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 of the following is NOT a part of a plant cell?
- A. Cell wall
- B. Plasma membrane
- C. Vacuole
- D. Mitochondria
Correct answer: D
Rationale: Rationale: A) Cell wall: This is a structure found in plant cells that provides support and protection. B) Plasma membrane: Also known as the cell membrane, it surrounds the cell and regulates the passage of substances in and out of the cell. C) Vacuole: This is a storage organelle found in plant cells that stores water, nutrients, and waste products. D) Mitochondria: Mitochondria are membrane-bound organelles found in both plant and animal cells. They are responsible for producing energy in the form of ATP through cellular respiration. Therefore, the correct answer is D) Mitochondria, as it is a part of a plant cell.
3. What type of energy does a stretched rubber band possess?
- A. Kinetic energy
- B. Potential energy
- C. Thermal energy
- D. Mechanical energy
Correct answer:
Rationale: When a rubber band is stretched, it stores potential energy due to its position or state.
4. What is the name of the white blood cells that attack foreign invaders?
- A. Phagocytes
- B. Lymphocytes
- C. Platelets
- D. Red blood cells
Correct answer: A
Rationale: Rationale: Phagocytes are a type of white blood cell that plays a crucial role in the immune system by engulfing and digesting foreign invaders such as bacteria, viruses, and other harmful substances. They are part of the body's innate immune response and are essential for protecting the body against infections. Lymphocytes, on the other hand, are another type of white blood cell involved in the adaptive immune response, producing antibodies and coordinating immune responses. Platelets are cell fragments involved in blood clotting, while red blood cells are responsible for carrying oxygen to tissues.
5. A concave mirror can be used to:
- A. Focus light to a single point
- B. Only create virtual images
- C. Always magnify objects
- D. Scatter light
Correct answer: A
Rationale: A concave mirror can be used to focus light to a single point because of its reflective surface that curves inward. When light rays parallel to the mirror's principal axis strike the mirror, they converge at a focal point, creating a real image. This property makes concave mirrors useful in applications like reflecting telescopes and headlights, where focusing light to a point is necessary for proper functioning. Virtual images are also created by concave mirrors, but the primary function is to focus light rather than create virtual images. Magnification of objects and scattering of light are not inherent properties of concave mirrors.
6. In the phrase "a drop in the bucket," "bucket" represents:
- A. A literal container
- B. A large quantity
- C. A specific goal
- D. An obstacle
Correct answer: B
Rationale: The phrase signifies that something is insignificant compared to a much larger amount.
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