ATI TEAS 7
Biology
1. What is the function of the pituitary gland?
- A. Produces hormones that regulate growth and metabolism
- B. Filters blood and removes waste products
- C. Stores and releases bile
- D. Produces red blood cells
Correct answer: A
Rationale: The pituitary gland is often referred to as the "master gland" because it controls the activity of many other endocrine glands in the body. It is located at the base of the brain and produces a variety of hormones that regulate various bodily functions, including growth, metabolism, reproduction, and blood pressure.
2. Biodiversity is important for healthy ecosystems because it:
- A. Increases competition for resources
- B. Provides stability and resilience to disturbances
- C. Slows down nutrient cycling
- D. Reduces the number of decomposers
Correct answer: B
Rationale: Rationale: Biodiversity refers to the variety of living organisms in a particular area. A diverse ecosystem is better able to withstand and recover from disturbances such as natural disasters, climate change, or human impacts. This is because different species play unique roles in the ecosystem, and a higher level of biodiversity means there are more species available to fulfill these roles. For example, if one species is negatively affected by a disturbance, other species may be able to compensate for its loss, maintaining the overall functioning of the ecosystem. Therefore, biodiversity provides stability and resilience to disturbances, making ecosystems healthier and more sustainable.
3. The human body's command center, integrating sensory information and coordinating movement and vital functions, is the:
- A. Lungs
- B. Brain
- C. Kidneys
- D. Stomach
Correct answer: B
Rationale: The correct answer is B: Brain. The brain serves as the command center of the human body, receiving sensory information from various parts of the body and coordinating responses. It is responsible for controlling movement, regulating vital functions such as breathing and heart rate, and processing thoughts and emotions. The lungs (A), kidneys (C), and stomach (D) each have specific functions within the body, but they do not serve as the central command center like the brain does. Therefore, the brain is the correct answer to this question.
4. Aubrey thinks about primary nursing as a system to deliver care. Which of the following
- A. Collaborates with the physician
- B. Provides care to a group of patients together with a group of nurses
- C. Provides care for 5-6 patients during their hospital stay.
- D. Performs comprehensive initial assessment
Correct answer: D
Rationale: Primary nursing is a care delivery system where one nurse is responsible for the total nursing care needs of a group of patients throughout their hospital stay. This includes performing comprehensive initial assessments, developing care plans, coordinating with other healthcare team members, and providing direct patient care. Option D is the correct answer as it aligns with the core principles of primary nursing, emphasizing the nurse's role in conducting thorough assessments to ensure individualized and holistic care for each patient in their caseload. Options A, B, and C do not accurately reflect the key components of primary nursing, making them incorrect choices.
5. Which of the following represents a form of potential energy?
- A. A moving car
- B. A spinning top
- C. A raised hammer
- D. A rolling ball
Correct answer: c
Rationale: A raised hammer possesses potential energy due to its elevated position relative to the ground.
6. You test a new fertilizer on two groups of plants, one with fertilizer and one without. Both groups grow at the same rate. What is the most likely explanation?
- A. The fertilizer has no effect on plant growth.
- B. The control group accidentally received some fertilizer too.
- C. Both groups received other nutrients from the soil, negating the fertilizer's effect.
- D. The test period was too short to observe any difference.
Correct answer: C
Rationale: A true control group should be identical to the test group except for the variable being tested. If both groups grew the same despite the fertilizer, it suggests external factors like soil nutrients masked any potential fertilizer effect.
Similar Questions
Access More Features
ATI TEAS Premium Plus
$150/ 90 days
- Actual ATI TEAS 7 Questions
- 3,000 questions with answers
- 90 days access
ATI TEAS Basic
$99/ 30 days
- 3,000 Questions with answers
- 30 days access