ATI TEAS 7
physics
1. What happens to the kinetic energy of an object when its velocity is doubled?
- A. Kinetic energy remains the same
- B. Kinetic energy is halved
- C. Kinetic energy doubles
- D. Kinetic energy quadruples
Correct answer: c
Rationale: Kinetic energy is directly proportional to the square of an object's velocity.
2. Hematopoietic tissue is responsible for
- A. Building and repairing bone
- B. Supporting and connecting tissues
- C. Production of blood cells
- D. Contracting for movement
Correct answer: C
Rationale: Hematopoietic tissue is responsible for the production of blood cells. This specialized tissue is found in the bone marrow and is crucial for the continuous generation of red blood cells, white blood cells, and platelets. These blood cells play essential roles in oxygen transport, immune defense, and blood clotting. Building and repairing bone (option A) is primarily the function of osteoblasts and osteoclasts in bone tissue. Supporting and connecting tissues (option B) is the role of connective tissues like tendons and ligaments. Contracting for movement (option D) is the function of muscle tissue. Therefore, the correct answer is C, as hematopoietic tissue specifically focuses on blood cell production.
3. Identify the subject in the following sentence: "The red car parked in the driveway."
- A. driveway
- B. red
- C. car
- D. the
Correct answer: C
Rationale: The subject is the noun or pronoun performing the action or being described in the sentence.
4. What is the name of the condition characterized by inflammation of the small intestine?
- A. Appendicitis
- B. Celiac disease
- C. Gastritis
- D. Crohn's disease
Correct answer: D
Rationale: Rationale: A) Appendicitis is inflammation of the appendix, not the small intestine. B) Celiac disease is an autoimmune disorder triggered by gluten consumption that damages the small intestine, but it is not characterized by inflammation alone. C) Gastritis is inflammation of the stomach lining, not the small intestine. D) Crohn's disease is a chronic inflammatory condition that can affect any part of the gastrointestinal tract, but it commonly involves the small intestine. Symptoms of Crohn's disease include abdominal pain, diarrhea, weight loss, and fatigue.
5. What is the name for the mixture of reactants and products present during a chemical reaction?
- A. Solution
- B. Mixture
- C. Reaction mixture
- D. Precipitate
Correct answer: C
Rationale: This mixture contains both the starting materials (reactants) and the newly formed substances (products) during the reaction process.
6. What is the term for a genetic disorder caused by a mutation in a mitochondrial gene?
- A. Autosomal dominant disorder
- B. Autosomal recessive disorder
- C. Sex-linked disorder
- D. Mitochondrial disorder
Correct answer: D
Rationale: Rationale: A) Autosomal dominant disorder: This type of genetic disorder is caused by a mutation in one copy of an autosomal gene. It is not related to mitochondrial gene mutations. B) Autosomal recessive disorder: This type of genetic disorder is caused by mutations in both copies of an autosomal gene. It is not related to mitochondrial gene mutations. C) Sex-linked disorder: This type of genetic disorder is caused by mutations in genes located on the sex chromosomes (X or Y). It is not related to mitochondrial gene mutations. D) Mitochondrial disorder: Mitochondrial disorders are genetic disorders caused by mutations in genes located in the mitochondria, the energy-producing structures within cells. These disorders are inherited maternally and can affect various organs and systems in the body due to the role of mitochondria in energy production.
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