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Nursing Elites

ATI TEAS 7

Anatomy

1. The stratified squamous epithelium found in the skin is adapted for:

Correct answer: C

Rationale: The correct answer is C: Protection. Stratified squamous epithelium is a type of tissue that is well-suited for protection as it consists of multiple layers of cells that provide a barrier against physical and chemical damage. In the skin, this epithelium helps protect the body against external threats such as pathogens, UV radiation, and mechanical abrasion. Absorption (A) and secretion (B) are typically functions of other types of epithelial tissues, such as simple columnar or simple cuboidal epithelium. Gas exchange (D) is primarily facilitated by tissues like the alveolar epithelium in the lungs, not stratified squamous epithelium in the skin.

2. How can you effectively adapt your writing style to different audiences?

Correct answer: B

Rationale: Effective writing adapts to the audience's needs and background by adjusting vocabulary, tone, and level of detail.

3. A garden bed has a side length of 8 meters. What is its perimeter?

Correct answer: C

Rationale: : Since all sides are equal, multiply the side length by 4: perimeter = 4 * side length = 4 * 8m = 32m.

4. What is the significance of the nuclear envelope breaking down during mitosis?

Correct answer: B

Rationale: Rationale: A) The breakdown of the nuclear envelope does not directly cause the chromosomes to condense and become visible. Chromosome condensation is a separate process that occurs before mitosis begins. B) The breakdown of the nuclear envelope is crucial for the formation of the spindle apparatus, a structure made of microtubules that helps separate the chromosomes during cell division. The spindle apparatus attaches to the chromosomes and helps move them to opposite poles of the cell. C) The separation of sister chromatids occurs during anaphase, which is facilitated by the spindle apparatus. The breakdown of the nuclear envelope is not directly involved in this process. D) The even distribution of nuclear material to daughter cells is achieved through the movement of chromosomes by the spindle apparatus, which is made possible by the breakdown of the nuclear envelope.

5. What type of energy is stored in food?

Correct answer: c

Rationale: Food stores energy in the form of chemical potential energy, which can be released during metabolic processes.

6. Which term refers to the point of contact between a motor neuron and a muscle fiber, where communication occurs to initiate muscle contraction?

Correct answer: b

Rationale: The correct answer is B: Synapse. A synapse is the point of contact between a motor neuron and a muscle fiber. At the synapse, communication occurs in the form of neurotransmitters being released from the neuron and binding to receptors on the muscle fiber, initiating muscle contraction. A sarcomere refers to the basic contractile unit of a muscle fiber, not the point of contact between a motor neuron and muscle fiber. A tendon is a fibrous connective tissue that connects muscle to bone, not the communication point. Myofibril is a structure within muscle fibers that contains sarcomeres, but it is not the specific term for the point of contact between a motor neuron and muscle fiber.

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