HESI A2
HESI A2 Practice Test Vocabulary
1. Which term refers to a team captain's exaggerated claim about the number of goals he or she scored during the game?
- A. Hyperbole
- B. Validity
- C. Eulogy
- D. Simile
Correct answer: A
Rationale: The correct answer is 'Hyperbole.' Hyperbole refers to exaggerated statements or claims not meant to be taken literally. In this context, the team captain's claim about the number of goals scored is an exaggerated statement, making 'Hyperbole' the most suitable term. 'Validity' refers to the quality of being logically or factually sound and does not fit the scenario described. 'Eulogy' is a speech or piece of writing that praises someone or something, typically someone who has died, and is unrelated to the question. 'Simile' is a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid, which is not the case in the scenario provided.
2. Which organ system is primarily responsible for maintaining temperature control?
- A. The skeletal system
- B. The digestive system
- C. The nervous system
- D. The integumentary system
Correct answer: D
Rationale: The integumentary system, which includes the skin, hair, and nails, is primarily responsible for maintaining temperature control in the body. The skin helps regulate body temperature through processes like sweating to cool down and shivering to generate heat. Additionally, blood vessels in the skin can dilate or constrict to control the amount of heat lost or retained by the body. This system plays a crucial role in maintaining homeostasis and keeping the body at a stable temperature. The skeletal system (Choice A) provides structural support and protection to the body but is not directly involved in temperature regulation. The digestive system (Choice B) is responsible for breaking down food and absorbing nutrients, not for regulating body temperature. The nervous system (Choice C) controls body functions through electrical impulses but is not the primary system responsible for temperature control.
3. What is the binding membrane of an animal cell called?
- A. Biological membrane
- B. Cell coat
- C. Unit membrane
- D. Plasma membrane
Correct answer: D
Rationale: The correct answer is D: Plasma membrane. The plasma membrane surrounds the cell and acts as an interface between the living interior of the cell and the nonliving exterior. It plays a vital role in maintaining the cell's integrity, regulating the passage of substances in and out of the cell, and facilitating communication with other cells. Choices A, B, and C are incorrect because the term 'plasma membrane' specifically refers to the binding membrane of an animal cell, distinguishing it from other types of membranes or coatings found in cells.
4. How many centimeters are in a foot?
- A. 30 cm
- B. 31.5 cm
- C. 30.48 cm
- D. 35 cm
Correct answer: C
Rationale: The correct answer is C: 30.48 cm. This conversion is based on the standard measurement where 1 foot is equal to 30.48 centimeters. Choice A (30 cm) is incorrect as it is a rounded-down value and not precise. Choice B (31.5 cm) is incorrect as it is not the standard conversion for feet to centimeters. Choice D (35 cm) is incorrect as it is not the accurate conversion for a foot to centimeters.
5. Jan canned 5 gallons of homemade tomatoes. She needs to purchase quart jars to finish the process. How many quart jars will she need to buy for her tomatoes?
- A. 10
- B. 15
- C. 20
- D. 25
Correct answer: C
Rationale: To determine the number of quart jars needed, we first need to convert the gallons to quarts. Since 1 gallon equals 4 quarts, 5 gallons will be equal to 5 * 4 = 20 quarts. Therefore, Jan will need to buy 20 quart jars to store her canned tomatoes. Choices A, B, and D are incorrect as they do not correctly convert the gallons to quarts, leading to an incorrect quantity of jars required.
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