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Nursing Elites

ATI TEAS 7

Biology

1. What is the process of cells dividing to produce new cells called?

Correct answer: A

Rationale: Rationale: A) Cell division is the process by which a parent cell divides into two or more daughter cells, allowing for growth, repair, and reproduction in living organisms. This process ensures that genetic material is accurately passed on to the new cells. B) Cell differentiation refers to the process by which cells become specialized to perform specific functions in an organism. While cell division is essential for cell differentiation, they are distinct processes. C) Cell growth is the increase in size or mass of a cell, which can occur before or after cell division. While cell growth is a component of the cell division process, it is not the primary process of cells dividing to produce new cells. D) Cell regeneration is the process by which damaged or lost cells are replaced by new cells. While cell division is involved in cell regeneration, it specifically refers to the overall process of cells dividing to produce new cells. Therefore, the most appropriate answer to the ques

2. What is the relationship between genetic drift and the founder effect?

Correct answer: A

Rationale: Rationale: - The founder effect is a specific type of genetic drift that occurs when a small group of individuals establishes a new population, leading to a loss of genetic variation. - Genetic drift, on the other hand, is a broader concept that refers to random changes in allele frequencies in a population over time due to chance events. - Therefore, the founder effect is a specific scenario within the broader concept of genetic drift, where the establishment of a new population by a small number of individuals leads to genetic changes in the population.

3. Which muscle type is characterized by a combination of voluntary and involuntary control, is striated, and is responsible for pumping blood throughout the circulatory system?

Correct answer: c

Rationale: The correct answer is C: Cardiac muscle. Cardiac muscle is characterized by a combination of voluntary and involuntary control, as the heart can beat involuntarily while also responding to signals from the autonomic nervous system. It is striated, meaning it has a striped appearance under a microscope due to the arrangement of contractile proteins. Cardiac muscle is responsible for pumping blood throughout the circulatory system, making it crucial for maintaining circulation and delivering oxygen and nutrients to tissues. Skeletal muscle (option A) is primarily under voluntary control and is responsible for movement, while smooth muscle (option B) is predominantly involuntarily controlled and found in organs like the intestines. Connective tissue (option D) provides support and structure but is not a muscle type responsible for pumping blood.

4. Which type of carbohydrate is the main component of the cell wall in plant cells?

Correct answer: C

Rationale: The correct answer is C: Cellulose. Cellulose is a structural polysaccharide and the main component of the cell wall in plant cells. Starch, option A, is a storage polysaccharide found in plants, while glucose, option B, is a simple sugar and a basic unit of carbohydrates, not the main component of plant cell walls. Chitin, option D, is a structural polysaccharide found in the exoskeletons of arthropods and fungal cell walls, not in plant cell walls. Understanding the unique composition of plant cell walls helps in differentiating the types of carbohydrates present in various cellular structures.

5. What is the scientific name for the tear gland?

Correct answer: A

Rationale: The lachrymal gland is the almond-shaped gland located above each eye, responsible for producing tears. Tears are a complex mixture of water, electrolytes, proteins, and other substances that help lubricate and protect the eyes from dryness and irritation.

6. What is the name of the condition characterized by swelling caused by a buildup of lymph fluid?

Correct answer: B

Rationale: The correct answer is B: Edema. Edema is the condition characterized by swelling caused by a buildup of lymph fluid in the body's tissues. Anemia (A) is a condition characterized by a lack of healthy red blood cells, not swelling. Hypertension (C) is high blood pressure, which does not directly cause swelling. Diabetes (D) is a metabolic disorder affecting blood sugar levels and does not directly lead to lymph fluid buildup and swelling.

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