ATI RN
Anatomy And Physiology Nutrition And Metabolism Questions Quizlet Questions
Question 1 of 5
The basic functional unit of the nervous system is the
Correct Answer: A
Rationale: The neuron is the fundamental unit of the nervous system, responsible for signal transmission.
Question 2 of 5
A brain hemorrhage is life-threatening because
Correct Answer: D
Rationale: All listed consequences (neurological changes, lack of blood flow, unconsciousness, and pressure damage) make brain hemorrhages life-threatening.
Question 3 of 5
Why is it important to include cellulose in a healthy diet even though we do not digest it?
Correct Answer: B
Rationale: Cellulose provides fibre, aiding elimination , as per the text; it's not digested for energy , muscle , or vitamins .
Question 4 of 5
MAKE CONNECTIONS Which B vitamin requires the help of a product made in the stomach to be absorbed? What is that gastric product and which cells in the gastric mucosa secrete it? What part of the small intestine ultimately absorbs this B vitamin? Lack of this B vitamin causes what kind of anemia?
Correct Answer: B
Rationale: Vitamin B12 needs intrinsic factor from parietal cells, absorbed in the ileum, and its lack causes pernicious anemia ; others mismatch vitamin, product, or anemia.
Question 5 of 5
What happens in glycolysis if oxygen and pyruvic acid are absent and NADH + H⺠cannot transfer its cargo of hydrogen to pyruvic acid?
Correct Answer: B
Rationale: glycolysis stops if NAD⁺ is limited and NADH can't unload hydrogen ; it doesn't continue , pyruvic acid isn't the issue , ATP doesn't increase .