ATI TEAS 7
physics
1. What is the unit of measurement for power?
- A. Joule (J)
- B. Newton (N)
- C. Watt (W)
- D. Kilogram-meter (kg·m)
Correct answer: c
Rationale: Power is measured in watts (W) in the SI unit system.
2. What is the meaning of the phrase "to be on the same page"?
- A. To be physically close
- B. To agree or understand each other
- C. To be sharing the same goal
- D. To be facing the same direction
Correct answer: B
Rationale: The phrase means to be in agreement or share the same understanding.
3. What is the functional group present in amines?
- A. Hydroxyl
- B. Carbonyl
- C. Amine
- D. Nitro
Correct answer: C
Rationale: Amines have the functional group -NHâ‚‚. The other choices are associated with different functional groups.
4. Which type of cell has a nucleus but lacks membrane-bound organelles?
- A. Plant cell
- B. Prokaryotic cell
- C. Animal cell
- D. Fungal cell
Correct answer: B
Rationale: The correct answer is B: Prokaryotic cell. Prokaryotic cells are characterized by having a nucleus, known as the nucleoid, which contains genetic material but lacks a membrane-bound organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus. Plant and animal cells (options A and C) are eukaryotic cells that have a nucleus and membrane-bound organelles. Fungal cells (option D) are also eukaryotic cells with a nucleus and organelles. Understanding the difference between prokaryotic and eukaryotic cells is essential in biology to grasp the diversity of cell structure and function.
5. An object is thrown upwards and reaches a maximum height. Which of the following statements is TRUE about its velocity and acceleration at the peak?
- A. Velocity is zero and acceleration is maximum upwards
- B. Velocity is maximum and acceleration is zero.
- C. Velocity is maximum and acceleration is maximum upwards.
- D. Velocity is zero and acceleration is maximum downwards.
Correct answer: A
Rationale: At the peak, the object momentarily stops moving (zero velocity), but gravity still pulls it upwards, causing a maximum upward acceleration.
6. What is kwashiorkor, a protein deficiency disease, characterized by?
- A. Muscle wasting
- B. Night blindness
- C. Scurvy
- D. Rickets
Correct answer: A
Rationale: Rationale: Kwashiorkor is a type of severe acute malnutrition caused by a deficiency of dietary protein. It is characterized by symptoms such as edema (swelling due to fluid retention), skin lesions, an enlarged liver with fatty infiltrates, and muscle wasting. Muscle wasting is a key feature of kwashiorkor due to the body breaking down muscle tissue to obtain essential amino acids for vital functions. Night blindness (option B) is a symptom of vitamin A deficiency, scurvy (option C) is caused by a lack of vitamin C, and rickets (option D) is a condition resulting from a deficiency of vitamin D, calcium, or phosphate.
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