ATI TEAS 7
Biology
1. What is the recommended daily fiber intake for adults?
- A. 10 grams
- B. 25 grams
- C. 35 grams
- D. 50 grams
Correct answer: B
Rationale: Rationale: The recommended daily fiber intake for adults is around 25 grams for women and 38 grams for men. Fiber is essential for maintaining a healthy digestive system, preventing constipation, and reducing the risk of chronic diseases such as heart disease and diabetes. Consuming an adequate amount of fiber can also help with weight management and promote overall well-being. Therefore, option B is the most appropriate answer based on the recommended daily intake guidelines for adults.
2. Katherine is a young Unit Manager of the Pediatric Ward. Most of her staff nurses are senior
- A. Identify the source of the conflict and understand the points of friction
- B. Disregard what she feels and continue to work independently
- C. Seek help from the Director of Nursing
- D. Quit her job and look for another employment.
Correct answer: C
Rationale: The correct answer is C: Seek help from the Director of Nursing. As a young Unit Manager managing a team of senior staff nurses, Katherine may face challenges in leading and gaining the respect of her team due to the age and experience gap. Seeking help from the Director of Nursing can provide her with guidance, mentorship, and support in navigating these challenges. It is important for Katherine to communicate openly about any conflicts or issues she may be facing in order to address them effectively and maintain a positive work environment. Quitting her job (option D) should be considered as a last resort after exhausting all other possible solutions.
3. What happens when an atom loses an electron?
- A. It becomes a molecule.
- B. It gains a positive charge and becomes an ion.
- C. It changes its element identity.
- D. Nothing happens, it remains neutral.
Correct answer: B
Rationale: It gains a positive charge and becomes an ion. Losing an electron disrupts the charge balance, leaving the atom with more protons than electrons and a positive charge.
4. The three main types of muscle tissue in the human body are:
- A. Smooth, cardiac, and voluntary skeletal
- B. Smooth, skeletal, and involuntary cardiac
- C. Voluntary smooth, cardiac, and skeletal
- D. Striated, non-striated, and epithelial
Correct answer: A
Rationale: The correct answer is A: Smooth, cardiac, and voluntary skeletal. Smooth muscle is found in the walls of internal organs and blood vessels, cardiac muscle makes up the heart, and voluntary skeletal muscle is attached to the bones and responsible for movement. Choice B is incorrect because cardiac muscle is involuntary, not voluntary. Choice C is incorrect because smooth muscle and cardiac muscle are involuntary, not voluntary. Choice D is incorrect because 'striated' and 'non-striated' refer to the appearance of muscle fibers, not the main types of muscle tissue in the body.
5. The moon-shaped white structures at the base of fingernails are called:
- A. Lunulae
- B. Cuticle
- C. Hyponychium
- D. Matrix
Correct answer: A
Rationale: The correct answer is A, "Lunulae." The moon-shaped white structures at the base of fingernails are called lunulae. These are most visible on the thumb and are the visible part of the nail matrix. The lunulae appear white because the nail matrix underneath is not visible due to its thickness. Cuticle (B) refers to the thin layer of skin at the base of the nail, hyponychium (C) is the skin located under the free edge of the nail, and matrix (D) is the tissue at the base of the nail where growth occurs. Therefore, the correct term for the moon-shaped white structures is lunulae.
6. 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.
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