ATI RN
ATI Anatomy and Physiology Online Practice
1. The term 'physiology' is related to
- A. the Latin meaning of 'physical shape.'
- B. the structure of internal organs.
- C. the Greek for 'cutting up.'
- D. the Greek for 'relationship to nature.'
Correct answer: D
Rationale: The term 'physiology' originates from the Greek words 'physis' (meaning nature) and 'logos' (meaning study or relationship). Therefore, the correct answer is 'the Greek for 'relationship to nature.' Choice A is incorrect as it refers to the Latin meaning of 'physiology,' not the Greek origin. Choice B is incorrect as it is specific to the structure of internal organs, not the overall study of nature. Choice C is incorrect as it refers to a different term related to dissection or anatomy, not physiology.
2. The maintenance of a steady body temperature in the face of fluctuating environmental conditions illustrates homeostasis.
- A. TRUE
- B. FALSE
- C. Not Sure
- D. None of the above
Correct answer: A
Rationale: The correct answer is True. Homeostasis is the body's ability to maintain a stable internal environment despite external changes. In this case, the maintenance of a steady body temperature despite fluctuations in environmental conditions is a clear example of homeostasis. The body regulates temperature through processes like sweating when it's hot and shivering when it's cold. Choices B, C, and D are incorrect because the statement provided does indeed illustrate the concept of homeostasis, making them inaccurate.
3. Which of the following is not part of the female reproductive system?
- A. The uterus
- B. The uterine tube
- C. The vulva
- D. The bulbourethral gland
Correct answer: D
Rationale: The bulbourethral gland is not part of the female reproductive system. This gland is part of the male reproductive system and is responsible for producing a clear fluid that helps in lubrication during sexual activity. Choices A, B, and C are part of the female reproductive system. The uterus is where a fertilized egg implants and develops into a fetus. The uterine tube (fallopian tube) transports eggs from the ovary to the uterus. The vulva includes the external genital organs of the female.
4. Does aging begin in the fetus?
- A. Yes
- B. No
- C. Not Sure
- D. None of the above
Correct answer: A
Rationale: Aging does begin in the fetus. The aging process starts even before birth due to cellular changes and the passage of time. The cells in a fetus undergo growth, division, and aging from the moment of conception. This continual process of cellular aging continues throughout life. Therefore, the statement is true. Choice B is incorrect because aging does initiate during the fetal stage. Choice C is incorrect as the process of aging commences in the fetus. Choice D is incorrect as the correct answer is 'Yes,' indicating that aging does start in the fetus.
5. The ability of an organism to sense and react to changes in its body illustrates
- A. circulation.
- B. respiration.
- C. responsiveness.
- D. absorption
Correct answer: C.
Rationale: The correct answer is 'responsiveness.' Responsiveness refers to the ability of an organism to detect and respond to stimuli in its environment. In this context, it specifically relates to an organism's ability to sense and react to changes within its body. Choices A, B, and D are incorrect. Circulation refers to the movement of fluids within an organism, respiration is the process of exchanging gases, and absorption is the uptake of substances by cells or tissues.
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