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Nursing Elites

ATI TEAS 7

Anatomy

1. What is the scientific term for a muscle that helps another muscle perform its action?

Correct answer: C

Rationale: The correct answer is C: Synergist. A synergist muscle is a muscle that assists the prime mover (agonist) in performing its action by stabilizing joints or contributing extra force to the movement. Antagonist muscles oppose the action of the prime mover, while fixator muscles stabilize the origin of the prime mover to allow efficient movement. Understanding the roles of these muscles is essential in comprehending how various muscle groups work together to produce coordinated movements.

2. Which of the following is NOT a primary producer in an ecosystem?

Correct answer: B

Rationale: Rationale: - A) Grass: Grass is a primary producer because it can photosynthesize and convert sunlight into energy, making it the base of the food chain. - B) Deer: Deer are consumers that feed on primary producers like grass, so they are not primary producers themselves. - C) Algae: Algae are primary producers that can photosynthesize and produce energy from sunlight. - D) Mushroom: Mushrooms are decomposers that break down organic matter, so they are not primary producers.

3. Which statement accurately describes the relationship between electron configuration and the periodic table?

Correct answer: B

Rationale: Elements within the same group have similar electron configurations in their outermost shell. This explains why elements in the same group often share similar chemical properties.

4. Where does fertilization, the fusion of sperm and egg, typically occur in the human body?

Correct answer: C

Rationale: The correct answer is C: Fallopian tube. Fertilization, the fusion of sperm and egg, typically occurs in the fallopian tube. After ovulation, the egg is released from the ovary and travels through the fallopian tube where it may encounter sperm for fertilization. The fertilized egg then moves to the uterus for implantation and development. The ovary releases the egg but fertilization occurs in the fallopian tube, making it the correct answer.

5. Which of the following best describes a balanced force acting on an object?

Correct answer: b

Rationale: When balanced forces act on an object, the object remains in a state of constant velocity (including at rest).

6. The layer of the skin responsible for new skin cell production is the:

Correct answer: B

Rationale: The correct answer is B: Stratum basale. The stratum basale, also known as the basal layer or stratum germinativum, is the deepest layer of the epidermis responsible for new skin cell production through cell division. This layer contains stem cells that continuously divide and differentiate into keratinocytes, which eventually migrate to the outer layers of the epidermis. The stratum corneum (option A) is the outermost layer of the epidermis composed of dead skin cells. The stratum granulosum (option C) is the layer above the stratum basale where keratinocytes undergo changes in their structure. The stratum spinosum (option D) is a layer above the stratum basale where cells become interconnected by desmosomes. Therefore, the stratum basale is the primary layer responsible for the production of new skin cells.

Similar Questions

The layer of the skin responsible for new skin cell production is the:
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Which of the following is an example of stabilizing selection?

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