what is the role of the rib cage in the human body
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Nursing Elites

ATI TEAS 7

TEAS Practice Test Science

1. What is the function of the rib cage in the human body?

Correct answer: B

Rationale: The rib cage plays a crucial role in protecting vital organs, specifically the lungs and heart, from external injuries. Choice A is incorrect because the rib cage does not primarily protect the digestive organs. Choice C is incorrect as the primary function of the rib cage is not to support movement, but to protect internal organs. Choice D is incorrect as regulating body temperature is not a function typically associated with the rib cage.

2. What is the term for a microorganism that lives on or in the human body and normally causes no disease or harm?

Correct answer: B

Rationale: The correct term for a microorganism that lives on or in the human body without causing harm is a commensal microorganism. Commensal microorganisms coexist with the host without causing disease or harm. Choice A, 'Bacteria,' is too broad as not all bacteria are harmless in the body. Choice C, 'Microorganism,' is a general term and does not specifically refer to the harmless nature of the organism. Choice D, 'Host,' refers to the organism harboring the microorganism, not the microorganism itself.

3. What is the network of vessels and ducts responsible for draining excess fluid and waste products from tissues?

Correct answer: C

Rationale: The correct answer is the Lymphatic system (option C). The lymphatic system is responsible for draining excess fluid and waste products from tissues. It works alongside the circulatory system to maintain fluid balance in the body. The circulatory system (option A) transports blood, the digestive system (option B) processes food, absorbs nutrients, and eliminates solid waste, while the respiratory system (option D) is responsible for gas exchange, specifically the intake of oxygen and removal of carbon dioxide.

4. When selecting a color palette for a presentation, what is the best approach?

Correct answer: C

Rationale: When selecting a color palette for a presentation, the best approach is to choose complementary colors that create harmony and contrast. This selection ensures that the colors work well together, enhancing visual interest and clarity in your presentation slides. Complementary colors help in making your slides more appealing and engaging for the audience, as they provide a balanced and visually pleasing combination. Option A, utilizing as many vibrant colors as possible, can lead to a cluttered and distracting presentation. Option B, sticking to a monochrome palette, may lack the visual interest needed in a presentation. Option D, using the same colors as your company logo, may not always provide the necessary variety and contrast required for an effective presentation.

5. Which hormone primarily triggers ovulation in the female menstrual cycle?

Correct answer: C

Rationale: Luteinizing hormone (LH) is the hormone primarily responsible for triggering ovulation in the female menstrual cycle. LH surge occurs around the middle of the menstrual cycle, causing the mature follicle to release an egg from the ovary. Estrogen and progesterone play crucial roles in regulating the menstrual cycle and preparing the endometrium for potential implantation of a fertilized egg, but they do not trigger ovulation directly. Follicle-stimulating hormone (FSH) is essential for the development of ovarian follicles but is not the primary hormone responsible for ovulation. Therefore, the correct answer is Luteinizing hormone (LH) as it directly initiates the release of the egg during ovulation.

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