ATI TEAS Version 7 - Science
Access The Exact Questions for ATI TEAS Version 7 - Science
💯 100% Pass Rate guaranteed
🗓️ Unlock for 1 Month
Rated 4.8/5 from over 1000+ reviews
- Unlimited Exact Practice Test Questions
- Trusted By 200 Million Students and Professors
What’s Included:
- Unlock 150 + Actual Exam Questions and Answers for ATI TEAS Version 7 - Science on monthly basis
- Well-structured questions covering all topics, accompanied by organized images.
- Learn from mistakes with detailed answer explanations.
- Easy To understand explanations for all students.
Exact ATI TEAS Version 7 - Science nursing exam questions collected by students who passed! 98% success rate. Money-back guarantee. Your success is guaranteed!
Free ATI TEAS Version 7 - Science Questions
A physicist claims to have developed friction-free tires for cars. Which of the following problems would result from using these tires
-
The tires will not be able to roll or stop.
-
The tread on the tires will wear down quickly.
-
The tires will levitate off the road surface.
-
The tires will not stay attached to the car.
Explanation
Correct Answer A. The tires will not be able to roll or stop.
Explanation:
Friction is essential for the movement and control of a vehicle’s tires on a road surface. It allows tires to grip the road, enabling the car to move forward when accelerating, slow down when braking, and turn safely. If tires were completely friction-free, there would be no resistance between the tires and the road, making it impossible to roll properly without slipping uncontrollably or to stop effectively. The car would essentially slide uncontrollably in all directions.
Why the Other Options Are Incorrect:
B. The tread on the tires will wear down quickly
Without friction, there would be no abrasive contact between the tires and the road, meaning the tread wouldn’t wear down at all — the problem would be a lack of grip, not excessive wear.
C. The tires will levitate off the road surface
Friction-free tires wouldn’t cause levitation. Levitation would require an upward force countering gravity, such as magnetic repulsion, which is unrelated to the concept of tire-road friction.
D. The tires will not stay attached to the car
The attachment of tires to a car is mechanical, involving bolts and a hub assembly, and is not dependent on friction between the tires and the car itself. Friction-free tires would remain physically attached to the vehicle.
Genetic information describing the characteristics of an organism is found in which of the following
-
Nuclei
-
Ribosomes
-
Membranes
-
Cilia
Explanation
Correct Answer A. Nuclei
Explanation:
The nucleus of a eukaryotic cell contains the organism’s genetic information stored in DNA. This DNA encodes the instructions for the organism's characteristics and controls cellular activities by directing protein synthesis.
Why Other Options Are Wrong:
B. Ribosomes
Ribosomes synthesize proteins but do not contain genetic information.
C. Membranes
Cell membranes regulate transport and protect the cell but do not store genetic material.
D. Cilia
Cilia are hair-like structures involved in movement or sensory functions, not genetic information storage.
- a. Cell body
- b. Axon
- c. Neuron
- d. Myelin
Explanation
An axon is the long, slender projection of a neuron that carries electrical impulses (action potentials) away from the cell body toward the synaptic terminals, where neurotransmitters are released to communicate with the next neuron or target cell. Axons are often insulated with myelin, which speeds up impulse conduction.
Which of the following microorganisms lack their own metabolic pathways and can only reproduce inside of a host cell
-
Viruses.
-
Bacteria
-
Helminths
-
Protozoa
Explanation
Correct Answer A. Viruses
Explanation:
Viruses are non-living infectious agents that lack the cellular machinery needed for metabolism or independent reproduction. They do not have ribosomes, mitochondria, or enzymes necessary for energy production. Therefore, they must infect a host cell and hijack its machinery to replicate. This obligate intracellular nature distinguishes viruses from all other types of microorganisms.
Why Other Options Are Wrong:
B. Bacteria
Bacteria are prokaryotic cells that possess their own metabolic pathways and can reproduce independently through binary fission. They do not require a host cell to survive or replicate.
C. Helminths
Helminths are multicellular parasitic worms (e.g., tapeworms, roundworms) with complex metabolic systems. They can live inside or outside of hosts and are capable of reproduction and metabolism independently.
D. Protozoa
Protozoa are unicellular eukaryotes with full metabolic systems. While some are parasitic, they can carry out metabolism and reproduce independently of host cells.
