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Nursing Elites

ATI TEAS 7

Physics

1. A satellite orbits the Earth at constant speed. Which force is responsible for its circular motion?

Correct answer: A

Rationale: This force acts towards the Earth's center, providing the centripetal force required for the satellite to move in a circle.

2. The electrical conductivity of a strong acid solution is higher than that of a weak acid solution because:

Correct answer: B

Rationale: Strong acids completely dissociate, leading to a h

3. What term describes the maximum displacement of particles from their rest position in a wave?

Correct answer: C

Rationale: The term that describes the maximum displacement of particles from their rest position in a wave is called the amplitude. Amplitude is a measure of the strength or intensity of a wave and is represented by the height of the wave from the rest position to the crest (or trough) of the wave. Frequency (A) refers to the number of complete wavelengths that pass a point in a given time, wavelength (B) is the distance between two consecutive crests (or troughs) of a wave, and velocity (D) is the speed of the wave.

4. Memory B cells and memory T cells are crucial for immunological memory. How does immunological memory enhance the immune response upon re-exposure to a pathogen?

Correct answer: B

Rationale: Option B is correct because memory B cells and memory T cells retain information about a specific pathogen encountered before. Upon re-exposure to the same pathogen, these memory cells facilitate a faster and stronger immune response. Memory B cells quickly differentiate into plasma cells that produce antibodies more rapidly and in larger quantities than during the initial infection. Memory T cells can recognize the pathogen quickly and activate other immune cells to eliminate the threat efficiently. This allows the immune system to mount a quicker and more effective defense, potentially preventing the spread of the pathogen and reducing the severity of the infection.

5. Which sentence avoids a comma splice?

Correct answer: C

Rationale: Option C uses a semicolon to separate two independent clauses, avoiding a comma splice.

6. A population refers to a group of organisms of the same:

Correct answer: A

Rationale: In ecology, a population is a specific group of organisms of the same species living in a particular geographic area at a given time. They share a common gene pool and interact with each other and their environment.

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