ATI TEAS 7
Anatomy
1. What is the recommended daily intake of protein for adults to maintain healthy muscle mass?
- A. 0.5 grams per kilogram of body weight
- B. 1 gram per kilogram of body weight
- C. 1.5 grams per kilogram of body weight
- D. 2 grams per kilogram of body weight
Correct answer: C
Rationale: The recommended daily intake of protein for adults to maintain healthy muscle mass is 1.5 grams per kilogram of body weight. Protein is essential for muscle repair and growth, and consuming an adequate amount helps support overall muscle health. 1 gram per kilogram of body weight is generally recommended for sedentary individuals, but for those looking to maintain or build muscle mass, a higher intake of 1.5 grams per kilogram of body weight is advised. Consuming too little protein can lead to muscle loss, while consuming too much may strain the kidneys. Therefore, 1.5 grams per kilogram of body weight strikes a balance for most adults looking to support their muscle health.
2. Which state of matter has particles that are highly organized in a fixed pattern and vibrate in place?
- A. Solid
- B. Liquid
- C. Gas
- D. Plasma
Correct answer: a
Rationale: In solids, particles are tightly packed in an ordered arrangement and vibrate around fixed positions, giving solids a definite shape and volume.
3. Bradycardia refers to a heart rate that is:
- A. Normal (60-100 bpm)
- B. Slightly elevated (100-120 bpm)
- C. Significantly elevated (>120 bpm)
- D. Abnormally slow (<60 bpm)
Correct answer: D
Rationale: The correct answer is D. Bradycardia refers to an abnormally slow heart rate, typically defined as being less than 60 beats per minute (bpm). A heart rate of 60-100 bpm is considered normal, not bradycardia. Choices B and C incorrectly describe elevated heart rates, which are not characteristic of bradycardia. Therefore, option D is the most accurate description of bradycardia as it signifies a heart rate that is slower than normal.
4. Which sentence uses the pronoun "they" correctly?
- A. Her friends told her they liked her new haircut.
- B. Sarah and I, they went to the movies.
- C. They gave the awards to whomever deserved them.
- D. The birds, they were singing in the trees.
Correct answer: A
Rationale: Option A agrees with the closest noun, "friends."
5. Which type of cell division is responsible for sexual reproduction?
- A. Mitosis
- B. Meiosis
- C. Amitosis
- D. Cytokinesis
Correct answer: B
Rationale: Rationale: Meiosis is the type of cell division responsible for sexual reproduction. During meiosis, a single cell undergoes two rounds of division to produce four daughter cells, each with half the number of chromosomes as the parent cell. This reduction in chromosome number is essential for sexual reproduction, as it ensures that when two gametes (sperm and egg) combine during fertilization, the resulting zygote will have the correct number of chromosomes. Mitosis, on the other hand, is a type of cell division that produces two daughter cells with the same number of chromosomes as the parent cell and is involved in growth, repair, and asexual reproduction. Amitosis is a rare form of cell division that does not involve the typical processes of mitosis or meiosis. Cytokinesis is the process of dividing the cytoplasm of a cell after mitosis or meiosis.
6. Scientific findings are constantly evolving. This emphasizes the importance of:
- A. Unquestioning belief in established theories and models.
- B. Dogmatically adhering to the opinions of prominent scientists.
- C. Maintaining an open mind and willingness to consider new evidence.
- D. Prioritizing quick and decisive answers over careful evaluation.
Correct answer: C
Rationale: Science is a dynamic process built on continual questioning and refining of understanding. Openness to new evidence and revision of existing theories is crucial for scientific progress.
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