- A. Estrogen
- B. Progestin
- C. Thyroxine
- D. Androgen
Explanation
In which of the following regions of the body are the tibia and fibula
-
Coxal
-
Antecubital
-
Crural
-
Tarsal
Explanation
Correct Answer C. Crural
Explanation:
The tibia and fibula are the two long bones located in the crural region, which refers to the lower leg between the knee and ankle.
Why Other Options Are Wrong:
A. Coxal
This refers to the hip region.
B. Antecubital
This refers to the front of the elbow.
D. Tarsal
This refers to the ankle region and the bones in the foot.
Which of the following is a group that can be measured against the experimental group
-
Variable
-
Responding
-
Manipulated
-
Control
Explanation
Correct Answer D. Control
Explanation:
The control group is the group in an experiment that does not receive the experimental treatment. It is used as a baseline for comparison to determine the effect of the independent (manipulated) variable on the experimental group. By comparing results between the control and experimental groups, researchers can isolate the specific impact of the variable being tested.
Why the Other Options Are Incorrect:
A. Variable
A variable is any factor that can change in an experiment. It is not a group but a characteristic or condition that may influence the outcome.
B. Responding
The responding variable, also called the dependent variable, is what is measured during the experiment. It is not a group but the effect or outcome observed.
C. Manipulated
The manipulated variable, also called the independent variable, is the factor intentionally changed by the experimenter. Like the responding variable, it is not a group but a condition applied to the experimental group.
- A. Chlorophyll a
- B. Chlorophyll b
- C. Carotenoids
- D. Anthocyanins
Explanation
Which of the following statements describes changes in the tubes that conduct air from the primary bronchi toward the bronchioles in the lungs
-
Epithelial layer gets thinner.
-
Cilia become more plentiful.
-
Tube diameter increases
-
Cartilage rings become larger.
Explanation
Correct Answer A: Epithelial layer gets thinner.
Explanation:
As air moves through the respiratory tract from the primary bronchi toward the smaller bronchioles, the structure of the airway walls changes to suit the demands of gas exchange. One of the primary changes is that the epithelial lining gradually gets thinner, shifting from pseudostratified columnar epithelium in the bronchi to simple cuboidal and then to simple squamous epithelium in the alveoli. This thinning facilitates efficient diffusion of gases like oxygen and carbon dioxide in the terminal regions of the lungs.
Why the Other Options Are Incorrect:
B. Cilia become more plentiful.
As the airways branch and get smaller, the number of cilia actually decreases. Cilia are abundant in the larger airways like the trachea and bronchi, where they help move mucus and trapped debris upward, but they become sparse and eventually absent in the terminal bronchioles and alveoli.
C. Tube diameter increases.
The diameter of the airways progressively decreases as they branch from the primary bronchi to the bronchioles. This branching pattern maximizes surface area for gas exchange and is the opposite of what this option suggests.
D. Cartilage rings become larger.
Cartilage rings are prominent in the trachea and primary bronchi to keep these large airways open. As the airways branch into smaller bronchi and bronchioles, the cartilage rings become smaller, then fragmented, and eventually disappear entirely in the bronchioles.
Which of the following contains a human's hereditary information
-
Chromatin
-
Histones
-
ATP
-
Plasmids
Explanation
Correct Answer A. Chromatin
Explanation of Correct Answer:
Chromatin is the complex of DNA and proteins (mainly histones) found in the nucleus of eukaryotic cells, including human cells. It contains the hereditary information in the form of genes encoded in the DNA. When a cell divides, chromatin condenses to form chromosomes.
Why the Other Options Are Incorrect:
B. Histones
Histones are proteins that help organize and package DNA into chromatin, but they do not store genetic information themselves.
C. ATP
ATP (adenosine triphosphate) is the cell's energy molecule. It plays no role in storing hereditary information.
D. Plasmids
Plasmids are small, circular DNA molecules found in bacteria and some other organisms, but they are not a natural part of human cells.
How to Order
Select Your Exam
Click on your desired exam to open its dedicated page with resources like practice questions, flashcards, and study guides.Choose what to focus on, Your selected exam is saved for quick access Once you log in.
Subscribe
Hit the Subscribe button on the platform. With your subscription, you will enjoy unlimited access to all practice questions and resources for a full 1-month period. After the month has elapsed, you can choose to resubscribe to continue benefiting from our comprehensive exam preparation tools and resources.
Pay and unlock the practice Questions
Once your payment is processed, you’ll immediately unlock access to all practice questions tailored to your selected exam for 1 month .