ATI RN
ATI Anatomy and Physiology Online Practice
1. Simple squamous epithelium is an example of a(n)
- A. organ system.
- B. organ.
- C. tissue.
- D. molecule.
Correct answer: C
Rationale: Simple squamous epithelium is a type of tissue, not an organ system, organ, or molecule. Tissues are groups of cells that work together to perform a specific function. In this case, simple squamous epithelium is a thin, single layer of flattened cells that line surfaces involved in passive diffusion, such as the alveoli in the lungs or blood vessels. Therefore, the correct answer is 'tissue.' Choices A, B, and D are incorrect as they do not accurately categorize simple squamous epithelium as a tissue.
2. The anatomical term that indicates a structure close to the surface is
- A. anterior
- B. proximal
- C. superficial
- D. superior
Correct answer: C
Rationale: The correct answer is 'superficial.' In anatomy, the term 'superficial' refers to a structure that is close to the surface of the body. Choice A, 'anterior,' refers to the front of the body, not specifically to depth. Choice B, 'proximal,' refers to a structure that is closer to the point of attachment or trunk of the body. Choice D, 'superior,' indicates a structure that is above or higher in position.
3. Organ systems consist of organs, which consist of tissues.
- A. True
- B. False
- C. Not Sure
- D. None of the above
Correct answer: A
Rationale: The statement is true. Organ systems are made up of organs, which in turn are composed of tissues. Organs are structures made up of two or more types of tissues that work together to perform specific functions. Tissues, on the other hand, are groups of cells that work together to perform a specific function. Therefore, organs are made up of tissues, and organ systems consist of organs.
4. Reproduction is the change in body characteristics over time.
- A. TRUE
- B. FALSE
- C. Not Sure
- D. None of the above
Correct answer: B
Rationale: Reproduction is the process by which living organisms produce offspring of the same kind. It is not related to changes in body characteristics over time. Therefore, the statement is false. Choices C and D are also incorrect as they do not align with the definition of reproduction.
5. Which of the following is produced by the prostate gland?
- A. testosterone
- B. fluid to lubricate the head of the penis
- C. substance to enhance sperm mobility
- D. Gonadotrophin-releasing hormone
Correct answer: B
Rationale: The correct answer is 'fluid to lubricate the head of the penis.' The prostate gland produces a milky fluid that makes up part of the seminal fluid, which helps to nourish and transport sperm. Testosterone is produced mainly by the testes, not the prostate gland. While the prostate gland does contribute to sperm mobility, its primary function is to produce the fluid that lubricates the penis during ejaculation. Gonadotrophin-releasing hormone is produced by the hypothalamus and regulates the release of hormones from the pituitary gland.
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