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 is not part of the digestive system?

Correct answer: D

Rationale: The correct answer is 'D: Pancreas.' While the pancreas contributes to digestion by secreting enzymes, it is not part of the main digestive tract. The esophagus, liver, and stomach are integral components of the digestive system. The esophagus helps in the transport of food to the stomach, the stomach aids in food breakdown, the liver produces bile for fat digestion, and the pancreas secretes digestive enzymes. Therefore, the pancreas is the correct answer as it is not part of the primary digestive tract but supports digestion through enzyme secretion.

3. Which of the following best describes the function of synergists?

Correct answer: D

Rationale: Synergists play multiple roles in muscle function. They assist primary movers in completing specific movements by working together with them. Additionally, synergists help stabilize the point of origin and provide extra pull near the insertion, contributing to the efficiency of movement. Furthermore, they also help prevent unwanted movement at a joint by ensuring that the intended motion is executed smoothly. Therefore, all the statements in the answer choices accurately describe the functions of synergists, making 'All of the above' the most comprehensive and precise description of their role.

4. What is the name of the bone marrow cavity in the long bones where red blood cells are produced?

Correct answer: C

Rationale: The medullary cavity is the correct answer. It is the central cavity within the shafts of long bones where red bone marrow is located, responsible for the production of red blood cells. The periosteum is the outer layer of bone that provides nourishment and participates in bone repair. The diaphysis refers to the shaft of a long bone that contains yellow bone marrow. The epiphysis is the end of a long bone involved in joint articulation and contains red bone marrow in children for blood cell production.

5. A large geographic area characterized by similar climate, plants, and animals is called a:

Correct answer: C

Rationale: A) Population refers to a group of individuals of the same species living in a specific area. B) Community refers to all the populations of different species living and interacting in a particular area. C) Biome is a large geographic area characterized by similar climate, plants, and animals. Biomes are defined by factors such as temperature, precipitation, and vegetation types. D) Ecosystem refers to a community of living organisms interacting with each other and their physical environment. An ecosystem can be part of a biome.

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