ATI RN
Introduction to Anatomy and Physiology Lesson 2.1 Study Questions Questions
Question 1 of 5
The muscles are ___ to the skin.
Correct Answer: D
Rationale: Muscles are deep (beneath) the skin, which is superficial (surface). They're not lateral (A, side), superficial, or superior (C, above). Depth terms in anatomy clarify layering, like muscles under skin, essential for understanding body structure.
Question 2 of 5
Identify the plane that would divide the body into left and right sides.
Correct Answer: D
Rationale: The sagittal plane divides left and right (e.g., midsagittal at midline), unlike coronal/frontal (A, B, front-back), or transverse (C, top-bottom). Anatomical planes standardize sectioning, vital for imaging like MRI, confirming D.
Question 3 of 5
The thoracic and abdominopelvic cavities are separated by the:
Correct Answer: A
Rationale: The diaphragm, a muscular sheet, separates thoracic (chest) and abdominopelvic cavities, unlike mediastinum (B, chest divider), sternum (C, breastbone), or ventral cavity (D, broader). Anatomically, it regulates breathing and cavity distinction, confirming A.
Question 4 of 5
Which of the following is NOT found in the mediastinum?
Correct Answer: B
Rationale: The mediastinum, a central thoracic region, contains the heart, thymus, and trachea, but not lungs, which are in pleural cavities. Anatomically, this midline space organizes chest structures, excluding lateral lungs.
Question 5 of 5
Emily needs to have her gall bladder removed. Her incision would be in the ___ quadrant of the abdominopelvic cavity.
Correct Answer: C
Rationale: The gallbladder, under the liver, is in the upper right quadrant, not left (A, B) or lower right. Surgical anatomy uses quadrants for precision, guiding incisions like cholecystectomy, making C correct.