ATI TEAS 7
Physics
1. A rocket blasts off from Earth. What is the main force propelling the rocket upwards?
- A. Gravitational force
 - B. Air resistance
 - C. Thrust from the rocket engine
 - D. Normal force from the launchpad
 
Correct answer: C
Rationale: Thrust from the rocket engine. This force is produced by the action-reaction principle and pushes the rocket upwards against the exhaust gases.
2. Neurons, the functional units of the nervous system, belong to which tissue type?
- A. Epithelial tissue
 - B. Connective tissue
 - C. Muscle tissue
 - D. Nervous tissue
 
Correct answer: D
Rationale: The correct answer is D: Nervous tissue. Neurons are specialized cells that transmit nerve impulses and are the primary components of the nervous system. Nervous tissue is made up of neurons and supporting cells called neuroglia. Neurons are responsible for processing and transmitting information throughout the body, making them a crucial part of the nervous system. Epithelial tissue (A) is primarily involved in covering and lining surfaces, connective tissue (B) supports and connects other tissues, and muscle tissue (C) is responsible for movement. Therefore, neurons belong to nervous tissue, which is specialized for communication and coordination within the body.
3. She came across a theory which states that the leadership style is effective dependent on the
- A. Democratic
 - B. Authoritarian
 - C. Laissez faire
 - D. Bureaucratic
 
Correct answer: A
Rationale: The correct answer is A: "Democratic" because democratic leadership style is effective dependent on the participation and input of team members. In a democratic leadership style, decisions are made through discussion and consensus building, which can lead to higher levels of job satisfaction and productivity. Authoritarian leadership style emphasizes control and obedience, while laissez-faire leadership style lacks guidance and structure, and bureaucratic leadership style focuses on rules and regulations. Therefore, democratic leadership style is considered effective as it values the opinions and contributions of team members, leading to better outcomes and team cohesion.
4. The formula for calculating heart rate is HR = (220 - age) * 0.65. If a patient's heart rate is 136.5, what is their age?
- A. 30
 - B. 40
 - C. 50
 - D. 60
 
Correct answer: B
Rationale: Rearrange the formula to solve for age: age = 220 - (HR / 0.65). Substitute the heart rate (136.5) to get 40 years old.
5. What is the significance of cell division?
- A. Growth and repair of tissues
 - B. Sexual reproduction
 - C. Genetic diversity
 - D. All of the above
 
Correct answer: D
Rationale: Cell division is a fundamental process that is essential for the growth, repair, and reproduction of all living organisms. It plays a crucial role in ensuring that organisms maintain their proper size and shape, and it allows for the replacement of damaged or worn-out cells. Cell division is also essential for sexual reproduction, as it is the process by which haploid gametes (sex cells) are produced. These gametes fuse during fertilization to form a diploid zygote, which ultimately gives rise to a new organism.
6. Which statement accurately describes the relationship between electron configuration and the periodic table?
- A. Elements within the same period have similar electron configurations.
 - B. Elements within the same group have similar electron configurations in their outermost shell.
 - C. Electron configuration has no influence on an element's position on the periodic table.
 - D. The number of electron shells an element has determines its group on the periodic table.
 
Correct answer: B
Rationale: Elements within the same group have similar electron configurations in their outermost shell. This explains why elements in the same group often share similar chemical properties.
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