ATI TEAS 7
ATI TEAS Science Questions
1. What do ligaments connect?
- A. Muscle to muscle
- B. Bone to bone
- C. Bone to muscle
- D. Muscle to tendon
Correct answer: B
Rationale: Ligaments are fibrous connective tissues that connect bone to bone, providing stability and support to joints. They help prevent excessive movement in the joints and maintain proper alignment between bones during movement. Ligaments are not directly involved in connecting muscle to muscle, bone to muscle, or muscle to tendon. Choice A is incorrect because ligaments do not connect muscle to muscle. Choice C is incorrect as ligaments do not connect bone to muscle. Choice D is incorrect as ligaments do not connect muscle to tendon.
2. What is the term for the involuntary muscle contractions that move food through the digestive tract?
- A. Segmentation
- B. Peristalsis
- C. Chyme
- D. Emulsification
Correct answer: B
Rationale: Peristalsis is the correct term for the involuntary muscle contractions that move food through the digestive tract. These contractions help push food along the digestive system, facilitating digestion and absorption of nutrients. Segmentation, on the other hand, refers to the mixing and breaking down of food in the intestines, not the movement of food. Chyme is the semi-fluid mass of partially digested food in the stomach and small intestine, not the muscle contractions. Emulsification is the process of breaking down fat globules into smaller droplets to aid in digestion, not the movement of food through the digestive tract. Therefore, peristalsis is the most appropriate term for this function.
3. When a person throws a ball horizontally, what force changes the direction of the ball's motion?
- A. The force of throwing
- B. Gravitational force
- C. Air resistance
- D. Normal force from the ground
Correct answer: B
Rationale: When a person throws a ball horizontally, the initial force that propels the ball forward is the force of throwing (A). However, the force that changes the direction of the ball's motion is the gravitational force (B). Gravitational force acts vertically downward, causing the ball to follow a curved path. Air resistance (C) and normal force from the ground (D) do not directly change the direction of the ball's motion in this scenario.
4. What is the scientific term for a broken bone?
- A. Osteoporosis
- B. Fracture
- C. Sprain
- D. Dislocation
Correct answer: B
Rationale: The scientific term for a broken bone is a fracture. Osteoporosis is a condition characterized by weak and brittle bones, not a broken bone. A sprain involves an injury to a ligament, not a bone. Dislocation occurs when the ends of bones are forced out of their normal positions at a joint, which is different from a fracture.
5. What is the name of the curved bone in the back that provides support and attachment for muscles?
- A. Sternum
- B. Scapula
- C. Clavicle
- D. Vertebral column
Correct answer: D
Rationale: The vertebral column, also known as the spine, is the curved bone in the back that provides support and attachment for muscles. It consists of individual vertebrae stacked on top of each other, forming a flexible and protective structure for the spinal cord. The sternum, scapula, and clavicle are bones in the chest and shoulder regions, not in the back where the vertebral column is located. Therefore, the correct answer is the vertebral column (Option D). Options A, B, and C are incorrect as they are bones situated in the chest and shoulder areas, not in the back where the vertebral column is found.
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