ATI TEAS 7
Anatomy
1. The spleen, an organ associated with the lymphatic system, plays a crucial role in:
- A. Regulating blood sugar levels
- B. Filtering blood and destroying old red blood cells
- C. Producing digestive enzymes
- D. Secreting hormones
Correct answer: B
Rationale: The correct answer is B: 'Filtering blood and destroying old red blood cells.' The spleen is part of the lymphatic system and acts as a blood filter, removing old or damaged red blood cells and helping to fight infections. It does not play a role in regulating blood sugar levels (A), producing digestive enzymes (C), or secreting hormones (D). Understanding the function of the spleen in filtering blood and removing old red blood cells is crucial for grasping its role in maintaining overall health and immunity.
2. What is the main concern the author raises about AI?
- A. Its limitations in achieving true intelligence and emulating human consciousness.
- B. Its potential for misuse in warfare and autonomous weapons systems.
- C. Its detrimental impact on the environment and resource consumption.
- D. Its ethical implications related to bias, privacy, and job displacement.
Correct answer: D
Rationale: The passage explicitly mentions concerns about bias, privacy, and job displacement, making D the main concern highlighted.
3. How is power related to energy?
- A. Power is the same as energy
- B. Energy is the rate at which work is done
- C. Power is the amount of stored energy
- D. Energy is the rate at which power is transferred
Correct answer: b
Rationale: Energy is related to the amount of work done or the capacity to do work, while power measures the rate at which work is done or energy is transferred.
4. Discern the INCORRECT function of the liver.
- A. Bile production, aiding digestion.
- B. Blood protein synthesis, such as albumin.
- C. Glucose storage for energy regulation.
- D. Filtration of waste products from the blood.
Correct answer: D
Rationale: Rationale: A) Correct - The liver produces bile, which aids in the digestion and absorption of fats in the small intestine. B) Correct - The liver is responsible for synthesizing blood proteins, including albumin, which helps maintain osmotic pressure in the blood. C) Correct - The liver stores glucose in the form of glycogen and helps regulate blood sugar levels by releasing glucose when needed. D) Incorrect - The liver does not filter waste products from the blood. Instead, the kidneys are responsible for filtering waste products from the blood and excreting them in the form of urine.
5. In the reaction 2H2 + O2 → 2H2O, how many moles of oxygen are required to react completely with 4 moles of hydrogen?
- A. 1
- B. 2
- C. 3
- D. 4
Correct answer: 2
Rationale: The balanced equation indicates a 1:1 ratio between H2 and O2, so 4 moles of H2 require 4 moles of O2, and 2 moles of H2 require 2 moles of O2.
6. The formula for calculating ideal body weight (IBW) for men is IBW (kg) = 50 + 2.3 * (height in cm - 150). If a man is 180cm tall, what is his ideal body weight?
- A. 68kg
- B. 71kg
- C. 74kg
- D. 77kg
Correct answer: C
Rationale: Substitute the man's height (180cm) into the formula: IBW = 50 + 2.3 * (180 - 150) = 74kg.
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