ATI TEAS 7
Biology
1. What is the function of the pituitary gland?
- A. Produces hormones that regulate growth and metabolism
- B. Filters blood and removes waste products
- C. Stores and releases bile
- D. Produces red blood cells
Correct answer: A
Rationale: The pituitary gland is often referred to as the "master gland" because it controls the activity of many other endocrine glands in the body. It is located at the base of the brain and produces a variety of hormones that regulate various bodily functions, including growth, metabolism, reproduction, and blood pressure.
2. She knows that performance appraisal consists of all the following activities EXCEPT:
- A. Setting specific standards and activities for individual performance.
- B. Using agency standards as a guide.
- C. Determine areas of strength and weaknesses
- D. Focusing activity on the correction of identified behavior.
Correct answer: D
Rationale: The correct answer is D: 'Focusing activity on the correction of identified behavior.' Performance appraisal is a process that involves setting specific standards and activities for individual performance, using agency standards as a guide, and determining areas of strengths and weaknesses. While performance appraisal may identify areas for improvement, its primary focus is not solely on correcting behavior. Instead, it is a holistic evaluation of an individual's performance in various aspects. Therefore, option D is the exception among the activities associated with performance appraisal.
3. A condition characterized by an overactive thyroid gland and excessive production of thyroid hormones is called:
- A. Diabetes mellitus
- B. Hyperthyroidism
- C. Hypothyroidism
- D. Cushing's syndrome
Correct answer: B
Rationale: The correct answer is B: Hyperthyroidism. Hyperthyroidism is a condition where the thyroid gland becomes overactive and produces an excess of thyroid hormones. This can lead to symptoms such as weight loss, rapid heart rate, and anxiety. Diabetes mellitus (A) is a condition characterized by high blood sugar levels. Hypothyroidism (C) is the opposite of hyperthyroidism, where the thyroid gland is underactive. Cushing's syndrome (D) is a disorder caused by prolonged exposure to high levels of the hormone cortisol. Therefore, in this case, the correct answer is B as it specifically relates to an overactive thyroid gland.
4. Which term describes the resistance of a substance to being hammered into different shapes?
- A. Viscosity
- B. Ductility
- C. Malleability
- D. Conductivity
Correct answer: c
Rationale: Malleability refers to the resistance of a substance to being hammered or pressed into different shapes without breaking.
5. What does the term "terminal velocity" refer to in physics?
- A. Maximum velocity reached by an object in free fall
- B. Velocity when the object is at rest
- C. nstantaneous velocity of an object
- D. Velocity only reached by heavy objects
Correct answer: a
Rationale: Terminal velocity is the constant velocity achieved by an object falling through the atmosphere when the force of air resistance equals the force of gravity.
6. A bookshelf has triangular shelves with a base of 40cm and a height of 30cm. The depth of the shelf is 25cm. What is the volume of each shelf?
- A. 3000 cu cm
- B. 3750 cu cm
- C. 5000 cu cm
- D. 7500 cu cm
Correct answer: B
Rationale: Calculate the area of the triangle (1/2 * base * height) and multiply by the depth.
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