ATI TEAS 7
TEAS Test 7 science
1. Why is the stratified squamous epithelium found in the skin adapted for?
- A. Absorption
- B. Secretion
- C. Protection
- D. Gas exchange
Correct answer: C
Rationale: The stratified squamous epithelium found in the skin is adapted for protection. This type of epithelium forms a tough, protective barrier against physical, chemical, and biological damage. Its multiple layers of cells help prevent the entry of pathogens and reduce water loss from the body, making it essential for shielding the underlying tissues. Choices A, B, and D are incorrect because stratified squamous epithelium is not specialized for absorption, secretion, or gas exchange. Instead, its primary function is to protect the underlying tissues and organs from external damage and dehydration.
2. Which of the following substances is NOT a product of cellular respiration?
- A. Carbon dioxide
- B. Water
- C. Oxygen
- D. ATP
Correct answer: C
Rationale: The correct answer is C. Oxygen is not a product of cellular respiration; instead, it is consumed during the process. During cellular respiration, glucose is broken down in the presence of oxygen to produce energy in the form of ATP, carbon dioxide, and water. Carbon dioxide is released as a waste product, water is a byproduct of the chemical reactions, and ATP is the energy currency used by cells. Therefore, options A, B, and D are all products or outcomes of cellular respiration, while oxygen is a reactant.
3. Which of the following organs belongs to the digestive system?
- A. Spine
- B. Lungs
- C. Brain
- D. Stomach
Correct answer: D
Rationale: The correct answer is D: Stomach. The stomach is an organ of the digestive system. Its main function is to break down and digest food, allowing the nutrients to be absorbed into the body. The stomach secretes digestive enzymes and acids to help in the digestion process. Choices A, B, and C are incorrect as the spine, lungs, and brain are not part of the digestive system. The spine is part of the skeletal system, the lungs belong to the respiratory system, and the brain is part of the nervous system.
4. Which term in physics describes the resistance of an object to changes in its motion?
- A. Inertia
- B. Momentum
- C. Gravity
- D. Kinetic energy
Correct answer: A
Rationale: Inertia is the term that describes the resistance of an object to changes in its motion. This property is explained by Newton's First Law of Motion, which states that objects tend to maintain their state of motion unless acted upon by an external force. Inertia is closely related to mass, where objects with more mass exhibit more resistance to changes in motion. Momentum (B) is the product of an object's mass and velocity, gravity (C) is the force of attraction between objects, and kinetic energy (D) is the energy associated with an object's motion. Therefore, the correct answer is A because inertia specifically addresses the resistance of an object to changes in its motion.
5. What property of a substance remains constant regardless of the amount of the substance present?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: C
Rationale: The correct answer is C, Density. Density is a physical property of a substance that remains constant regardless of the amount of the substance present. Mass (Choice A) is the amount of matter in an object and can change depending on the amount of the substance. Weight (Choice B) is the force exerted on an object due to gravity and can vary with location. Volume (Choice D) is the amount of space occupied by a substance and can change if the amount of the substance changes.
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