ATI TEAS Science Test - Nurselytic

Questions 87

ATI TEAS 7

ATI TEAS 7 Test Bank

ATI TEAS Science Test Questions

Question 1 of 5

In order to verify if a particular drug is responsible for the recovery of individuals with a disorder, what procedure would be most effective in testing its effectiveness?

Correct Answer: A

Rationale: The most effective procedure in testing whether the drug is responsible for the recovery is to ensure that neither the subjects nor the investigators know which subjects are given the drug and which are given the placebo. This method is known as a double-blind study, which helps eliminate biases and ensures that the results are reliable and not influenced by expectations or beliefs. By keeping both the subjects and investigators unaware of who is receiving the drug or placebo, the study can accurately determine the true impact of the drug on recovery.
Choice B is incorrect as it only prevents the subjects from knowing which treatment they are receiving, allowing for potential bias from the investigators.
Choice C is also incorrect as it allows for potential bias from the subjects.
Choice D is incorrect as full knowledge of treatment allocation can introduce bias and affect the study's validity.

Question 2 of 5

Which of the following is a consequence of bone marrow failure?

Correct Answer: B

Rationale: The corrected question focuses on the consequence of bone marrow failure, which is pancytopenia. Bone marrow failure results in decreased production of red blood cells, white blood cells, and platelets, leading to pancytopenia. This condition manifests as fatigue, weakness, increased infection susceptibility, and bleeding tendencies. Paraplegia, seizures, and pathologic fractures are not typical outcomes of bone marrow failure. Paraplegia is associated with spinal cord injury, seizures with neurological disorders, and pathologic fractures with conditions like osteoporosis or bone tumors.

Question 3 of 5

What are the cellular functions of cilia and flagella?

Correct Answer: A

Rationale: Cilia and flagella are microtubule-based structures found on the surface of many eukaryotic cells. Their primary function is to facilitate cell movement. Cilia are short, numerous, and move in coordinated waving motions to move substances along the cell's surface. Flagella are longer and usually limited to one or a few per cell, providing a propeller-like movement for the cell. Both cilia and flagella aid in cell motility and are essential for various cellular functions, primarily involved in cell movement rather than protein synthesis, protection, or digestion.
Therefore, choice A is correct as it accurately describes the primary function of cilia and flagella.

Choices B, C, and D are incorrect as cilia and flagella are not involved in protein synthesis, cell protection, or digestion in cells.

Question 4 of 5

If every child in a certain family suffers from autism, what possible conclusion can be drawn about autism?

Correct Answer: B

Rationale: The possible conclusion that can be drawn from every child in a certain family suffering from autism is that autism may be genetic. The fact that every child in the family has autism suggests a strong genetic influence on the condition within this particular family. This does not necessarily mean that autism is solely genetic in all cases, but in this specific family, the pattern of all children being affected points towards a genetic connection.
Choice A is incorrect as the information provided does not suggest that autism is lethal.
Choice C is incorrect as there is no evidence to support a relationship between autism and traditional nuclear family structures.
Choice D is incorrect because a conclusion can be drawn from the given evidence, indicating a potential genetic link within this specific family.

Question 5 of 5

Which of the following anatomical terms is not part of the knee?

Correct Answer: C

Rationale: The lateral malleolus is a bony prominence on the lateral side of the ankle and is not part of the knee anatomy. The other options - medial collateral ligament, patella, and lateral meniscus - are all structures within the knee joint. The medial collateral ligament is located on the inner side of the knee, the patella is the kneecap, and the lateral meniscus is a cartilage structure within the knee joint.
Therefore, the correct answer is C, lateral malleolus.

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