ATI TEAS 7
ATI TEAS Science Practice Test
1. What are the three layers of the skin?
- A. Epidermis, dermis, subdermis
- B. Epidermis, dermis, hypodermis
- C. Dermis, subdermis, hypodermis
- D. Epidermis, dermis, adipose layer
Correct answer: B
Rationale: The correct answer is B: Epidermis, dermis, hypodermis. The three layers of the skin are the epidermis (outer layer), dermis (middle layer), and hypodermis (inner layer of fat and connective tissue). The hypodermis is also known as the subcutaneous tissue and is primarily composed of adipose (fat) tissue, providing insulation and padding to the body. Choice A is incorrect as 'subdermis' is not a recognized layer of the skin. Choice C is incorrect as 'dermis' is the middle layer, not the outer layer. Choice D is incorrect as the layer below the dermis is the hypodermis, not specifically an 'adipose layer.'
2. Which type of blood vessel carries blood away from the heart?
- A. Vein
- B. Artery
- C. Capillary
- D. Venule
Correct answer: B
Rationale: The correct answer is B: Artery. Arteries carry oxygen-rich blood away from the heart to various parts of the body. Veins, on the other hand, carry blood back to the heart. Capillaries are tiny blood vessels where oxygen and nutrients are exchanged with tissues. Venules are small veins that collect blood from capillaries, not from the heart, making them incorrect in this context.
3. Based on the context, which of the following is the meaning of the word match in the sentence?
- A. a competitive event
- B. a suitable pair
- C. a slender piece of wood used to start a fire
- D. a prospective marriage partner
Correct answer: A
Rationale: In the context of the sentence, the word 'match' refers to a competitive event, likely a sports match or game that Victoria participated in and won easily. This is the most appropriate interpretation based on the context provided. Choices B, C, and D are incorrect as they do not fit the context of the sentence. 'A suitable pair,' 'a slender piece of wood used to start a fire,' and 'a prospective marriage partner' do not relate to Victoria winning a match in a sports context.
4. Which of the following choices shows the best chronological order for the sentences within the paragraph?
- A. IV, II, I, III
- B. III, IV, II, I
- C. I, II, III, IV
- D. III, I, IV, II
Correct answer: C
Rationale: The correct chronological order for the sentences within a paragraph should follow the sequence of events logically. In this case, 'I, II, III, IV' is the correct order. Sentence I usually sets the stage or introduces the main idea, followed by sentence II, which provides additional information. Sentence III usually presents the climax or a turning point, leading to sentence IV, which wraps up the paragraph. Choice C, 'I, II, III, IV,' maintains this logical progression, making it the best chronological order. Choices A, B, and D do not follow a coherent chronological sequence and disrupt the flow of events within the paragraph.
5. What phenomenon occurs when light passes through a medium without changing direction, such as when passing through a window?
- A. Diffraction
- B. Reflection
- C. Dispersion
- D. Transmission
Correct answer: D
Rationale: The correct answer is 'Transmission.' Transmission refers to the phenomenon where light passes through a medium without changing direction, as observed when light passes through a window. Diffraction involves the bending of light waves around obstacles, reflection is the bouncing back of light waves from a surface, and dispersion is the separation of light into its different colors. In this case, the question specifically asks about the situation where light passes through a medium without changing direction, which aligns with the process of transmission.
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