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Nursing Elites

ATI TEAS 7

physics

1. What is the formula to calculate acceleration?

Correct answer: A

Rationale: Acceleration is calculated as the change in velocity divided by the time taken.

2. What is the process of converting glucose into ATP, the cell's primary energy currency, called?

Correct answer: A

Rationale: Rationale: A) Cellular respiration is the process by which cells convert glucose into ATP, the primary energy currency of the cell. This process involves a series of biochemical reactions that occur in the mitochondria of eukaryotic cells or the cytoplasm of prokaryotic cells. Through cellular respiration, the energy stored in glucose molecules is gradually released and captured in the form of ATP. B) Fermentation is an anaerobic process that occurs in the absence of oxygen. It involves the partial breakdown of glucose to produce ATP and end products such as lactic acid or ethanol. While fermentation can generate ATP, it is less efficient than cellular respiration in terms of energy production. C) Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. This process occurs in chloroplasts and is the opposite of cellular respiration. While photosynthesis produces glucose,

3. What is the difference between a pure substance and a mixture?

Correct answer: A

Rationale: Rationale: - Pure substances have a definite and constant composition, meaning they are made up of only one type of atom or molecule. This composition does not vary. - Mixtures, on the other hand, are composed of two or more substances physically combined. The components of a mixture can be present in varying proportions, leading to a variable composition. - Option A correctly distinguishes between pure substances and mixtures based on the fixed composition of pure substances and the variable composition of mixtures.

4. Which of the following is the main organ responsible for producing enzymes?

Correct answer: B

Rationale: Rationale: The pancreas is the main organ responsible for producing enzymes. Enzymes are proteins that act as biological catalysts to speed up chemical reactions in the body. The pancreas produces and releases digestive enzymes that help break down carbohydrates, proteins, and fats in the small intestine to aid in the digestion and absorption of nutrients. The liver also plays a role in producing bile, which helps in the digestion and absorption of fats, but the main organ responsible for producing enzymes is the pancreas. The stomach produces gastric juices that contain hydrochloric acid and pepsin, which help break down food, but it is not the main organ responsible for producing enzymes. The small intestine is where most of the digestion and absorption of nutrients occurs, but it does not produce the enzymes itself; instead, it receives enzymes from the pancreas and other organs.

5. What is the term for the phenomenon when two waves combine to form a new wave?

Correct answer: b

Rationale: Interference occurs when two waves meet and their amplitudes combine, resulting in a new wave.

6. What is the outermost protective layer of the kidney?

Correct answer: C

Rationale: The correct answer is C, renal capsule. The renal capsule is a tough fibrous layer that surrounds the kidney and provides protection. It helps maintain the shape of the kidney and serves as a barrier against infections and injuries. The renal cortex (A) is the outer region of the kidney where filtration occurs. The renal medulla (B) is the inner region of the kidney where urine is formed and collected. The renal pelvis (D) is a funnel-shaped structure that collects urine from the kidney and funnels it into the ureter. Therefore, the renal capsule is specifically the outermost protective layer of the kidney.

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