what is the function of the pharynx
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Nursing Elites

ATI TEAS 7

ATI TEAS Practice Science Test

1. What is the function of the pharynx?

Correct answer: A

Rationale: The correct answer is A: 'Allow food and air to pass into the body.' The pharynx serves as a common pathway for both food and air. It connects the nasal cavity and mouth to the larynx and esophagus, enabling the passage of both food and air into their respective pathways. Choices B, C, and D are incorrect as they do not accurately describe the function of the pharynx. Option B is incorrect because the warming and moistening of air primarily occur in the nasal cavity and not in the pharynx. Option C is incorrect as the creation of a chest cavity is mainly related to the thoracic cavity, not the pharynx. Option D is also incorrect as the structural support to the alveolar region is provided by other structures like the alveoli and surrounding tissues, not the pharynx.

2. Which of the following systems is responsible for transporting blood throughout the body?

Correct answer: B

Rationale: The correct answer is B: Circulatory. The circulatory system, made up of the heart, blood vessels, and blood, is responsible for transporting blood throughout the body. It plays a vital role in delivering oxygen, nutrients, hormones, and removing waste products from cells. The respiratory system, on the other hand, is responsible for gas exchange in the lungs. The nervous system transmits signals between different parts of the body, while the digestive system processes food and absorbs nutrients from it. Therefore, choices A, C, and D are incorrect as they are not primarily involved in the transportation of blood throughout the body.

3. What is the name for the process where a solid changes directly into a gas?

Correct answer: B

Rationale: Sublimation is the process by which a solid directly transforms into a gas without passing through the liquid phase. This occurs when the atmospheric pressure is lower than the vapor pressure of the solid, causing it to transition to a gas state. Choice A, evaporation, is the process where a liquid changes into a gas, not a solid. Choice C, condensation, is the opposite process where gas changes into a liquid. Choice D, melting, is the process where a solid changes into a liquid, not a gas.

4. How many kilograms are in 1,800 grams?

Correct answer: B

Rationale: To convert grams to kilograms, divide by 1,000 since there are 1,000 grams in a kilogram. Therefore, 1,800 grams is equal to 1.8 kilograms (1,800 / 1,000 = 1.8). Choice A (0.18) is incorrect because it incorrectly shifted the decimal point. Choice C (18) is incorrect as it represents the direct conversion without dividing by 1,000. Choice D (180) is incorrect as it is in the hundreds and not the correct conversion to kilograms. The correct answer is B.

5. What is the process by which ribosomes use transcribed RNA to assemble the required protein?

Correct answer: A

Rationale: Translation is the correct process where ribosomes decode mRNA to synthesize proteins, following the sequence of codons in the mRNA. During translation, ribosomes use the transcribed RNA (mRNA) as a template to assemble amino acids into a protein according to the genetic code carried by the mRNA. Choice B, Transcription, is incorrect as it is the process of synthesizing mRNA from a DNA template. Choice C, Replication, is also incorrect as it involves the duplication of DNA to produce an identical copy. Choice D, Duplication, is not a biological term related to protein synthesis, making it an incorrect choice.

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