all isotopes of that element.
  4. D. Isotopes cause the atomic mass of an element to vary greatly.
Answer and rationale unlock in the Nursier study hub. Unlock answers

Question 15

What is the acceleration of an object moving at a constant speed of 20 m/s if it comes to a complete stop within 5 seconds?

  1. A. 0 m/s² (no acceleration)
  2. B. 4 m/s²
  3. C. -4 m/s²
  4. D. Insufficient information
Answer and rationale unlock in the Nursier study hub. Unlock answers

About these ATI TEAS 7 science questions

ATI TEAS 7 science practice questions, set 17 for nursing students in the United States. Fifteen items. Five include answers and rationales in American English.

No. Nursier is independent practice. Register through the official path named on the ATI TEAS 7 exam guide.

The first five questions already include the rationale. Start full practice to unlock the remaining keys, missed-question review, and the rest of the bank.

Keep going past these 15 questions

Missed-question review, longer banks, and the rest of 20,000+ nursing practice questions open when you start studying.