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Nursing Elites

ATI TEAS 7

Mathematics

1. Rectangle: A picture frame measures 15cm by 20cm. What is its perimeter?

Correct answer: C

Rationale: Add the lengths of all sides: perimeter = 2 (length + width) = 2 (15cm + 20cm) = 65cm.

2. What enzyme plays a crucial role in DNA replication during the S phase of interphase?

Correct answer: B

Rationale: Rationale: During the S phase of interphase, DNA replication occurs. DNA polymerase is the enzyme responsible for synthesizing new DNA strands by adding nucleotides in a complementary fashion to the template strand. It plays a crucial role in replicating the entire genome accurately. Helicase unwinds the double-stranded DNA, topoisomerase relieves the tension in the DNA strands, and ligase joins the Okazaki fragments on the lagging strand. However, DNA polymerase is the enzyme directly involved in the synthesis of new DNA strands during replication.

3. Which part of the brain is responsible for coordinating muscle movements, maintaining balance, and posture?

Correct answer: b

Rationale: The correct answer is B: Cerebellum. The cerebellum is responsible for coordinating muscle movements, maintaining balance, and posture. It receives information from the sensory systems, the spinal cord, and other parts of the brain to regulate voluntary movements. The cerebrum, on the other hand, is mainly responsible for higher brain functions such as thinking and problem-solving. The medulla oblongata controls autonomic functions like breathing and heart rate, while the thalamus acts as a relay station for sensory information. Therefore, the cerebellum is the specific part of the brain that plays a crucial role in motor coordination and balance.

4. Alpha waves, characteristic of quiet wakefulness and relaxation, have a frequency range of:

Correct answer: B

Rationale: Alpha waves are typically associated with relaxed wakefulness and quiet, non-arousing states. They have a frequency range of 8-13 Hz. This frequency range is slower than beta waves (13-30 Hz) associated with active thinking and concentration, making option C the correct answer. Options A (0.5-4 Hz) and D (13-30 Hz) do not fall within the typical range of alpha waves. Therefore, option B is the most appropriate choice for the frequency range of alpha waves, reflecting the brain's state during relaxation and quiet wakefulness.

5. What is the process by which a large, unstable nucleus splits into two smaller nuclei, releasing neutrons and energy?

Correct answer: D

Rationale: Nuclear fission involves splitting a heavy nucleus into smaller fragments, releasing neutrons and energy.

6. According to the passage, learning from history can help us

Correct answer: C

Rationale: The passage emphasizes learning from both successes and failures, identifying potential obstacles, and using historical knowledge to create solutions for current problems.

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