ATI TEAS 7
Mathematics
1. 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?
- A. 50 cu m
- B. 100 cu m
- C. 150 cu m
- D. 200 cu m
Correct answer: C
Rationale: Simply multiply the pool's dimensions to find its volume.
2. The dome-shaped muscular structure that separates the chest cavity from the abdominal cavity is the:
- A. Diaphragm
- B. Sternum
- C. Pericardium
- D. Trachea
Correct answer: A
Rationale: The correct answer is A: Diaphragm. The diaphragm is a dome-shaped muscular structure that plays a crucial role in respiration by contracting and flattening during inhalation to increase the volume of the thoracic cavity, allowing the lungs to expand and fill with air. It separates the chest cavity (thoracic cavity) from the abdominal cavity. The sternum (B) is a flat bone in the center of the chest, the pericardium (C) is a double-layered sac that surrounds the heart, and the trachea (D) is the windpipe that connects the larynx to the bronchi. Therefore, the diaphragm is the correct answer in this case.
3. Which element is a critical component of DNA and RNA, essential for storing and transmitting genetic information?
- A. Oxygen
- B. Carbon
- C. Nitrogen
- D. Hydrogen
Correct answer: B
Rationale: Carbon's ability to form diverse bonds makes it the backbone of genetic molecules, enabling efficient information storage and transmission
4. Which type of nuclear force is responsible for holding protons and neutrons together in the nucleus of an atom?
- A. Electromagnetism
- B. Gravity
- C. Strong nuclear force
- D. Weak nuclear force
Correct answer: C
Rationale: The incredibly powerful, strong nuclear force overcomes the repulsive electrostatic force between protons, binding them together and stabilizing the nucleus.
5. Which of the following describes a scalar quantity?
- A. Velocity
- B. Acceleration
- C. Force
- D. Speed
Correct answer: d
Rationale: Speed is a scalar quantity as it only indicates how fast an object is moving without any directional information.
6. Which of the following is a characteristic of alkenes?
- A. They have a double bond between carbon atoms.
- B. They are saturated hydrocarbons.
- C. They contain only single bonds.
- D. They are derivatives of ammonia.
Correct answer: A
Rationale: Alkenes have a double bond between carbon atoms, making them unsaturated hydrocarbons. The other choices do not accurately describe alkenes.
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