what is the name of the long bone found in the upper arm
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Nursing Elites

ATI TEAS 7

Practice TEAS Science Test

1. What is the name of the long bone found in the upper arm?

Correct answer: C

Rationale: The correct answer is the humerus. The humerus is the long bone located in the upper arm, between the shoulder and elbow. Option A, Femur, is incorrect as it is the long bone found in the thigh. Option B, Tibia, is incorrect as it is a long bone found in the lower leg. Option D, Radius, is incorrect as it is a bone located in the forearm, not the upper arm.

2. What is the term for the process of a gas changing directly into a solid?

Correct answer: B

Rationale: The correct term for the process of a gas changing directly into a solid is deposition. During deposition, gas particles lose energy and transition directly into the solid state without passing through the liquid phase. Sublimation, on the other hand, is the process in which a solid changes directly into a gas without going through the liquid phase. Condensation is the process where gas changes into a liquid state. Evaporation, on the contrary, is the conversion of a liquid to a gas. Therefore, the correct answer is B, deposition.

3. What is the term for the first exposure to a specific pathogen, leading to the development of an initial immune response?

Correct answer: A

Rationale: The correct answer is A: Primary immune response. The primary immune response refers to the initial encounter with a specific pathogen, which triggers the development of the first immune response by the immune system. This response involves activating immune cells like B cells and T cells to produce antibodies and memory cells specific to that pathogen. On the other hand, the secondary immune response occurs upon re-exposure to the same pathogen and is characterized by a faster, stronger, and more effective immune response due to the presence of memory cells from the primary response. Choices B, C, and D are incorrect. The secondary immune response is the response upon re-exposure, hypersensitivity reactions are exaggerated immune responses to antigens, and immunological tolerance is the immune system's ability to recognize and tolerate self-antigens without mounting an immune response.

4. Which of the following is the region of the brain that controls and regulates autonomic functions such as respiration, digestion, and heart rate?

Correct answer: B

Rationale: The medulla oblongata is the correct answer. It is the region of the brain located at the base of the brainstem responsible for regulating autonomic functions such as respiration, digestion, and heart rate. These functions are essential for maintaining life. The cerebellum (Option A), temporal lobe (Option C), and cerebral cortex (Option D) do not control these autonomic functions. The cerebellum is mainly involved in coordination and balance, the temporal lobe is associated with memory and hearing, and the cerebral cortex is responsible for higher brain functions like thinking and decision-making.

5. Which of the following quantities do catalysts alter to control the rate of a chemical reaction?

Correct answer: B

Rationale: The correct answer is B: Activation energy. Catalysts function by reducing the activation energy needed for a chemical reaction to proceed. By lowering the activation energy, catalysts facilitate the reaction without being consumed themselves. Substrate energy, inhibitors, and promoters are not directly altered by catalysts in the same way activation energy is. Substrate energy refers to the energy of the reactants, which is not altered by catalysts. Inhibitors increase the activation energy required for a reaction, while promoters enhance the effectiveness of a catalyst but do not represent a quantity altered by catalysts.

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