ATI RN
Nutrition And Metabolism Test Questions Questions
Question 1 of 5
The ___ nervous system is composed of the brain and spinal cord.
Correct Answer: C
Rationale: The central nervous system (CNS) consists of the brain and spinal cord.
Question 2 of 5
After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the ___ lobe.
Correct Answer: B
Rationale: The left frontal lobe's motor cortex controls the right side of the body, so damage there could impair right arm movement.
Question 3 of 5
Vitamins are not used for energy fuels. What are they used for?
Correct Answer: B
Rationale: Vitamins act as coenzymes for metabolic reactions , per text; they don't build muscle , produce hormones , or store energy .
Question 4 of 5
What is the energy source for the proton pumps of oxidative phosphorylation?
Correct Answer: B
Rationale: energy from food fuel oxidation powers proton pumps ; not just glucose , fatty acids , or proteins .
Question 5 of 5
DRAW In the drawing of a cell and mitochondrion below, label the inner mitochondrial membrane, the outer mitochondrial membrane, the intermembrane space, and the matrix of the mitochondrion. Point to a location where each of the following processes takes place: glycolysis, citric acid cycle, oxidative phosphorylation. Identify the region where you would find the lowest pH.
Correct Answer: A
Rationale: Glycolysis is in the cytoplasm, citric acid cycle in the matrix, oxidative phosphorylation at the inner membrane, with lowest pH (most Hâº) in the intermembrane space , per text note.