ATI RN
Nutrition And Metabolism Questions Questions
Question 1 of 5
Which of the following labels best matches osteocyte?
Correct Answer: C
Rationale: Osteocytes are mature bone cells embedded in the bone matrix, maintaining bone tissue.
Question 2 of 5
Put the following structures in order from superficial to deep. 1. muscle fiber 2. perimysium 3. myofibril 4. fascicle 5. endomysium 6. epimysium
Correct Answer: B
Rationale: The correct order is epimysium (6), perimysium (2), fascicle (4), endomysium (5), muscle fiber (1), myofibril (3), from superficial to deep.
Question 3 of 5
The spinal cord consists of four regions and ___ segments.
Correct Answer: D
Rationale: The spinal cord has 31 segments: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal.
Question 4 of 5
Axons terminate in a series of fine extensions known as
Correct Answer: A
Rationale: Telodendria are the fine extensions at the end of an axon.
Question 5 of 5
Damage to the medulla oblongata can result in death because
Correct Answer: B
Rationale: The medulla oblongata contains vital centers regulating heart rate, breathing, and blood pressure, making damage potentially fatal.