what does the prefix circum mean in the word circumference

ATI TEAS 7

TEAS 7 English Practice Test

1. What does the prefix circum- mean in the word circumference?

A. Beyond
B. After
C. Around
D. Before

Correct answer: C

Rationale: The prefix 'circum-' means 'around,' which is the definition most related to 'circumference.' Circumference refers to the boundary that surrounds a circular shape. Choice A, 'Beyond,' is incorrect as it implies going further or exceeding a boundary. Choice B, 'After,' is not related to the concept of surrounding or encircling. Choice D, 'Before,' is also unrelated and denotes something occurring prior to a specific time or event.

2. In the cardiovascular system, what does the term 'double circulation' refer to?

A. The separation of oxygenated and deoxygenated blood flow within the heart.
B. The regulation of blood pressure through vasoconstriction and vasodilation.
C. The cyclic contraction and relaxation of the heart muscle.
D. The existence of two separate circulatory pathways, one for the lungs and one for the body.

Correct answer: D

Rationale: The term 'double circulation' in the cardiovascular system refers to the existence of two separate circulatory pathways, one for the lungs (pulmonary circulation) and one for the body (systemic circulation). Oxygen-poor blood is pumped from the heart to the lungs for oxygenation, and then oxygen-rich blood is pumped from the lungs back to the heart to be circulated to the rest of the body. Choices A, B, and C are incorrect as they do not accurately describe the concept of 'double circulation.' Choice A refers to the separation of oxygenated and deoxygenated blood within the heart, choice B relates to blood pressure regulation mechanisms, and choice C describes the cardiac muscle's contraction and relaxation, none of which define 'double circulation' in the context of the cardiovascular system.

3. In the sentence 'Singing is my favorite activity,' how does 'Singing' function in terms of parts of speech?

A. Verb
B. Noun
C. Adjective
D. Pronoun

Correct answer: B

Rationale: In the sentence provided, 'Singing' is a gerund, which is a verb form ending in -ing that functions as a noun. It represents the action of singing, but in this context, it acts as the subject of the sentence. Therefore, 'Noun' is the correct answer. 'Verb' (choice A) is incorrect because while gerunds are verb forms, in this sentence, 'Singing' is not acting as a verb. 'Adjective' (choice C) is incorrect as it describes a noun, which is not the case here. 'Pronoun' (choice D) is also incorrect as 'Singing' does not replace a noun in this sentence.

4. The hypotenuse (side C) of a triangle is 13 inches long. Which of the following pairs of measurements could be correct for the lengths of the other two sides of the triangle? (Note: A² + B² = C²)

A. 5 inches, 12 inches
B. 2.5 inches, 6 inches
C. 2.5 inches, 4 inches
D. 5 inches, 8 inches

Correct answer: A

Rationale: The correct answer is A. Using the Pythagorean theorem (A² + B² = C²), we substitute the values: 5² + 12² = 13². This simplifies to 25 + 144 = 169, which is true. Therefore, 5 inches and 12 inches could be the lengths of the other two sides. Choices B, C, and D do not satisfy the Pythagorean theorem, making them incorrect options.

5. How did Araminta Ross come to be known as Harriet Tubman?

A. She changed her name to her husband's last name and her first name to her mother's name.
B. She was named after the plantation owner's wife.
C. She changed her name because she was wanted as an Underground Railroad runner.
D. She changed her name to remain anonymous as a Civil War spy.

Correct answer: A

Rationale: Araminta Ross came to be known as Harriet Tubman after marrying a free black man named John Tubman. She took her husband's last name 'Tubman' and changed her first name to 'Harriet,' which was her mother's name. This change of name was a personal choice after her marriage and not because she was named after the plantation owner's wife (B), wanted as an Underground Railroad runner (C), or to remain anonymous as a Civil War spy (D). Therefore, the correct answer is A.