ATI TEAS 7
Biology
1. Which part of the brain controls balance and coordination?
- A. Cerebellum
- B. Hypothalamus
- C. Occipital lobe
- D. Corpus callosum
Correct answer: A
Rationale: Rationale: The cerebellum is the part of the brain responsible for coordinating voluntary movements, balance, and posture. It receives information from the sensory systems, the spinal cord, and other parts of the brain to regulate motor movements. The hypothalamus is involved in regulating various bodily functions such as temperature, hunger, and thirst. The occipital lobe is primarily responsible for processing visual information. The corpus callosum is a structure that connects the two hemispheres of the brain and facilitates communication between them.
2. A set of integers can be classified as positive, negative, or zero. Which of the following statements about multiplying positive and negative integers is ALWAYS true?
- A. The product will always be positive.
- B. The product will always be negative.
- C. The product will depend on the specific positive and negative numbers used.
- D. Positive and negative integers cannot be multiplied
Correct answer: B
Rationale: Rationale: When multiplying a positive integer by a negative integer, the product will always be negative. This is a fundamental rule of arithmetic. The sign of the product is determined by the rule that states that a positive number multiplied by a negative number results in a negative number. Therefore, the statement that the product will always be negative is always true when multiplying positive and negative integers.
3. Which blood type is a universal donor?
- A. A
- B. B
- C. AB
- D. O
Correct answer: D
Rationale: Rationale: Blood type O is considered the universal donor because individuals with type O blood can donate red blood cells to individuals with any ABO blood type (A, B, AB, or O) without causing an adverse reaction. This is because type O blood lacks A or B antigens on the surface of red blood cells, which helps minimize the risk of an immune response when transfused into individuals with different blood types. Therefore, type O blood is in high demand for blood transfusions in emergency situations when the recipient's blood type is unknown or when there is a shortage of specific blood types.
4. Which part of the nervous system is responsible for transmitting signals from the sensory organs to the central nervous system?
- A. Autonomic nervous system
- B. Somatic nervous system
- C. Peripheral nervous system
- D. Central nervous system
Correct answer: C
Rationale: The correct answer is C: Peripheral nervous system. The peripheral nervous system is responsible for transmitting signals from the sensory organs to the central nervous system. It consists of nerves outside of the brain and spinal cord that carry information to and from the central nervous system. The autonomic nervous system (A) regulates internal bodily functions, the somatic nervous system (B) controls voluntary movements, and the central nervous system (D) includes the brain and spinal cord where processing of signals occurs, rather than transmitting signals from the sensory organs.
5. The phrase "massive open online courses" (MOOCs) refers to
- A. Online learning platforms designed specifically for students with disabilities.
- B. University-level courses freely available to anyone with an internet connection.
- C. Interactive training modules aimed at developing job-specific skills and knowledge.
- D. Online resources offering personalized learning experiences tailored to individual needs.
Correct answer: B
Rationale: MOOCs by definition are open and accessible courses, aligning with B.
6. Which form of energy is associated with the motion of an object?
- A. Kinetic energy
- B. Potential energy
- C. Thermal energy
- D. Electrical energy
Correct answer: a
Rationale: Kinetic energy is the energy of motion possessed by an object.
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