which of the following is responsible for maintaining homeostasis in the body
Logo

Nursing Elites

ATI TEAS 7

Practice TEAS Science Test

1. Which of the following is responsible for maintaining homeostasis in the body?

Correct answer: B

Rationale: The correct answer is the Hypothalamus (choice B). The hypothalamus plays a crucial role in maintaining homeostasis by regulating various bodily functions such as hunger, thirst, body temperature, and sleep cycles. While the brainstem (choice A) is involved in basic life functions like breathing and heart rate, it is not primarily responsible for maintaining homeostasis. The medulla oblongata (choice C) is part of the brainstem and controls vital autonomic functions like breathing and heart rate, but it is not the main regulator of homeostasis. The cerebrum (choice D) is responsible for higher brain functions such as thinking, memory, and voluntary movement, but it is not directly involved in maintaining overall bodily balance or homeostasis.

2. What function do ribosomes serve within the cell?

Correct answer: B

Rationale: Ribosomes serve a crucial role in protein synthesis by translating mRNA into proteins. They are not involved in cell movement, protecting the cell from the environment, or aiding in digestion. Choice A is incorrect because ribosomes are not responsible for cell movement. Choice C is incorrect because ribosomes do not primarily protect the cell from its environment. Choice D is incorrect because ribosomes do not have enzymes that aid in digestion.

3. Joann has brainstormed, created an outline, and completed research for a major term paper. Which of the following is the next step she should complete in the writing process?

Correct answer: D

Rationale: After completing research and outlining, the next logical step in the writing process is drafting. Drafting involves putting together the first version of the paper based on the outline and research. This step focuses on organizing thoughts, expanding ideas, and structuring the content. Editing (choice A) occurs after drafting and involves revising and refining the content for clarity, coherence, and correctness. Publishing (choice B) is the final step where the finished work is made available to the audience. Proofreading (choice C) typically follows editing and focuses on correcting spelling, grammar, and punctuation errors.

4. Which of the following words contains an exception to a spelling rule?

Correct answer: C

Rationale: The correct answer is C, 'Noticeable.' This word contains an exception to the common spelling rule of dropping the 'e' before adding a suffix starting with a vowel. In this case, the 'e' is retained in 'noticeable' before adding the suffix '-able.' Choices A, B, and D do not involve any spelling rule exceptions. 'Unclear,' 'Memorize,' and 'Grieved' follow standard spelling conventions without any irregularities.

5. In a study evaluating which type of road salt deices a road most quickly, what is the independent variable?

Correct answer: C

Rationale: The correct answer is C, 'Type of road salt used.' In an experiment, the independent variable is the one manipulated by the researcher to observe its impact on the dependent variable. In this study, the researchers are altering the type of road salt used to determine its influence on the deicing speed, thus making it the independent variable. The other choices are not the independent variable as they are not deliberately manipulated in the experiment: A - 'Deicing time period' is an outcome measure dependent on the type of salt used; B - 'Road used for deicing' is not controlled or manipulated; D - 'Amount of road salt used' would be a potential confounding variable rather than the independent variable as it could affect the outcome along with the type of salt.

Similar Questions

How many feet are in 9 yards?
What kind of error does the following sentence contain? Forgetting that he was supposed to meet his girlfriend for dinner, Anita was mad when Fred showed up late.
What are the fluid-filled sacs that cushion the brain within the skull called?
Which of the following does not describe a general trait of macromolecules?
According to the theory of evolution by natural selection, which of the following statements is true?

Access More Features

ATI TEAS Premium Plus
$149.99/ 90 days

  • Actual ATI TEAS 7 Questions
  • 3,000 questions with answers
  • 90 days access

ATI TEAS Basic
$49/ 30 days

  • 3,000 Questions with answers
  • 30 days access

Other Courses