the bones of the skull are classified as what type of bone
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ATI TEAS 7

TEAS Test 7 science

1. How are the bones of the skull classified?

Correct answer: C

Rationale: The bones of the skull are classified as flat bones. Flat bones are thin, flattened, and usually curved bones that provide protection to underlying organs and have a large surface area for muscle attachment. The skull bones fit this description as they protect the brain and have a broad surface for muscle attachment. Choice A (Long bones), B (Short bones), and D (Irregular bones) are incorrect classifications. Long bones are typically found in the extremities like the arms and legs, short bones are cube-shaped like the wrist and ankle bones, and irregular bones have complex shapes like the vertebrae. These classifications do not describe the bones of the skull, which are predominantly flat bones.

2. After exposure to a pathogen, the immune system develops memory. What type of immune cell is responsible for this immunological memory?

Correct answer: A

Rationale: B cells are responsible for immunological memory. Memory B cells, a type of B cells, retain a 'memory' of specific pathogens, enabling them to rapidly produce antibodies upon re-exposure. This rapid antibody production facilitates a quicker and more effective immune response. Although memory T cells also contribute to immunological memory by mounting a swift and robust immune response upon re-exposure to the pathogen, it is primarily memory B cells that play a crucial role in producing antibodies. Phagocytes are important immune cells involved in engulfing and digesting pathogens, while natural killer cells are primarily responsible for recognizing and eliminating abnormal cells, such as virus-infected cells or tumor cells. However, when it comes to immunological memory and antibody production, B cells are key players.

3. What is the main role of the large intestine in digestion?

Correct answer: D

Rationale: The main role of the large intestine in digestion is to absorb water. When food reaches the large intestine, most nutrients have already been absorbed by the small intestine. In the large intestine, water is absorbed from the remaining undigested food, helping to form solid waste (feces). Absorbing proteins, carbohydrates, or fats primarily occurs in the small intestine, not in the large intestine. Therefore, options A, B, and C are incorrect.

4. How is the number -4 classified?

Correct answer: C

Rationale: The number -4 is classified as a real number because it exists on the number line. It is also a rational number since it can be expressed as -4/1. Additionally, -4 is an integer because it is a whole number that can be positive, negative, or zero. However, -4 is not a whole number because whole numbers are non-negative integers starting from zero. Similarly, -4 is not a natural number since natural numbers are positive integers starting from one. Therefore, the correct classification for the number -4 is real, rational, and integer, making option C the correct answer.

5. What is the purpose of the italics used for several of the words identified in the sentence above?

Correct answer: D

Rationale: The purpose of the italics used for several words in the sentence is to indicate books that Angela completed during the summer. The italics are used for titles of books or literary works, showing emphasis or highlighting specific titles. In the provided extract, titles like 'The Great Gatsby,' 'Brave New World,' and 'A Passage to India' are italicized, indicating completed readings. Choice A is incorrect as it does not accurately reflect the purpose of italics in this context. Choice B is incorrect because the use of italics does not specifically indicate classic literature. Choice C is also incorrect as the italics are not related to recommendations but rather completion of reading.

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