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Nursing Elites

ATI TEAS 7

Biology

1. Endotoxins are toxic substances released by:

Correct answer: C

Rationale: Rationale: Endotoxins are toxic substances that are part of the outer membrane of the cell wall of gram-negative bacteria. These toxins are released when the bacteria are destroyed or during bacterial growth. Endotoxins can cause a variety of harmful effects in the host, including fever, inflammation, and septic shock. Viruses do not produce endotoxins, and gram-positive bacteria produce exotoxins rather than endotoxins. Parasites are not typically associated with the production of endotoxins.

2. The kidneys are bean-shaped organs responsible for filtering waste products from the blood. What is the main nitrogenous waste product the kidneys eliminate?

Correct answer: C

Rationale: The correct answer is C: Urea. The kidneys filter waste products from the blood to maintain a proper balance of electrolytes and remove toxins. Urea is the main nitrogenous waste product formed from the breakdown of proteins in the liver. It is then excreted by the kidneys through urine. Carbon dioxide is a waste product of cellular respiration and is eliminated primarily through the lungs. Ammonia is a toxic compound that is converted to urea in the liver before being excreted by the kidneys. Glucose is a sugar that is normally reabsorbed by the kidneys and not excreted as waste.

3. What happens to the momentum of an object when there is no external force acting upon it?

Correct answer: c

Rationale: In the absence of external forces, momentum remains constant due to the conservation of momentum.

4. Which of the following is an example of a chemical property of matter?

Correct answer: b

Rationale: Chemical properties describe how a substance reacts with other substances, such as its ability to burn (flammability) or react with acids or bases.

5. 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.

6. She wants to ensure that every task is carried out as planned. Which of the following tasks is

Correct answer: C

Rationale: The correct answer is C because evaluating the credentials of all nursing staff is essential to ensuring that the right individuals are in place to carry out tasks effectively. This task directly contributes to maintaining a high standard of performance and ensuring that the team is qualified for their roles. In contrast, the other options focus on policies, reviews, and schedules, which are important but do not directly address the qualifications and capabilities of the staff responsible for task execution.

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