A group of researchers have conducted a study examining the impact of a new medication on blood pressure. What is the purpose of submitting the study for publication in a peer-reviewed journal?

A. Other scientists can validate or disprove the findings.

B. Publication in a peer-reviewed journal will guarantee acceptance of the study's conclusions.

C. Publication in a peer-reviewed journal is unnecessary for this type of study.

D. Publication in a peer-reviewed journal will lead to the manipulation of the study's results.

Answer Explanation:

Other scientists can validate or disprove the findings.

The purpose of submitting a study for publication in a peer-reviewed journal is to have the study’s methodology, results, and conclusions evaluated by other experts in the field.

This process helps to ensure the quality and validity of the research. Choice B.

Publication in a peer-reviewed journal will guarantee acceptance of the study’s conclusions is incorrect because publication in a peer-reviewed journal does not guarantee acceptance of the study’s conclusions.

The study’s findings may still be subject to debate and further research. Choice C.

Publication in a peer-reviewed journal is unnecessary for this type of study is incorrect because publication in a peer-reviewed journal is an important step in the scientific process for all types of studies.

Choice D.

Publication in a peer-reviewed journal will lead to the manipulation of the study’s results is incorrect because the peer-review process is designed to prevent manipulation of results by ensuring that the study meets rigorous standards for quality and validity.

Therefore, the Correct Answer is A.

Q #1: What is the typical way a solid would turn to a liquid and then to a gas?

A. Vaporizing, then melting

B. Melting, then freezing

C. Vaporizing, then freezing

D. Melting, then vaporizing

Answer Explanation

A solid turns into a liquid by melting, and a liquid turns into gas by vaporization.
Q #2: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

A. 2

B. 6

C. 7

D. 9

Answer Explanation

A solution that contains more hydroxide ions than hydrogen ions is a base, and bases have a pH greater than 7, so the only possible answer is choice D. 9.
Q #3: Which of the following does NOT obey the law of independent assortment?

A. Two genes next to each other on a chromosome

B. Two genes on opposite ends of a chromosome

C. Flower color and height in snapdragons

D. Seed color and flower color in peas

Answer Explanation

Two genes next to each other (or within a specified close distance) are said to be linked. Linked genes do not follow the law of Independent assortment because they are too close together to be segregated from each other in meiosis.
Q #4: What is the role of ribosomes?

A. Make proteins

B. Waste removal

C. Transport

D. Storage

Answer Explanation

A ribosome is a structure of eukaryotic cells that makes proteins.
Q #5: Which of the following statements is FALSE?

A. An organelle is a specialized structure in a cell, such as a ribosome.

B. An organ is made up of similar tissues that perform the same function.

C. Organ systems are two or more organs performing similar functions.

D. A tissue contains a single cell type that works to perform a specific function.

Answer Explanation

A tissue contains a variety of cell types that work in conjunction to perform similar functions.

The cells are similar in structure despite being located throughout the body. There are four types of tissues in the human body: connective, epithelial, muscle, and nervous system tissues.
Q #6: When animals eat, insulin is released from the pancreas, stimulating glucose uptake by the liver. When glucose levels drop, the pancreas reduces insulin release. This is an example of which mechanism for maintaining homeostasis?

A. Negative feedback

B. Positive feedback

C. Stress response

D. Parasympathetic regulation

Answer Explanation

Maintaining homeostasis means that conditions are kept stable and relatively constant. Negative feedback is a mechanism used to reverse or minimize changes in a system. In this example, negative feedback is used to keep the body's glucose and insulin levels stable. Positive feedback (B) is a mechanism that Increases changes in a system. A stress response (C) describes the body's reaction to threats or pressures. Parasympathetic regulation (D) refers to activities of the nervous system, including slowing the heart rate and boosting Intestinal activity.
Q #7: A patient lying flat on their back is in which of the following positions?

A. Prone

B. Supine

C. Lateral

D. Medial

Answer Explanation
Q #8: Enzymes catalyze biochemical reactions by ________

A. Lowering the potential energy of the products

B. Separating inhibitors from products

C. Forming a complex with the products

D. Lowering the activation energy of the reaction

Answer Explanation

Enzymes act as catalysts for biochemical reactions. A catalyst is not consumed in a reaction, but rather lowers the activation energy for that reaction. The potential energy of the substrate and the product remain the same, but the activation energy-the energy needed to make the reaction progress can be lowered with the help of an enzyme.
Q #9: A chemistry experiment is performed to determine the effect of a nonvolatile solute on the boiling point of water. Three trials are performed in which 10 mg, 20 mg, and 30 mg of salt are added to 500 mL of distilled water. Each solution is heated on a hot plate, and the elevated boiling points are recorded. Determine the dependent and independent variables in this question.

A. The independent variable is the amount of salt, and the dependent variable is the temperature at which the water boils.

B. The independent variable is the amount of water, and the dependent variable is the temperature at which the water boils.

C. The independent variable is the temperature at which the water boils, and the dependent variable is the amount of salt.

D. The Independent variable is the amount of salt, and the dependent variable is the amount of water.

Answer Explanation

In a scientific experiment, the dependent variable is the condition that is being tested and measured. The independent variable is the condition that is being changed or controlled. In this example, the amount of salt is varied, and the boiling point of water is measured. Therefore, the independent variable is the amount of salt, and the dependent variable is the temperature at which the water bolls.
Q #10: Which of the following molecules exhibits ionic bonding?

A. NaCl

B. CO2

C. C6H12O6

D. H2O

Answer Explanation

Sodium chloride exhibits lonic bonding due to the attraction between Na+ ions and Cl- ions.

Typically, elements on the opposite sides of the periodic table (a metal and a nonmetal) form ionic bonds. Carbon dioxide, water, and glucose exhibit covalent bonding. Typically, elements on the same side of the periodic table (two or more nonmetals) form covalent bonds.

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A group of researchers have conducted a study examining the impact of a new medication on blood pressure. What is the purpose of submitting the study for publication in a peer-reviewed journal?

More Questions on TEAS 7 Science

Q #1: What is the typical way a solid would turn to a liquid and then to a gas?

Answer Explanation

Q #2: What is most likely the pH of a solution containing many hydroxide ions (OH-) and few hydrogen ions(H+)

Answer Explanation

Q #3: Which of the following does NOT obey the law of independent assortment?

Answer Explanation

Q #4: What is the role of ribosomes?

Answer Explanation

Q #5: Which of the following statements is FALSE?

Answer Explanation

Q #6: When animals eat, insulin is released from the pancreas, stimulating glucose uptake by the liver. When glucose levels drop, the pancreas reduces insulin release. This is an example of which mechanism for maintaining homeostasis?

Answer Explanation

Q #7: A patient lying flat on their back is in which of the following positions?

Answer Explanation

Q #8: Enzymes catalyze biochemical reactions by ________

Answer Explanation

Answer Explanation

Q #10: Which of the following molecules exhibits ionic bonding?

Answer Explanation

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