Practice Science TEAS Test

Questions 64

ATI TEAS 7

ATI TEAS 7 Test Bank

Practice Science TEAS Test Questions

Question 1 of 5

Which of the following statements regarding macrophages is incorrect?

Correct Answer: A

Rationale: The correct answer is A. Macrophages are not found abundantly in the blood as they primarily reside in tissues. Neutrophils are the most abundant white blood cells in the blood. Choice B is correct as macrophages are indeed larger than neutrophils. Choice C is correct as macrophages are long-lived cells. Choice D is correct as monocytes are produced in the bone marrow and differentiate into macrophages once they migrate to tissues.

Question 2 of 5

Which of the following processes describes the conversion of glucose to pyruvic acid during glycolysis?

Correct Answer: B

Rationale: The correct answer is B: Glycolysis. Glycolysis is the process where glucose is broken down into pyruvic acid through a series of enzymatic reactions in the cytoplasm. This process involves multiple steps including phosphorylation, isomerization, cleavage, and oxidation. Glycogenesis (choice A) is the synthesis of glycogen from glucose, not the breakdown. Glycogenolysis (choice C) is the breakdown of glycogen into glucose, not the conversion of glucose to pyruvic acid. Gluconeogenesis (choice D) is the synthesis of glucose from non-carbohydrate precursors, not the conversion of glucose to pyruvic acid.

Question 3 of 5

Which structure in the skin is responsible for producing melanin?

Correct Answer: B

Rationale: The correct answer is B: Melanocyte. Melanocytes are specialized cells in the skin that produce melanin, the pigment responsible for skin color. They are located in the epidermis and transfer melanin to nearby keratinocytes. Sudoriferous glands (A) produce sweat, sebaceous glands (C) produce sebum, and hair follicles (D) are responsible for hair growth. Therefore, they are not involved in melanin production in the skin.

Question 4 of 5

Which type of tissue protects the respiratory system's trachea?

Correct Answer: B

Rationale: The correct answer is B: Cartilage. Cartilage is the type of tissue that protects the respiratory system's trachea. Cartilage provides structural support and flexibility to the trachea, allowing it to maintain its shape and prevent collapse during breathing. Bone (A) is too rigid for this function. Collagen (C) is a protein that provides strength but does not have the same supportive properties as cartilage. Keratin (D) is a protein found in skin, hair, and nails, not in the trachea. Therefore, cartilage is the most suitable tissue to protect the trachea in the respiratory system.

Question 5 of 5

Which of the following infectious diseases can be caused by a protozoan parasite?

Correct Answer: B

Rationale: The correct answer is B: Malaria. Malaria is caused by a protozoan parasite called Plasmodium, which is transmitted through the bite of infected mosquitoes. Protozoan parasites are single-celled organisms that can cause various infectious diseases in humans. Measles (A), mumps (C), and mononucleosis (D) are caused by viruses, not protozoan parasites. Viruses are different from protozoa in terms of structure, replication, and mode of infection. Therefore, the correct choice is B as it aligns with the characteristic of being caused by a protozoan parasite.

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