Logo

Nursing Elites

ATI TEAS 7

Anatomy

1. Which structure contains the genetic material (DNA) of the cell?

Correct answer: B

Rationale: The correct answer is B: Nucleus. The nucleus is the organelle that contains the genetic material (DNA) of the cell. It acts as the control center of the cell, regulating gene expression and coordinating cellular activities. The cytoplasm, option A, is the jelly-like substance that fills the cell and surrounds the organelles, but it does not contain the genetic material. The cell wall, option C, is a rigid structure found in plant cells that provides support and protection, but it does not house the DNA. The Golgi apparatus, option D, is responsible for modifying, sorting, and packaging proteins for secretion, but it does not store the genetic material of the cell. Therefore, the nucleus is the structure that contains the genetic material in a cell.

2. When light interacts with a perfectly smooth surface, like a mirror, the dominant interaction is:

Correct answer: D

Rationale: The correct answer is D: Specular reflection. When light interacts with a perfectly smooth surface like a mirror, it undergoes specular reflection, where the light rays are reflected at the same angle as the incident angle. Refraction (option A) occurs when light passes from one medium to another at an angle, causing it to change direction. Diffraction (option B) is the bending of light waves around obstacles or through small openings. Total internal reflection (option C) occurs when light traveling in a medium strikes the boundary with another medium at an angle greater than the critical angle, causing the light to reflect back into the original medium. In the case of a perfectly smooth surface, specular reflection is the dominant interaction as the light rays reflect in a single direction with minimal scattering or diffraction.

3. Which of the following represents a form of potential energy?

Correct answer: c

Rationale: A raised hammer possesses potential energy due to its elevated position relative to the ground.

4. How does the potential energy of an object change when it is compressed?

Correct answer: b

Rationale: When an object is compressed, it stores potential energy due to its altered position or configuration.

5. Kidney stones are formed when:

Correct answer: B

Rationale: The correct answer is B: "Minerals crystallize in the urine." Kidney stones are formed when minerals in the urine combine and crystallize, forming solid masses. This process can occur due to various factors, such as high levels of calcium, oxalate, or uric acid in the urine. Options A and C are not directly related to the formation of kidney stones. Option D is incorrect because not all the statements are true; only minerals crystallizing in the urine lead to kidney stone formation.

6. The adaptive immune system develops a targeted response to specific pathogens. What type of immune cell is responsible for producing antibodies?

Correct answer: D

Rationale: The correct answer is D: B cells. B cells are a type of lymphocyte responsible for producing antibodies, which play a crucial role in the adaptive immune response. When a pathogen enters the body, B cells are activated and differentiate into plasma cells that secrete specific antibodies to target and neutralize the pathogen. Natural killer cells (A) are part of the innate immune system and are responsible for killing infected or abnormal cells. Phagocytes (B) are another type of innate immune cell that engulfs and digests pathogens. Helper T cells (C) play a vital role in coordinating the immune response but do not directly produce antibodies.

Similar Questions

The adaptive immune system develops a targeted response to specific pathogens. What type of immune cell is responsible for producing antibodies?
You need to fill a rectangular swimming pool with dimensions 10 meters by 5 meters and a depth of 2 meters. How many cubic meters of water does it take to fill the pool?
What is the half-life of a radioactive isotope, and how does it relate to its decay rate?
What is the scientific term for inflammation of the bronchi, often associated with a cough and mucus production?
He wants to influence the customary way of thinking and behaving that is shared by the
Negative feedback mechanisms are crucial in the endocrine system to:

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
$99/ 30 days

  • 3,000 Questions with answers
  • 30 days access

Other Courses