Logo

Nursing Elites

ATI TEAS 7

physics

1. What effect does doubling the net force applied to an object have on its acceleration, assuming mass remains constant?

Correct answer: a

Rationale: According to Newton's second law (F = ma), if mass remains constant and force doubles, acceleration also doubles.

2. Which of the following is an example of an aromatic compound?

Correct answer: B

Rationale: Toluene is an aromatic compound. The other choices are not aromatic compounds.

3. What is the main function of energy storage technologies in the context of renewable energy?

Correct answer: C

Rationale: Choice C directly addresses the passage's emphasis on managing the fluctuating availability of renewable energy, hence being the main function of storage technologies.

4. Which hormone, produced by the pituitary gland, stimulates the production of milk in mammary glands during breastfeeding?

Correct answer: c

Rationale: The correct answer is C: Prolactin. Prolactin is the hormone produced by the pituitary gland that stimulates the production of milk in the mammary glands during breastfeeding. It plays a crucial role in lactation by promoting the growth and development of the mammary glands and initiating the production of milk. Growth hormone (GH) regulates growth and metabolism, not milk production. Thyroid-stimulating hormone (TSH) stimulates the thyroid gland, not mammary glands. Follicle-stimulating hormone (FSH) is involved in reproductive processes, not milk production. Therefore, prolactin is the hormone directly responsible for stimulating milk production during breastfeeding.

5. Homologous structures are similar structures in different organisms that have a common evolutionary origin. An example is:

Correct answer: B

Rationale: Rationale: Homologous structures are similar structures found in different organisms that share a common evolutionary origin. In this case, the arm of a human, the wing of a bat, and the flipper of a whale are all examples of homologous structures. Despite serving different functions in these organisms, they share a common underlying structure due to their evolutionary relationship. These structures are evidence of a shared ancestry and are modified over time to suit the specific needs of each species. Option A (Butterfly wings and bird wings) refers to analogous structures, which have similar functions but different evolutionary origins. Option C (The eyes of an octopus and a human) describes convergent evolution, where similar traits evolve independently in different species due to similar environmental pressures. Option D (The stinger of a bee and the barb of a cactus) refers to unrelated

6. What is the process by which muscles convert chemical energy (ATP) into mechanical energy (movement)?

Correct answer: D

Rationale: The correct answer is D, the sliding filament theory. This theory explains how muscle contraction occurs at a molecular level. During muscle contraction, actin and myosin filaments slide past each other, causing the muscle to shorten and generate movement. This process requires the conversion of chemical energy stored in ATP into mechanical energy to power muscle contractions. Options A and B, photosynthesis and cellular respiration, involve energy production in plants and cells but are not directly related to muscle movement. Option C, muscle contraction, is a broad term that encompasses the entire process of muscle movement, while option D specifically addresses the molecular mechanism behind muscle contraction.

Similar Questions

What is the process by which muscles convert chemical energy (ATP) into mechanical energy (movement)?
Which of the following is NOT a function of the endocrine system?
The ability of optical fibers to transmit light signals around bends is primarily due to:
What is the structure that attaches to each chromosome during mitosis?
What is the momentum of a car with a mass of 1500 kg moving at a speed of 20 m/s?
The author's attitude towards history seems to be

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

Other Courses