ATI RN
Chapter 1 An Introduction to Anatomy and Physiology Review Questions Questions
Question 1 of 5
When considering the fluid replacement needs of an adult, the nurse recalls that approximately what percent of an adult's body is composed of water?
Correct Answer: D
Rationale: Adults are ~60% water , per options A9-BB, varying by age/sex (50-65%). Not B5% , CC% , or 50% too low for physiological needs. Anatomically, water fills intracellular (cells) and extracellular (blood, interstitial) spaces, supporting metabolism and homeostasis (e.g., nutrient transport). This high percentage guides fluid therapy, confirming D.
Question 2 of 5
The client with anemia has an inadequate number of red blood cells. The nurse is aware that the blood is categorized as which type of tissue?
Correct Answer: D
Rationale: Blood is connective tissue , per options BA-BD, with cells (e.g., RBCs) in a plasma matrix. Glandular secretes, muscle moves, epithelial lines not blood. Anatomically, blood's matrix transports nutrients, and anemia reflects RBC loss, confirming D.
Question 3 of 5
The cardiovascular system is responsible for:
Correct Answer: B
Rationale: The cardiovascular system's core mission is transporting oxygen and nutrients via blood to every tissue, sustaining cellular life. Comprising the heart, arteries, and veins, it ensures vital substances reach organs while removing waste like carbon dioxide. Unlike systems focused on digestion or hormone production, its relentless circulation underpins all bodily functions. Nurses and doctors rely on this system's efficiency to support recovery and vitality, making it a linchpin in maintaining overall health.
Question 4 of 5
The term 'proximal' is used to describe a body part that is:
Correct Answer: B
Rationale: Proximal denotes a position nearer to a limb's attachment point, such as the shoulder for the arm. This directional term enhances anatomical precision, contrasting with distal locations farther away. In healthcare, it's vital for describing injury or disease sites like a proximal humerus fracture guiding accurate interventions and fostering clear communication among practitioners.
Question 5 of 5
The urinary system is responsible for:
Correct Answer: C
Rationale: The urinary system filters blood to remove waste and maintains fluid balance through urine production. Comprising kidneys, ureters, bladder, and urethra, it's distinct from endocrine or circulatory roles, focusing on excretion and homeostasis. Nurses monitor this system to manage conditions like dehydration, ensuring bodily stability through its regulatory functions.