ATI TEAS 7
Anatomy
1. Which of the following factors can contribute to erectile dysfunction in males?
- A. Diabetes
- B. Cardiovascular disease
- C. Neurological disorders
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' Erectile dysfunction in males can be caused by various factors including diabetes, cardiovascular disease, and neurological disorders. Diabetes can lead to nerve damage and reduced blood flow, impacting erectile function. Cardiovascular disease can restrict blood flow to the penis, affecting erections. Neurological disorders can disrupt the signals between the brain and the reproductive system, interfering with the ability to achieve or maintain an erection. Therefore, all of these factors can contribute to erectile dysfunction in males.
2. Which of the following is NOT a property of a catalyst?
- A. Increases the rate of a reaction
- B. Remains unchanged after the reaction
- C. Lowers the activation energy
- D. Creates new products
Correct answer: D
Rationale: A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It remains unchanged after the reaction, which eliminates option B. A catalyst works by lowering the activation energy required for the reaction to occur, which eliminates option C. A catalyst does not create new products in a reaction; it only facilitates the conversion of reactants into products more efficiently. Therefore, option D is NOT a property of a catalyst.
3. A person is pushing a box across the floor. Which of the following forces is NOT doing work?
- A. The person's pushing force
- B. The normal force from the floor
- C. The gravitational force on the box
- D. The frictional force between the box and the floor
Correct answer: A
Rationale: Work is defined as the force applied in the direction of motion multiplied by the distance moved. Since the normal force acts perpendicular to the motion, it does not contribute to work.
4. What type of nuclear reaction releases a large amount of energy in a short time?
- A. Radioactivity
- B. Nuclear fission
- C. Nuclear fusion
- D. All of the above
Correct answer: C
Rationale: Nuclear fusion releases a large amount of energy in a short time by combining two light atomic nuclei to form a heavier nucleus. This process is the energy source of the sun and hydrogen bombs. Radioactivity involves the spontaneous emission of particles or energy from an unstable atomic nucleus, while nuclear fission is the splitting of a heavy atomic nucleus into two or more lighter nuclei, also releasing energy. However, nuclear fusion is specifically known for releasing a large amount of energy in a short time.
5. Which of the following substances is a common base found in household products?
- A. Sodium chloride (NaCl)
- B. Ammonia (NH₃)
- C. Vinegar
- D. Lemon juice
Correct answer: b
Rationale: Ammonia is a common base found in household products. The other choices are acids.
6. Which phrase best describes the relationship between smart grid technologies and renewable energy integration?
- A. Competitive and incompatible, hindering each other's effectiveness.
- B. Neutral and independent, neither impacting nor relying on each other.
- C. Complementary and synergistic, enhancing each other's functionality.
- D. Substitutable and interchangeable, offering equivalent solutions.
Correct answer: C
Rationale: The passage highlights the mutually beneficial relationship between smart grids and renewables, with both working together to optimize integration.
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