Which vitamin undergoes significant enterohepatic circulation?
A) folate
B) niacin
C) thiamin
D) pyridoxine
Q. 2Karen Bauman is a 27-year-old employed in the cosmetic and fashion industry. Lately, she has reported feeling fatigued. She feels her long hours and hectic schedule are the main contributors. Her past medical history includes type 1 diabetes. She returns to her doctor due to abnormal lab results from her last physical. Ms. Bauman's doctor explains that she will need to ____.
A) control her blood glucose
B) have gastric bypass surgery
C) increase her alcohol intake
D) start TPN
Q. 3On a per-kcalorie basis, which food is richest in vitamin B6?
A) meats
B) fruits
C) legumes
D) grains
Q. 4Karen Bauman is a 27-year-old employed in the cosmetic and fashion industry. Lately, she has reported feeling fatigued. She feels her long hours and hectic schedule are the main contributors. Her past medical history includes type 1 diabetes. She returns to her doctor due to abnormal lab results from her last physical. Ms. Bauman is surprised to be diagnosed with fatty liver disease. Which laboratory value would you expect to be elevated?
A) potassium
B) triglycerides
C) albumin
D) essential fatty acids
Q. 5In what major way does alcohol intake affect vitamin B6 metabolism?
A) It reduces acetaldehyde formation.
B) It increases fecal excretion of the vitamin.
C) It dislodges the PLP coenzyme from its enzyme.
D) It interferes with synthesis of the PLP coenzyme.
Q. 6What test is used to study the number and shapes of red blood cells?
A) peripheral blood smear
B) hemoglobin
C) mean corpuscular volume
D) hematocrit
Q. 7The chief symptoms of early vitamin B6 deficiency include ____.
A) confusion and depression
B) muscle cramps and stiffness
C) profound fatigue and anemia
D) hyperactivity and shortness of breath
Q. 8Which type of anemia is characterized by failure of stem cells to develop into RBCs and may be due to immune disease, viruses, drugs and toxins, or genetic defects?
A) aplastic anemia
B) macrocytic anemia
C) hemolytic anemia
D) thalassemia
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