ATI Anatomy and Physiology Online Practice

ATI Anatomy and Physiology Online Practice Related

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One characteristic that centenarians share is

  • A. a high level of exercise throughout life
  • B. long-lived relatives
  • C. following the Mediterranean diet
  • D. never having smoked
Correct Answer: D

Rationale: The correct answer is 'never having smoked.' Research suggests that one of the common characteristics among centenarians is that they have never smoked. Smoking is a well-known risk factor for various diseases and can significantly reduce lifespan. Choice A, 'a high level of exercise throughout life,' is not a universal characteristic among centenarians, although exercise can contribute to a healthy lifestyle. Choice B, 'long-lived relatives,' while genetics can play a role in longevity, not all centenarians have long-lived relatives. Choice C, 'following the Mediterranean diet,' is a healthy dietary choice but not a defining characteristic shared by all centenarians.

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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.

What is the term for the upper midportion of the abdomen?

  • A. hypochondriac
  • B. iliac
  • C. hypogastric
  • D. epigastric
Correct Answer: D

Rationale: The correct answer is "epigastric." The epigastric region is located in the upper midportion of the abdomen, between the hypochondriac regions on either side. Choice A, "hypochondriac," refers to the upper lateral regions of the abdomen beneath the ribs. Choice B, "iliac," pertains to the lower lateral regions of the abdomen. Choice C, "hypogastric," is the lower central region of the abdomen.

What is the membrane on the surface of a lung called?

  • A. visceral pleura
  • B. parietal pleura
  • C. visceral pericardium
  • D. parietal pericardium
Correct Answer: A

Rationale: The correct answer is A: visceral pleura. The membrane covering the surface of the lungs is called the visceral pleura. It is a serous membrane that is in direct contact with the lung tissue. Choices B, C, and D are incorrect because the parietal pleura covers the inner surface of the chest wall and diaphragm, the visceral pericardium covers the surface of the heart, and the parietal pericardium is the outer layer of the pericardium surrounding the heart, respectively.

When the body is placed in the anatomical position, which of the following is not true?

  • A. The head is facing to the front.
  • B. The palms are facing forward.
  • C. The body is erect.
  • D. The upper limbs are at the sides.
Correct Answer: B

Rationale: In the anatomical position, the palms are facing forward, not backward. Choice A is correct because the head is indeed facing to the front. Choice C is correct as the body is erect. Choice D is correct as the upper limbs are positioned at the sides. Therefore, the incorrect statement is that the palms are facing forward.

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.

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