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Nursing Elites

ATI TEAS 7

physics

1. What type of lens is thinner at the center than at the edges and causes light rays to diverge?

Correct answer: b

Rationale: A concave lens is thinner at the center than at the edges and diverges light rays.

2. Temperature Conversion & Interpretation: A patient's body temperature is 102°F. Convert this to °C and assess if it indicates a fever.

Correct answer: C

Rationale: Rationale: 1. To convert Fahrenheit to Celsius, you can use the formula: °C = (°F - 32) x 5/9. 2. Given that the patient's body temperature is 102°F, we can calculate the equivalent temperature in Celsius: °C = (102 - 32) x 5/9 °C = 70 x 5/9 °C = 350/9 °C ≈ 38.9°C, which can be rounded to 39°C. 3. A body temperature of 39°C is considered to indicate a fever. Normal body temperature typically ranges from 36.1°C to 37.2°C, so a temperature of 39°C is higher than the normal range and suggests a fever. 4. Options A and B are incorrect as they do not reflect the conversion of 102°F to °C

3. A pressure vessel has a cylindrical body (diameter 10cm, height 20cm) with hemispherical ends (same diameter as the cylinder). What is its total surface area?

Correct answer: D

Rationale: Calculate the surface area of the cylinder (base + lateral surface) and two hemispheres. Add them all up for the total surface area.

4. Which law of motion states that for every action, there is an equal and opposite reaction?

Correct answer: c

Rationale: Newton's Third Law states the action-reaction principle.

5. What phenomenon explains the bending of light as it passes around an obstacle or through an aperture?

Correct answer: c

Rationale: Diffraction refers to the bending of light waves as they encounter an obstacle or pass through an aperture, causing the light to spread out.

6. Which hormone, produced by the pancreas, regulates blood sugar levels by promoting the uptake of glucose into cells?

Correct answer: A

Rationale: The correct answer is A: Insulin. Insulin is a hormone produced by the pancreas that plays a crucial role in regulating blood sugar levels by promoting the uptake of glucose into cells. When blood sugar levels are high, insulin is released to help cells take in glucose for energy production or storage. Glucagon (option B) is another hormone produced by the pancreas but functions in the opposite way to insulin, increasing blood sugar levels by promoting the release of stored glucose from the liver. Cortisol (option C) and Thyroxine (option D) are hormones produced by the adrenal glands and thyroid gland, respectively, but they do not primarily regulate blood sugar levels like insulin. Therefore, the correct choice is A: Insulin.

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