ATI TEAS 7
TEAS version 7 quizlet science
1. The outermost layer of your skin, responsible for waterproofing and providing a barrier against pathogens, is the:
- A. Stratum basale (Basal layer)
- B. Stratum corneum
- C. Stratum granulosum
- D. Stratum spinosum
Correct answer: B
Rationale: The correct answer is B: Stratum corneum. The stratum corneum is the outermost layer of the epidermis, consisting of dead skin cells that are constantly shed and replaced. It serves as a protective barrier against pathogens and helps to prevent water loss from the body. Choice A, Stratum basale, is the deepest layer of the epidermis where new skin cells are produced. Choice C, Stratum granulosum, is a layer of the epidermis where the cells begin to flatten and lose their nuclei. Choice D, Stratum spinosum, is a layer of the epidermis where cells become irregular in shape and have spiny projections.
2. Which of the following choices best combines the following sentences? The French and Indian War was not an isolated war in North America. It was part of a larger war that Europe was fighting. Europeans called it the Seven Years’ War.
- A. The French and Indian War did not occur in North America but was rather a small part of the larger European war known as the Seven Years’ War.
- B. What Europeans called the Seven Years’ War was called the French and Indian War in North America. It was part of a larger war that Europe was fighting.
- C. The French and Indian War was not an isolated war in North America but was rather part of a larger war that Europe was fighting, known among Europeans as the Seven Years’ War.
- D. While North America was fighting the French and Indian War, the Europeans were fighting a much larger war known as the Seven Years’ War.
Correct answer: C
Rationale: Choice C best combines the sentences by correctly stating that the French and Indian War was not an isolated conflict in North America but rather part of a larger war that Europe was engaged in, known as the Seven Years’ War. This option maintains the chronological order of events and provides a clear and concise explanation. Choices A, B, and D either incorrectly convey the relationship between the wars, introduce unnecessary information, or deviate from the original context of the sentences, making them less suitable for combining the information effectively.
3. During exercise, oxygen is used to convert glucose into energy for muscles. This process is called:
- A. Aerobic respiration
- B. Anaerobic respiration
- C. Glycolysis
- D. Lactic acid fermentation
Correct answer: A
Rationale: Aerobic respiration is the process by which cells use oxygen to convert glucose into energy. This process occurs in the mitochondria of cells and is the most efficient way to produce energy during exercise. Anaerobic respiration and glycolysis are alternative pathways for energy production when oxygen is limited, typically occurring during high-intensity exercise. Lactic acid fermentation, on the other hand, occurs in the absence of oxygen and leads to the production of lactic acid, causing muscle fatigue and soreness.
4. Which gland located in the neck is responsible for regulating metabolism, growth, and development?
- A. Parathyroid gland
- B. Thyroid gland
- C. Pituitary gland
- D. Thymus gland
Correct answer: B
Rationale: The thyroid gland, located in the neck, is responsible for regulating metabolism, growth, and development. It produces hormones such as thyroxine (T4) and triiodothyronine (T3) that play a crucial role in these functions. The parathyroid gland regulates calcium levels, the pituitary gland controls various hormonal functions, and the thymus gland is involved in immune system development. Therefore, choices A, C, and D are incorrect as they have different functions compared to the thyroid gland.
5. Which property of matter refers to the force of gravity acting on an object?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: B
Rationale: Weight is the property of matter that refers to the force of gravity acting on an object. Mass is the amount of matter in an object, not affected by gravity. Density is the mass per unit volume of a substance, not directly related to gravity. Volume is the amount of space that an object occupies, not a measure of gravity's force.
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