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ATI TEAS 7

physics

1. What type of force allows a car to take a sharp turn while moving in a circular path?

Correct answer: A

Rationale: Centripetal force is the force that allows an object to move in a circular path. In the case of a car taking a sharp turn, the centripetal force is directed towards the center of the circle, keeping the car moving in a curved path. Tension force is the force transmitted through a string, rope, cable, or wire when it is pulled tight by forces acting from opposite ends. Frictional force opposes the motion of an object and is not the primary force responsible for allowing a car to take a sharp turn. Gravitational force is the force of attraction between two masses and is not directly related to a car taking a sharp turn.

2. An ancient Egyptian pyramid has a square base with side lengths of 20 meters and a remaining height (after erosion) of 10 meters. Its original height was 30 meters. What was the volume of the pyramid in its original state?

Correct answer: A

Rationale: Use the formula for the volume of a pyramid with the original height and base area.

3. What is the periodic table?

Correct answer: B

Rationale: The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic number, electron configurations, and recurring chemical properties. Elements are arranged in rows (periods) and columns (groups) with similar properties. The elements are listed in order of increasing atomic number, which is the number of protons in the nucleus of an atom. This arrangement reveals a periodic repetition of chemical properties, which is the basis of the periodic law.

4. Two identical balls, one made of clay and the other made of steel, are dropped from the same height. Which ball reaches the ground first, neglecting air resistance?

Correct answer: C

Rationale: In a vacuum (neglecting air resistance), the acceleration due to gravity is constant for all objects regardless of their mass or composition. This means both balls will experience the same acceleration and reach the ground at the same time.

5. Which hormone, produced by the pancreas, is involved in the regulation of blood sugar levels by inhibiting the release of insulin and promoting the release of glucose into the bloodstream?

Correct answer: D

Rationale: The correct answer is D: Somatostatin. Somatostatin is a hormone produced by the pancreas that plays a key role in regulating blood sugar levels. It inhibits the secretion of insulin, which helps prevent a further decrease in blood sugar levels. Additionally, somatostatin promotes the release of glucose into the bloodstream by inhibiting the release of other hormones that would lower blood sugar levels. This dual action of somatostatin helps maintain blood sugar within a normal range. While insulin is involved in lowering blood sugar levels by promoting glucose uptake, glucagon stimulates the release of glucose from storage to increase blood sugar levels. Cortisol is a steroid hormone produced by the adrenal glands that plays a role in stress response and metabolism, but it is not directly involved in regulating blood sugar levels.

6. Chyle, a milky white fluid, is transported by lymphatic vessels from the:

Correct answer: B

Rationale: The correct answer is B: Intestines. Chyle is a milky white fluid that is formed in the small intestine during digestion, mainly from the absorption of dietary fats. It is rich in fats and lymphocytes. Lymphatic vessels in the intestines, called lacteals, absorb the chyle and transport it through the lymphatic system. Chyle eventually enters the bloodstream via the thoracic duct. The lungs are responsible for gas exchange, not the transport of chyle. The kidneys are involved in filtering blood and producing urine. The skin is the body's largest organ responsible for protection, temperature regulation, and sensation, but it is not involved in transporting chyle.

Similar Questions

Chyle, a milky white fluid, is transported by lymphatic vessels from the:
Which statement accurately describes the Linnaean system of classification?
Which hormone, produced by the thyroid gland, regulates calcium levels in the blood by enhancing calcium absorption in the intestines and reducing calcium loss in the kidneys?
Two cars with different masses collide head-on. Which car experiences a greater change in momentum?
Which sentence uses the phrase "by the way" correctly?
Which hormone is responsible for stimulating the development of sex organs and secondary sex characteristics during puberty?

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