TEAS Test 7 science quizlet

Questions 111

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Test 7 science quizlet Questions

Question 1 of 5

What is a characteristic property of acids?

Correct Answer: B

Rationale: The correct characteristic property of acids is a sour taste. Acids release hydrogen ions when dissolved in water, giving them a sour taste. Bitter taste is a property associated with bases, not acids. Slippery feel is a characteristic property of bases, due to their soap-like nature. Sweet taste does not accurately describe the characteristic property of acids, as they are known for their sour taste.

Question 2 of 5

Antigen-antibody binding is the principle behind:

Correct Answer: A

Rationale: Antigen-antibody binding is the principle behind vaccination. When a vaccine containing antigens (weakened or killed pathogens) is introduced into the body, the immune system produces antibodies that bind to these antigens. This binding triggers an immune response, leading to the production of memory cells that provide immunity against future infections by the same pathogen. Vaccination helps the body develop immunity without causing the disease itself, thereby protecting individuals from infectious diseases. Disinfection and sterilization involve different processes to eliminate or reduce pathogens on surfaces or objects. Antibiotic resistance is a phenomenon where bacteria evolve to resist the effects of antibiotics and is not directly related to antigen-antibody binding.

Question 3 of 5

Where is the major site for nutrient absorption in the digestive system?

Correct Answer: C

Rationale: The small intestine is recognized as the major site for nutrient absorption in the digestive system. It plays a crucial role in the digestion and absorption of nutrients from food. The small intestine's villi and microvilli provide a large surface area specialized for absorbing nutrients like carbohydrates, proteins, fats, vitamins, and minerals. This efficient absorption process is essential for supplying the body with the necessary nutrients for energy production, growth, and overall functioning. The mouth is primarily involved in the initial stages of digestion through mechanical and chemical breakdown of food. The stomach aids in further mechanical and chemical digestion but is not the primary site for nutrient absorption. The large intestine's main function is to absorb water and electrolytes, not nutrients.

Question 4 of 5

What is the role of the spindle apparatus in cell division?

Correct Answer: B

Rationale: The spindle apparatus, composed of microtubules, plays a crucial role in cell division (mitosis and meiosis) by ensuring proper chromosome separation and distribution to opposite poles of the cell. This segregation is vital for creating two genetically identical daughter cells in mitosis or four haploid daughter cells in meiosis. Choice A is incorrect because the separation of sister chromatids is specifically carried out by kinetochore fibers within the spindle apparatus. Choice C is inaccurate as the formation of a new nuclear envelope occurs post chromosome segregation. Choice D is incorrect as DNA synthesis does not occur within the spindle apparatus; it takes place during the S phase of the cell cycle.

Question 5 of 5

What is the term for the tiny particles that make up atoms?

Correct Answer: D

Rationale: The correct answer is 'Subatomic particles.' Subatomic particles are the tiny components that constitute atoms, including protons, neutrons, and electrons. Protons and neutrons are located in the nucleus of an atom, while electrons revolve around the nucleus. Choices A, B, and C specifically refer to individual subatomic particles but do not encompass the complete range of particles within an atom.

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