Which nutrient is essential for adequate hemoglobin production?
A. Iron
B. Magnesium
C. Iodine
D. Vitamin E
E. Vitamin B
Answer: A
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During muscle contraction, myosin crossbridges bind to active sites on:
A) troponin. B) tropomyosin. C) actin. D) T-tubules.
How many skeletal muscles are there in the body?
A) approximately 80 B) approximately 126 C) approximately 200 D) approximately 700 E) approximately 1500
A person who is hypothyroid would be expected to:
A. have an increased basal metabolic rate. B. have reduced tolerance for cold temperatures. C. lose body weight. D. be restless and irritable. E. have symptoms similar to over-activation of the sympathetic nervous system.
This figure illustrates epiphyseal plate morphology. What type of tissue is found in Zone 1?
A. Dense irregular connective tissue B. Fibrocartilage C. Osseous tissue D. Adipose tissue E. Hyaline cartilage