ATI RN
Introduction to Anatomy and Physiology Lesson 2.1 Study Questions Questions
Question 1 of 5
Which hormone helps to maintain glucose homeostasis by stimulating liver cells to take up and remove additional glucose?
Correct Answer: A
Rationale: Insulin, lowers blood glucose by prompting liver uptake and storage as glycogen. Glucagon raises glucose, pancreas is an organ, response and starch are irrelevant. Anatomically, insulin's role in glucose homeostasis post-meal regulation prevents hyperglycemia, confirming A.
Question 2 of 5
Which of the following is/are the contents of the dorsal body cavity?
Correct Answer: B
Rationale: The dorsal cavity, along the body's back, encases the brain and spinal cord, safeguarding the central nervous system. Unlike ventral organs, these structures govern thought and coordination. Nurses focus here for neurological issues like spinal injuries distinct from thoracic or abdominal contents. This cavity's protective role is key, housing the body's command center for effective health management.
Question 3 of 5
Complete the sentence correctly: 'Cervical vertebrae are......
Correct Answer: A
Rationale: Cervical vertebrae, in the neck, sit above the rib cage, a superior position in anatomical terms. Nurses assess them for neck issues like whiplash relative to the thoracic cage below. Other options fail: they're above thoracic vertebrae, precede sacral ones, and aren't fused. This placement shapes spinal care and orientation.
Question 4 of 5
Which of the following best describes the 'anatomical position'?
Correct Answer: D
Rationale: The anatomical position stands upright, arms at sides, palms up, presenting the ventral surface forward. Nurses adopt this as a universal reference like for chest exams unlike spread or clasped stances. It aligns directional terms, ensuring consistent anatomical communication across medical practice.
Question 5 of 5
Which of the following is not true?
Correct Answer: A
Rationale: Pathology examines disease, not life's essence, which aligns with biology's broader scope. Organ function indeed ties to structure like the heart's chambers pumping blood and homeostasis is vital for stability. However, negative feedback dominates, correcting deviations like temperature spikes, while positive feedback, amplifying events like childbirth, is rarer. Nurses rely on this understanding to manage conditions, recognizing stability mechanisms outweigh escalatory ones in daily physiology.