HESI A2
HESI A2 Anatomy and Physiology Practice Exam
1. Where is a gallstone most likely to cause pain?
- A. In the upper right quadrant of the abdomen
- B. In the lower right quadrant of the abdomen
- C. In the umbilical region
- D. Along the pelvic girdle
Correct answer: A
Rationale: A gallstone is most likely to cause pain in the upper right quadrant of the abdomen. This specific area corresponds to the location of the gallbladder. When a gallstone blocks the flow of bile from the gallbladder, it can lead to inflammation and pain in this region. The pain may also radiate to the back or right shoulder blade due to referred pain patterns associated with gallbladder issues. Choices B, C, and D are incorrect because gallstone pain is typically felt in the upper right quadrant of the abdomen, not the lower right quadrant, umbilical region, or along the pelvic girdle.
2. What is the meaning of the word tolerance as used in the last paragraph about Yoga?
- A. Open-mindedness.
- B. Approval.
- C. Endurance.
- D. Generosity.
Correct answer: C
Rationale: In this context, "tolerance" refers to the capacity to endure discomfort, particularly in relation to pain during yoga practices. The passage discusses how yoga improves pain tolerance, emphasizing the ability to withstand discomfort rather than any other meanings associated with the term, such as open-mindedness or approval.
3. She went to the party _____ her dislike for the host.
- A. because of
- B. despite
- C. in spite of
- D. due to
Correct answer: B
Rationale: The correct answer is 'despite.' 'Despite' is used to indicate a contrast between attending the party and the dislike for the host. 'Because of' (choice A) is incorrect as it would imply that she attended the party specifically because of her dislike for the host. 'In spite of' (choice C) has the same meaning as 'despite' but is less commonly used. 'Due to' (choice D) is incorrect as it is used to show causation, which does not fit the context of the sentence.
4. A patient needs to take 2 tablets for every 30 pounds of body weight. If they weigh 150 pounds, how many tablets should they take?
- A. 5
- B. 10
- C. 15
- D. 20
Correct answer: B
Rationale: Rationale: - The patient needs to take 2 tablets for every 30 pounds of body weight. - If the patient weighs 150 pounds, we can calculate the number of tablets needed by dividing the weight by 30 and then multiplying by 2. - 150 pounds / 30 pounds = 5 - 5 x 2 = 10 tablets - Therefore, the patient should take 10 tablets.
5. What term refers to the average of the masses of each of its isotopes as they occur in nature?
- A. Atomic number
- B. Mass number
- C. Atomic mass
- D. Neutron number
Correct answer: C
Rationale: The correct answer is atomic mass. Atomic mass is the weighted average of the masses of an element's isotopes. It takes into account the abundance of each isotope in nature to provide a more accurate representation of the element's overall mass. Choice A, atomic number, represents the number of protons in an atom. Choice B, mass number, refers to the total number of protons and neutrons in an atom's nucleus. Choice D, neutron number, specifically focuses on the count of neutrons in an atom's nucleus. These choices do not directly relate to the average mass of isotopes as asked in the question.
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