TEAS Practice Test Science

Correct Answer: D

Rationale: The correct answer is D: Artificially acquired active immunity. Vaccines stimulate the body's immune system to produce antibodies and memory cells, providing long-lasting protection against specific diseases. This type of immunity is acquired through deliberate exposure to antigens in vaccines, making it artificial and active. A: Naturally acquired passive immunity is when antibodies are passed from mother to baby, providing temporary protection but not long-lasting immunity like vaccines. B: Artificially acquired passive immunity involves receiving pre-made antibodies, providing immediate but short-lived protection, not the prolonged immunity provided by vaccines. C: Naturally acquired active immunity is developed through natural exposure to pathogens, which is different from the intentional exposure to antigens in vaccines.

Correct Answer: C

Rationale: The correct answer is C, interstitial space. Lymph flows through the interstitial space, which is the fluid-filled space between cells in tissues. Arteries and veins carry blood, not lymph. Lumen is the inside space of a tubular structure, such as a blood vessel, and does not specifically refer to where lymph flows. Therefore, the interstitial space is the most appropriate term for the space where lymph flows through the body.

Correct Answer: C

Rationale: The correct answer is C: Natural Killer cells. Natural Killer cells are part of the innate immune response as they can recognize and eliminate infected or abnormal cells without prior exposure. B-cells and cytotoxic T-cells are part of the adaptive immune response, requiring specific antigens to respond. Antigen-Presenting Cells play a crucial role in initiating the adaptive immune response by presenting antigens to T-cells. Therefore, Natural Killer cells are the only cells listed that belong to the innate immune response.

Correct Answer: C

Rationale: The correct answer is C: Inner mitochondrial membrane. The electron transport chain occurs in the inner mitochondrial membrane because it is where the proteins and complexes involved in oxidative phosphorylation are located. This is where electrons are passed along the chain, leading to the production of ATP. The cytosol (choice A) is where glycolysis occurs, not the electron transport chain. The Golgi apparatus (choice B) is involved in protein processing and sorting, not energy production. The nucleus (choice D) houses the cell's genetic material and is not directly involved in the electron transport chain.

Correct Answer: B

Rationale: The correct answer is B: Fibrous. Fibrous joints connect bones of the skull with fibrous tissue, providing stability and limited movement. Synovial joints (Choice A) have a joint cavity with synovial fluid for movement but aren't found in the skull. Cartilaginous joints (Choice C) connect bones with cartilage and allow slight movement, not commonly found in the skull. Ball-and-socket joints (Choice D) allow the widest range of motion and are not present in the skull. Therefore, the fibrous joint is the most suitable type for connecting the bones of the skull.