ATI TEAS 7
Anatomy
1. The term "goiter" refers to a condition characterized by:
- A. Overproduction of cortisol from the adrenal glands
- B. Excessive growth of the thyroid gland
- C. Underproduction of parathyroid hormone (PTH)
- D. Deficiency of growth hormone from the pituitary gland
Correct answer: B
Rationale: The term 'goiter' specifically refers to the abnormal enlargement of the thyroid gland. This can be due to various reasons such as iodine deficiency, Hashimoto's thyroiditis, or Graves' disease. Options A, C, and D are incorrect as they describe conditions related to other glands and hormones in the endocrine system. It is important to differentiate between different endocrine disorders to accurately diagnose and treat patients. Therefore, the correct answer is B, as a goiter is characterized by the excessive growth of the thyroid gland.
2. Acne vulgaris, commonly known as acne, is primarily caused by
- A. Dry skin (Dry skin can worsen acne but isn't the primary cause)
- B. Clogged pores and excess oil production
- C. Bacterial infection alone (Bacteria play a role but not the sole cause)
- D. Vitamin deficiency
Correct answer: B
Rationale: The correct answer is B: 'Clogged pores and excess oil production.' Acne vulgaris, or acne, is primarily caused by a combination of factors including excess sebum (oil) production by the skin's sebaceous glands and the accumulation of dead skin cells, leading to clogged pores. This environment provides a breeding ground for acne-causing bacteria, contributing to inflammation and the formation of pimples. While factors like dry skin, bacterial infections, and even vitamin deficiencies can exacerbate acne, they are not the primary cause. Thus, B is the most accurate option for the primary cause of acne.
3. Which type of orbital can hold a maximum of 10 electrons?
- A. s orbital
- B. p orbital
- C. d orbital
- D. f orbital
Correct answer: D
Rationale: Each f orbital can hold up to 2 electrons, and there are 5 f orbitals, totaling a maximum of 10 electrons.
4. Which of the following phrases is grammatically correct and uses parallel structure?
- A. He enjoys reading, writing, and to play sports.
- B. Walking, swimming, and cooking are his favorite hobbies.
- C. He likes to read, write, and playing sports.
- D. Singing, dancing, and to travel are his passions.
Correct answer: B
Rationale: Option B uses the gerund (-ing) form for all three hobbies, achieving parallel structure.
5. What is the momentum of a car with a mass of 1500 kg moving at a speed of 20 m/s?
- A. 30,000 kg m/s
- B. 1500 kg m/s
- C. 20 kg m/s
- D. Momentum cannot be determined without knowing the direction of motion.
Correct answer: A
Rationale: Momentum is defined as the product of mass and velocity. Momentum = mass x velocity = 1500 kg x 20 m/s = 30,000 kg m/s.
6. Define the term "velocity" in relation to motion.
- A. Speed in a specific direction
- B. Distance traveled in a given time
- C. Rate of change of position
- D. Acceleration due to gravity
Correct answer:
Rationale: Velocity is the rate of change of position concerning direction, unlike speed which only refers to distance traveled per unit time.
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