ATI TEAS 7
physics
1. What is the law of conservation of energy?
- A. Energy cannot be created, only destroyed
- B. Energy can be created but not destroyed
- C. Energy can neither be created nor destroyed, only transformed from one form to another
- D. Energy is always created in any process
Correct answer:
Rationale: According to the law of conservation of energy, the total energy in a closed system remains constant; it can change forms but cannot be created or destroyed.
2. Which of the following statements is NOT true about performance appraisal?
- A. Informing the staff about the specific impressions of their work help improve their
- B. A verbal appraisal is an acceptable substitute for a written report
- C. Patients are the best source of information regarding personnel appraisal.
- D. The outcome of performance appraisal rests primarily with the staff.
Correct answer: A
Rationale: Option A is the correct answer because informing staff about specific impressions of their work can be subjective and may not always lead to improvement. Performance appraisal should be based on objective criteria and feedback. Verbal appraisals can lack documentation and clarity, making a written report a more reliable form of evaluation. Patients may provide valuable input on staff interactions, but they may not have the full context to assess job performance comprehensively. The outcome of performance appraisal should involve both the staff and the appraiser, as it is a collaborative process to identify strengths and areas for development.
3. 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.
4. The human immunodeficiency virus (HIV) targets and destroys which type of immune cell?
- A. Neutrophils
- B. Macrophages
- C. Helper T cells
- D. Memory B cells
Correct answer: A
Rationale: The correct answer is C: Helper T cells. HIV targets and destroys Helper T cells, which are a crucial component of the immune system responsible for coordinating the immune response. Neutrophils and macrophages are also important immune cells, but they are not the primary target of HIV. Memory B cells are responsible for mounting a rapid response upon re-exposure to a pathogen but are not the main target of HIV. Thus, HIV primarily affects Helper T cells, leading to the weakening of the immune system and the development of acquired immunodeficiency syndrome (AIDS).
5. Which element has the lowest electronegativity value?
- A. Oxygen
- B. Fluorine
- C. Helium
- D. Chlorine
Correct answer: C
Rationale: Electronegativity is the tendency of an atom to attract electrons towards itself in a bond. Noble gases like helium have very low electronegativity because their outer electron shell is already full and stable.
6. The beautiful flowers brightened the room. Which word is the adverb form of the adjective "beautiful"?
- A. beautiful
- B. beautifully
- C. beautification
- D. beautify
Correct answer: B
Rationale: Adverbs are formed from adjectives by adding "-ly" (usually).
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