ATI TEAS 7
Chemistry
1. What is the common name for the organic compound CH₃OH?
- A. Methane
- B. Ethanol
- C. Methanol
- D. Butanol
Correct answer: C
Rationale: CH₃OH is commonly known as methanol. The other choices represent different organic compounds.
2. Which part of the brain is responsible for regulating body temperature, hunger, and thirst, and is considered a key player in the endocrine system?
- A. Amygdala
- B. Hippocampus
- C. Hypothalamus
- D. Thalamus
Correct answer: c
Rationale: The correct answer is C: Hypothalamus. The hypothalamus is a small region in the brain that plays a crucial role in maintaining homeostasis by regulating body temperature, hunger, and thirst. It also serves as a key player in the endocrine system by controlling the release of hormones from the pituitary gland. The amygdala is responsible for processing emotions and memory, the hippocampus is involved in memory formation and retrieval, and the thalamus acts as a relay station for sensory information. Therefore, the hypothalamus is the most appropriate choice for the functions described in the question.
3. The author's tone towards UBI can be described as
- A. Strongly supportive, advocating for its immediate implementation without reservations.
- B. Strongly critical, highlighting only the potential drawbacks and dismissing its benefits.
- C. Neutral and objective, presenting both sides of the argument without taking a stance.
- D. Cautiously optimistic, acknowledging both the potential and challenges while calling for further discussion.
Correct answer: D
Rationale: The passage acknowledges both positive and negative aspects of UBI, suggesting a cautious and balanced perspective, aligning with D.
4. When water boils, it changes from a liquid to a gas. This is an example of a:
- A. Chemical reaction
- B. Physical change
- C. Nuclear reaction
- D. Biological process
Correct answer: B
Rationale: Physical change - Boiling water involves a change in state, not the chemical composition of the molecules. Chemical reactions involve breaking and forming new bonds, which is not the case here.
5. Which of the following is a characteristic of alkenes?
- A. They have a double bond between carbon atoms.
- B. They are saturated hydrocarbons.
- C. They contain only single bonds.
- D. They are derivatives of ammonia.
Correct answer: A
Rationale: Alkenes have a double bond between carbon atoms, making them unsaturated hydrocarbons. The other choices do not accurately describe alkenes.
6. Which lobe of the brain is primarily responsible for processing visual information?
- A. Frontal lobe
- B. Parietal lobe
- C. Temporal lobe
- D. Occipital lobe
Correct answer: d
Rationale: The correct answer is D: Occipital lobe. The occipital lobe is located at the back of the brain and is primarily responsible for processing visual information. This area contains the primary visual cortex, which interprets signals from the eyes and processes visual stimuli such as color, shape, and motion. The frontal lobe is more involved in higher-level thinking and decision-making processes, the parietal lobe is responsible for processing sensory information and spatial awareness, and the temporal lobe is involved in memory and auditory processing. Therefore, the occipital lobe is the main region dedicated to visual processing in the brain.
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