ATI TEAS 7
TEAS Test 7 science quizlet
1. What property of a substance refers to its ability to undergo a chemical change and form new substances with different properties?
- A. Density
- B. Mass
- C. Reactivity
- D. Volume
Correct answer: C
Rationale: Reactivity is the property of a substance that describes its ability to undergo a chemical change and form new substances with different properties. Density (A), mass (B), and volume (D) are physical properties of a substance and do not directly relate to its ability to undergo chemical changes. Density is mass per unit volume, mass is the amount of matter in a substance, and volume is the space occupied by a substance.
2. Which of the following organs is NOT part of the circulatory system?
- A. Kidneys
- B. Heart
- C. Blood
- D. Blood vessels
Correct answer: A
Rationale: The correct answer is A: Kidneys. The kidneys are not part of the circulatory system. While the circulatory system includes the heart, blood, and blood vessels (arteries, veins, capillaries), the kidneys belong to the urinary system. The kidneys are responsible for filtering waste products from the blood and producing urine. Choice B, the heart, is a vital organ in the circulatory system responsible for pumping blood. Choice C, blood, is a key component of the circulatory system that carries oxygen and nutrients to the body's tissues. Choice D, blood vessels (arteries, veins, capillaries), facilitate the circulation of blood throughout the body, playing a crucial role in the circulatory system.
3. Which of the following statements is correct based on anatomical terms?
- A. The shoulder joint is proximal to the neck.
- B. The elbow joint is superior to the shoulder.
- C. The thoracic vertebrae are superior to the cervical vertebrae.
- D. The thumb is on the lateral aspect of the hand.
Correct answer: D
Rationale: Option D is the correct answer based on anatomical terms. The thumb is indeed located on the lateral aspect of the hand, following anatomical positioning. The terms 'proximal,' 'superior,' and 'inferior' are used in relation to the center of the body or a specific point of reference, while 'lateral' and 'medial' describe positions further away or closer to the midline of the body. Therefore, the thumb being on the lateral side of the hand is an accurate anatomical description. Choices A, B, and C are incorrect because they do not align with anatomical terminology. In anatomical terms, 'proximal' refers to a position closer to the center of the body, 'superior' indicates a position above or higher than another part, and 'inferior' signifies a position below or lower than another part. The shoulder joint is distal to the neck, the elbow is inferior to the shoulder, and the cervical vertebrae are superior to the thoracic vertebrae.
4. What is the main role of the large intestine in digestion?
- A. Absorbing proteins
- B. Absorbing carbohydrates
- C. Absorbing fats
- D. Absorbing water
Correct answer: D
Rationale: The main role of the large intestine in digestion is to absorb water. When food reaches the large intestine, most nutrients have already been absorbed by the small intestine. In the large intestine, water is absorbed from the remaining undigested food, helping to form solid waste (feces). Absorbing proteins, carbohydrates, or fats primarily occurs in the small intestine, not in the large intestine. Therefore, options A, B, and C are incorrect.
5. Which of the following is a function of the skeletal system?
- A. To produce red blood cells
- B. To provide structural support
- C. To transport nutrients
- D. To store fat
Correct answer: B
Rationale: The correct answer is B: To provide structural support. The skeletal system is primarily responsible for supporting the body's structure, protecting internal organs, facilitating movement, and storing minerals. While bones do play a role in producing red blood cells (hematopoiesis) in the bone marrow, the main function related to the question is providing structural support. Choices C and D are incorrect as the skeletal system is not involved in transporting nutrients or storing fat. The main functions of the skeletal system are related to support, protection, movement facilitation, mineral storage, and hematopoiesis.
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