ATI TEAS 7
Biology
1. What is the process of cells dividing to produce new cells called?
- A. Cell division
- B. Cell differentiation
- C. Cell growth
- D. Cell regeneration
Correct answer: A
Rationale: Rationale: A) Cell division is the process by which a parent cell divides into two or more daughter cells, allowing for growth, repair, and reproduction in living organisms. This process ensures that genetic material is accurately passed on to the new cells. B) Cell differentiation refers to the process by which cells become specialized to perform specific functions in an organism. While cell division is essential for cell differentiation, they are distinct processes. C) Cell growth is the increase in size or mass of a cell, which can occur before or after cell division. While cell growth is a component of the cell division process, it is not the primary process of cells dividing to produce new cells. D) Cell regeneration is the process by which damaged or lost cells are replaced by new cells. While cell division is involved in cell regeneration, it specifically refers to the overall process of cells dividing to produce new cells. Therefore, the most appropriate answer to the ques
2. Cystitis is an inflammation of the:
- A. Kidneys
- B. Bladder
- C. Ureters
- D. Urethra
Correct answer: B
Rationale: The correct answer is B: Bladder. Cystitis is an inflammation of the bladder, typically caused by a bacterial infection. Symptoms include frequent and urgent urination, along with pain or discomfort in the pelvic area. The kidneys (option A) are responsible for filtering blood and producing urine, but they are not the site of inflammation in cystitis. The ureters (option C) are the tubes that connect the kidneys to the bladder and are not typically affected by cystitis. The urethra (option D) is the tube that carries urine from the bladder out of the body, but it is not where the inflammation occurs in cystitis.
3. Which type of waves do not require a medium for propagation?
- A. Transverse waves
- B. Longitudinal waves
- C. Electromagnetic waves
- D. Surface waves
Correct answer: c
Rationale: Electromagnetic waves (such as light or radio waves) can travel through a vacuum as they do not require a medium.
4. A collection of organs working together to perform a specific physiological function is known as a(n):
- A. Tissue
- B. Organ system
- C. Organelle
- D. Organ
Correct answer: B
Rationale: The correct answer is B: Organ system. An organ system is a group of organs that work together to carry out a specific function in the body. While an organ is made up of different types of tissues that work together, an organ system involves multiple organs collaborating to perform more complex tasks. Tissues (option A) are groups of similar cells working together, organelles (option C) are structures within cells that have specific functions, and organs (option D) are made up of tissues and perform specific functions, but the term 'organ system' specifically refers to a higher level of organization involving multiple organs working in coordination.
5. Which of the following is a strong base commonly used in cleaning products?
- A. Sodium hydroxide (NaOH)
- B. Ammonium hydroxide (NHâ‚„OH)
- C. Calcium hydroxide (Ca(OH)â‚‚)
- D. Potassium hydroxide (KOH)
Correct answer: A
Rationale: Sodium hydroxide is a strong base commonly used in cleaning products. The other choices are also bases but are not as strong as sodium hydroxide.
6. 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.
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