which of the following is not a type of antibody
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ATI TEAS 7

TEAS version 7 quizlet science

1. Which of the following is NOT a type of antibody?

Correct answer: C

Rationale: A) IgA: This is a type of antibody found in mucosal areas such as the gut, respiratory tract, and genitourinary tract. It plays a role in mucosal immunity. B) IgM: This is a type of antibody produced during the primary immune response and is the first antibody to be produced in response to an infection. C) Interferon: Interferons are signaling proteins produced by cells in response to viral infections. They play a role in the immune response by interfering with viral replication, but they are not antibodies. D) IgG: This is the most abundant type of antibody in the bloodstream and is involved in long-term immunity. Therefore, the correct answer is C) Interferon, as it is not a type of antibody.

2. What is the term for a solution that has exactly the same concentration of solute as another solution?

Correct answer: C

Rationale: An isotonic solution is a solution that has the same concentration of solute as another solution. When cells are placed in an isotonic solution, there is no net movement of water across the cell membrane, maintaining equilibrium. Choice A, a saturated solution, refers to a solution that contains the maximum amount of solute that can be dissolved at a given temperature. Choice B, an unsaturated solution, is a solution that contains less solute than a saturated solution under the same conditions. Choice D, a concentrated solution, is a solution with a high amount of solute compared to the solvent.

3. Tanya told her sister to tell her boyfriend Joe to call her as soon as he got home. Which of the following is a correct revision of the ambiguous sentence above?

Correct answer: D

Rationale: Option D provides a clear and concise revision of the ambiguous sentence with a straightforward instruction. Tanya asks her sister to relay a message to Joe, instructing him to call her immediately upon arriving home. The direct speech used in Option D clarifies the relationships and actions involved in the communication. Choices A, B, and C introduce confusion by altering the relationships and instructions given in the original sentence, making them incorrect.

4. Which of the following is a representation of a natural pattern or occurrence that is difficult or impossible to experience directly?

Correct answer: B

Rationale: A model is a representation of a natural pattern or occurrence that is difficult or impossible to experience directly. Models are used to simplify complex systems or phenomena to aid in understanding or making predictions about them. The other options (A, C, and D) do not specifically refer to representations of natural patterns or occurrences as models do. A theory is an explanation based on observations, experiments, and reasoning. A law is a statement that describes a consistent natural phenomenon observed to occur without exception. An observation is a direct result of perceiving something using the senses, without being a representation or abstraction of a natural pattern.

5. What is the process of combining two or more substances to form a heterogeneous mixture called?

Correct answer: C

Rationale: The correct answer is 'Mixing.' When substances are combined, a heterogeneous mixture is formed where the components are physically distinguishable. 'Dissolving' (Choice A) is the process of a solute becoming uniformly dispersed in a solvent to form a solution, not a heterogeneous mixture. 'Diluting' (Choice B) refers to reducing the concentration of a solute in a solution. 'Reacting' (Choice D) involves a chemical change where substances interact to form new products, rather than just physically mixing to form a heterogeneous mixture.

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