ATI TEAS 7
Anatomy
1. The main function of the large intestine is:
- A. Digesting and absorbing nutrients
- B. Storing and mixing food
- C. Breaking down carbohydrates
- D. Absorbing water and electrolytes
Correct answer: D
Rationale: The correct answer is D: Absorbing water and electrolytes. The main function of the large intestine is to absorb any remaining water and electrolytes from the indigestible food matter that passes through it. This absorption process helps in forming solid waste (feces) and regulating the body's fluid balance. It is not primarily responsible for digesting and absorbing nutrients like the small intestine, storing and mixing food like the stomach, or breaking down carbohydrates. Understanding the role of the large intestine in water and electrolyte absorption is crucial for maintaining proper digestion and overall health.
2. Describe the mechanism by which genes are transmitted from parents to offspring.
- A. Blending of parental genes, resulting in an average of their traits.
- B. Random assortment of alleles during meiosis, leading to unique combinations in each offspring.
- C. Inheritance of solely dominant alleles, masking the influence of recessive ones.
- D. Direct transfer of both parental genomes, creating identical copies of the parents.
Correct answer: B
Rationale: Rationale: A) Blending of parental genes, resulting in an average of their traits, is not an accurate description of how genes are transmitted. In reality, genes are not blended but rather passed down in discrete units. B) Random assortment of alleles during meiosis is the correct mechanism by which genes are transmitted from parents to offspring. During meiosis, homologous chromosomes separate, and alleles are randomly distributed to the gametes, leading to unique combinations of genes in each offspring. C) Inheritance of solely dominant alleles, masking the influence of recessive ones, is not an accurate representation of gene transmission. Offspring inherit alleles from both parents, and the expression of dominant or recessive traits depends on the specific combination of alleles. D) Direct transfer of both parental genomes, creating identical copies of the parents, is not how genes are transmitted. Offspring inherit a unique combination
3. A scientist observes a new species of bird with uniquely shaped wings. They hypothesize that the wing shape allows for superior gliding ability. Which observation would most strongly support this hypothesis?
- A. The bird is found in mountainous regions.
- B. The bird has feathers with low friction.
- C. The bird can fly long distances without flapping.
- D. The bird's wing muscles are stronger than other birds.
Correct answer: C
Rationale: Direct observation of gliding ability directly tests the hypothesis about the wing shape's function. Other observations might be relevant but provide less direct evidence.
4. As a manager, she focuses her energy on both the quality of services rendered to the patients
- A. Country club management
- B. Organization man management
- C. Team management
- D. Authority-obedience management
Correct answer: B
Rationale: The correct answer is 'B: Organization man management.' This type of management focuses on maintaining the efficiency and structure of an organization. In this scenario, the manager's emphasis on the quality of services aligns with the principles of organization man management, which prioritizes the coordination of tasks and resources to achieve optimal results within the organization. This contrasts with 'Country club management,' which emphasizes employee satisfaction over task accomplishment; 'Team management,' which focuses on collaboration and teamwork; and 'Authority-obedience management,' which centers on strict hierarchical control. Therefore, the most appropriate choice is 'B: Organization man management.'
5. Which division of the autonomic nervous system is responsible for the "rest and digest" response, promoting relaxation and conservation of energy?
- A. Sympathetic nervous system
- B. Parasympathetic nervous system
- C. Somatic nervous system
- D. Central nervous system
Correct answer: b
Rationale: The correct answer is B, the parasympathetic nervous system. This division of the autonomic nervous system is responsible for the "rest and digest" response, promoting relaxation and conservation of energy. When activated, it slows the heart rate, increases digestion, and helps the body rest and recover. The sympathetic nervous system, on the other hand, is responsible for the "fight or flight" response, preparing the body for action. The somatic nervous system controls voluntary movements, and the central nervous system consists of the brain and spinal cord, coordinating all nervous system functions.
6. What is the measure of the total amount of space occupied by an object?
- A. Mass
- B. Density
- C. Weight
- D. Volume
Correct answer: d
Rationale: Volume is the measure of the total amount of space occupied by an object and is typically measured in cubic units such as cubic meters or liters.
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