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Nursing Elites

ATI TEAS 7

physics

1. Which property of a wave represents the distance between two successive identical points on a wave?

Correct answer: a

Rationale: Wavelength is the distance between two identical points (like crests or troughs) on a wave.

2. Peppered moths in England came in two color variations – light and dark. After the Industrial Revolution, the population shifted towards more dark moths. This is an example of:

Correct answer: B

Rationale: Rationale: The phenomenon of peppered moths in England shifting towards more dark moths after the Industrial Revolution is a classic example of natural selection acting on pre-existing variation. Before the Industrial Revolution, light-colored moths were better camouflaged against lichen-covered tree trunks, which were common in the environment. However, with the increase in industrial pollution, the tree trunks became darker due to soot, making dark-colored moths better camouflaged and less likely to be eaten by predators. As a result, the population shifted towards more dark moths over time. This change in the moth population was driven by the selective pressure of predation, demonstrating the process of natural selection favoring individuals with traits that provide a survival advantage in a changing environment.

3. How does an increase in mass affect the force required to produce the same acceleration on an object?

Correct answer: a

Rationale: With an increase in mass, more force is needed to produce the same acceleration due to inertia.

4. What is the part of the nervous system responsible for the “fight-or-flight” response?

Correct answer: C

Rationale: The correct answer is C: Sympathetic nervous system. The sympathetic nervous system is responsible for the "fight-or-flight" response, which is the body's automatic response to perceived threat or danger. When activated, this system increases heart rate, dilates airways, and redirects blood flow to muscles to prepare the body for action. The somatic nervous system (A) controls voluntary movements, the parasympathetic nervous system (B) is responsible for the "rest and digest" response, and the enteric nervous system (D) regulates the digestive system. Therefore, the sympathetic nervous system is the specific part of the nervous system involved in the fight-or-flight response.

5. What is the general formula for an alkene?

Correct answer: B

Rationale: The general formula for an alkene is \(C_nH_{2n}\), indicating the presence of a double bond between carbon atoms.

6. You need to fill a rectangular swimming pool with dimensions 10 meters by 5 meters and a depth of 2 meters. How many cubic meters of water does it take to fill the pool?

Correct answer: C

Rationale: Simply multiply the pool's dimensions to find its volume.

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