how many millimeters are in 5 centimeters
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Nursing Elites

ATI TEAS 7

Metric Conversions for Nursing

1. How many millimeters are in 5 centimeters?

Correct answer: B

Rationale: To convert centimeters to millimeters, you multiply by 10 since there are 10 millimeters in a centimeter. Therefore, 5 centimeters x 10 = 50 millimeters, making choice A the correct answer. Choice C, '5 mm,' is incorrect as it represents the original quantity in millimeters. Choice D, '500 cm,' is incorrect as it converts the centimeters to centimeters instead of millimeters.

2. Antibodies, crucial for immune defense, are produced by:

Correct answer: B

Rationale: Antibodies are produced by a specific type of lymphocyte known as B cells. B cells are a critical component of the adaptive immune system and are responsible for producing antibodies in response to pathogens. Neutrophils, monocytes, and basophils are types of white blood cells that are part of the innate immune response and do not have the function of producing antibodies. Neutrophils are primarily involved in phagocytosis, monocytes differentiate into macrophages and dendritic cells for antigen presentation, while basophils are involved in allergic reactions and parasitic infections.

3. What is crucial in technical writing?

Correct answer: C

Rationale: In technical writing, the primary goal is to explain complex concepts clearly and concisely for diverse readers. Using informal language (Choice A) can undermine the professionalism and clarity expected in technical documents. Emphasizing expertise with complex jargon (Choice B) may alienate readers who are not familiar with technical terminology. Prioritizing creativity and artistic flair (Choice D) may be misleading in technical writing, as the focus should be on clarity and accuracy rather than creative expression. Therefore, the correct choice is to explain concepts clearly and concisely for diverse readers, ensuring that the content is easily understandable and accessible.

4. Which plane divides the body into superior (top) and inferior (bottom) halves?

Correct answer: C

Rationale: The Transverse or Cross-Section Plane is the correct answer as it divides the body into superior (top) and inferior (bottom) halves. This plane runs horizontally across the body, perpendicular to the long axis, separating the body into upper and lower sections. Choice A, the Sagittal/Median Plane, divides the body into left and right halves, not superior and inferior halves. Choice B, the Frontal/Coronal Plane, divides the body into anterior (front) and posterior (back) halves. Choice D, the Horizontal Plane, is not a standard anatomical plane used to divide the body into specific sections.

5. What is the primary purpose of control rods within a nuclear reactor?

Correct answer: B

Rationale: The primary purpose of control rods in a nuclear reactor is to absorb excess neutrons to control criticality. When inserted into the reactor core, control rods absorb neutrons, reducing the number available for sustaining the fission chain reaction. This action allows operators to manage the reactor power levels and prevent overheating or runaway reactions. Reflecting neutrons back into the core and moderating neutron velocity are not the primary functions of control rods in a nuclear reactor. Choice A is incorrect because control rods do not reflect neutrons back into the core but absorb them. Choice C is incorrect as the moderation of neutron velocity is typically achieved by other materials like a moderator (e.g., water, graphite) rather than control rods. Choice D is incorrect as control rods do not reflect neutrons or moderate neutron velocity, making it an incorrect option.

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