ATI TEAS 7
Anatomy
1. What is the largest part of the brain and is responsible for higher functions like thinking, memory, and learning?
- A. Brainstem
- B. Cerebellum
- C. Cerebrum
- D. Thalamus
Correct answer: C
Rationale: The correct answer is C: Cerebrum. The cerebrum is the largest part of the brain and is responsible for higher functions like thinking, memory, and learning. It is divided into two hemispheres (left and right) and is associated with intelligence, creativity, reasoning, and problem-solving abilities. The brainstem (option A) is responsible for basic life functions like breathing and heart rate. The cerebellum (option B) is involved in coordination and balance. The thalamus (option D) acts as a relay station for sensory information. Therefore, the cerebrum is the most appropriate choice for the part of the brain responsible for higher cognitive functions.
2. What property of a wave remains unchanged when it passes from one medium to another with the same speed?
- A. Frequency
- B. Wavelength
- C. Amplitude
- D. Speed
Correct answer: d
Rationale: The speed of a wave remains constant when passing from one medium to another with the same speed.
3. Which sentence uses the correlative conjunction "either/or" correctly?
- A. You can either come to the party or stay home.
- B. Either she will go to the concert, or he will.
- C. I'm not sure whether I should go swimming or running.
- D. He likes both pizza and pasta, so he can have either.
Correct answer: A
Rationale: Option Aa uses "either/or" to present two exclusive options.
4. When an atom gains or loses electrons, it becomes a(n):
- A. Molecule
- B. Isotope
- C. Ion
- D. Compound
Correct answer: C
Rationale: Gaining or losing electrons alters the atom's electron count and charge, creating a positively or negatively charged ion.
5. Certain medications can suppress the immune system to treat autoimmune diseases or prevent organ rejection after transplants. What is a potential risk associated with immunosuppressive drugs?
- A. Increased risk of developing allergies
- B. Increased susceptibility to infections
- C. Both a and b
- D. Neither a nor b
Correct answer: C
Rationale: The correct answer is C: 'Both a and b.' Immunocompromised individuals, who take immunosuppressive drugs, are at an increased risk of developing allergies due to the altered immune response. Additionally, these drugs suppress the immune system's ability to fight off infections, making individuals more susceptible to various pathogens. Therefore, both increased risk of developing allergies and increased susceptibility to infections are potential risks associated with immunosuppressive drugs, making option C the correct choice.
6. What is the law of conservation of energy?
- A. Energy cannot be created, only destroyed
- B. Energy can be created but not destroyed
- C. Energy can neither be created nor destroyed, only transformed from one form to another
- D. Energy is always created in any process
Correct answer:
Rationale: According to the law of conservation of energy, the total energy in a closed system remains constant; it can change forms but cannot be created or destroyed.
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