TEAS 7 practice test science

Questions 108

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS 7 practice test science Questions

Question 1 of 5

What is the term for a group of organisms living in the same place and interacting with each other?

Correct Answer: B

Rationale: - A) Ecosystem refers to a biological community of interacting organisms and their physical environment. - B) Community specifically refers to a group of organisms of different species living in the same place and interacting with each other. - C) Population refers to a group of individuals of the same species living in the same area. - D) Niche refers to the role or function of an organism or species within an ecosystem. In this context, the term for a group of organisms living in the same place and interacting with each other is best described as a community because it involves multiple species interacting within a shared habitat.

Question 2 of 5

Muscles that work in opposition to each other, producing opposing movements, are called:

Correct Answer: B

Rationale: Antagonist muscles are pairs of muscles that work in opposition to each other, producing opposing movements. When one muscle contracts, the other relaxes to allow the movement to occur smoothly. Synergists are muscles that work together to create a movement, not in opposition. Agonists are muscles primarily responsible for producing a specific movement, not opposing each other. Fixators are muscles that stabilize joints to allow other movements to take place, providing a stable base for muscle actions but do not produce opposing movements.

Question 3 of 5

What is the final stage of both mitosis and meiosis?

Correct Answer: B

Rationale: - Interphase (option A) is not the final stage of mitosis or meiosis; it is the phase before cell division where the cell prepares for division by growing and replicating its DNA. - Telophase (option B) is the final stage of both mitosis and meiosis. During telophase, the separated chromosomes reach opposite poles of the cell, the nuclear membrane reforms around each set of chromosomes, and the chromosomes begin to decondense. - Cytokinesis (option C) is the process of dividing the cytoplasm to form two separate daughter cells. While it occurs after telophase, it is not considered the final stage of mitosis or meiosis. - G1 phase (option D) is the first gap phase in the cell cycle, occurring before DNA replication. It is not the final stage of mitosis or meiosis.

Question 4 of 5

What is the technical term for the involuntary muscular contractions that move food through the digestive tract?

Correct Answer: B

Rationale: Peristalsis is the term used to describe the involuntary muscular contractions that move food through the digestive tract. This process involves rhythmic contractions and relaxations of the muscles in the digestive system, which help propel food from the esophagus to the stomach and through the intestines for digestion and absorption of nutrients. Segmentation refers to the mixing movements in the intestines that aid in the absorption of nutrients but is not the term for the movement of food through the digestive tract. Chylification is not a recognized term in digestive physiology. Emulsification is the process of breaking down fat globules into smaller droplets to aid in digestion, not the movement of food through the digestive tract.

Question 5 of 5

Which type of epithelial tissue lines the inner lining of your intestines, responsible for absorption?

Correct Answer: B

Rationale: The correct answer is simple columnar epithelium. This type of epithelial tissue is well-suited for absorption and secretion due to its tall, column-like shape and the presence of microvilli on its surface, which increase the surface area for absorption in organs like the intestines. Simple columnar epithelium is the ideal choice for the inner lining of the intestines as it allows for efficient nutrient absorption. Stratified squamous epithelium is typically found in areas subjected to abrasion, like the skin, and not suited for absorption. Stratified cuboidal epithelium is rare and found in specific gland ducts, not in the intestines. Transitional epithelium is specialized for stretching and is primarily found in the urinary system, not involved in absorption processes in the intestines.

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