what type of chemical reaction produces a salt
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ATI TEAS 7

ATI TEAS Science

1. Which type of chemical reaction produces a salt?

Correct answer: B

Rationale: The correct answer is B, a neutralization reaction. In a neutralization reaction, an acid and a base react to produce a salt and water. This process involves the combination of H+ ions from the acid and OH- ions from the base to form water, while the remaining ions combine to form a salt. Therefore, a neutralization reaction is the specific type of chemical reaction that produces a salt. Choices A, C, and D are incorrect. An oxidation reaction involves the loss of electrons, a synthesis reaction involves the formation of a compound from simpler substances, and a decomposition reaction involves the breakdown of a compound into simpler substances. None of these reactions directly lead to the production of a salt, making them incorrect choices in this context.

2. Adipose tissue, commonly known as fat, primarily functions in:

Correct answer: D

Rationale: Adipose tissue, also known as fat, serves multiple essential functions in the body. It provides support by cushioning and protecting organs, acts as an insulator to help regulate body temperature, and serves as a major energy storage site by storing excess energy in the form of triglycerides. Therefore, all the options (support, insulation, and energy storage) are correct functions of adipose tissue, making 'All of the above' the correct answer. Choices A, B, and C are all individually valid functions of adipose tissue, but to encompass the comprehensive role of adipose tissue, 'All of the above' is the most accurate option.

3. Which part of the nervous system is responsible for transmitting signals from the sensory organs to the central nervous system?

Correct answer: C

Rationale: The correct answer is C, the peripheral nervous system. The peripheral nervous system is responsible for transmitting signals from the sensory organs to the central nervous system. It consists of nerves that connect the central nervous system to the rest of the body, including sensory nerves that carry information from the sensory organs to the brain and spinal cord. Choices A, B, and D are incorrect. The autonomic nervous system is responsible for involuntary functions like heart rate and digestion, the somatic nervous system controls voluntary movements, and the central nervous system consists of the brain and spinal cord.

4. Which of the following is not a biological macromolecule?

Correct answer: D

Rationale: Glucose is a monosaccharide, which is a simple sugar and not a macromolecule. Glycoproteins, DNA, and phospholipids are all examples of biological macromolecules. Glycoproteins are proteins covalently bonded to carbohydrates, DNA is a nucleic acid, and phospholipids are lipids that contain a phosphate group.

5. Which structure in the skin is responsible for producing melanin?

Correct answer: B

Rationale: The correct answer is B: Melanocyte. Melanocytes in the skin are responsible for producing melanin, the pigment that gives skin its color and provides protection against harmful UV radiation. Sudoriferous glands produce sweat, sebaceous glands produce sebum (oil), and hair follicles are associated with hair growth. However, the specific function of producing melanin is attributed to melanocytes, making them the correct answer in this context.

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