ATI TEAS 7
Anatomy
1. Which structure helps regulate body temperature by constricting or dilating in response to temperature changes?
- A. Sebaceous glands
- B. Hair follicles
- C. Sweat glands
- D. Langerhans cells
Correct answer: C
Rationale: The correct answer is C: Sweat glands. Sweat glands play a crucial role in regulating body temperature by producing sweat that evaporates from the skin surface, cooling the body when it's hot. Sweat glands can constrict to reduce sweating in cooler temperatures and dilate to increase sweating when the body needs to cool down. Sebaceous glands are responsible for producing oil to lubricate the skin and hair follicles help in hair growth. Langerhans cells are immune cells in the skin. Therefore, sweat glands are the structure specifically involved in regulating body temperature through constriction and dilation in response to temperature changes.
2. Julius orients his staff on the patterns of reporting relationship throughout the organization.
- A. Span of control
- B. Hierarchy
- C. Esprit d’ corps
- D. Unity of direction
Correct answer: B
Rationale: The correct answer is B: Hierarchy. Hierarchy refers to the structure of authority and responsibility within an organization, including the levels of management and the reporting relationships. In this scenario, Julius is orienting his staff on the patterns of reporting relationships, which is a key aspect of hierarchy. Span of control refers to the number of employees a manager can effectively supervise, esprit de corps pertains to team spirit and unity among employees, and unity of direction relates to ensuring all activities are focused on the same objectives. Therefore, the most appropriate term for Julius's action is hierarchy.
3. What is the term for the process of breaking a large molecule into smaller fragments by applying heat?
- A. Polymerization
- B. Hydrogenation
- C. Isomerization
- D. Pyrolysis
Correct answer: D
Rationale: Pyrolysis is the process of breaking down large molecules into smaller fragments by applying heat. The other choices involve different chemical processes.
4. What type of clause is "as the sun dipped below the horizon" in the sentence "We sat on the beach, as the sun dipped below the horizon"?
- A. Independent clause
- B. Subordinate clause
- C. Appositive clause
- D. Noun clause
Correct answer: B
Rationale: The clause "as the sun dipped below the horizon" provides additional information about the main clause "We sat on the beach," making it a subordinate clause.
5. Acknowledge the organ devoted to blood filtration.
- A. Liver
- B. Kidneys
- C. Spleen
- D. Pancreas
Correct answer: B
Rationale: The kidneys are the primary organs responsible for filtering blood and removing waste products, excess fluids, and toxins. They play a crucial role in maintaining the body's internal environment and regulating blood pressure.
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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