A sample of food is put into a bomb calorimeter and its caloric content is measured. The final measurement reads 100 (large) Calories. How many joules of energy does this food contain?
A. 418.4 joules
B. 4,184 joules
C. 100,000 joules
D. 4.184 joules
Answer: A
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Which of the following stimuli is detected by a chemoreceptor?
A) increased blood pressure B) decreased blood oxygen concentration C) vasodilation of arterioles D) stretch in the walls of arteries
Which of the following statements about the functions of the paranasal sinuses is false?
A) They provide an extensive area of mucous epithelium. B) They make skull bones lighter. C) The mucus they secrete enters the nasal cavities. D) They support cilia that move the mucus. E) They create a protected space for blood vessels and nerves.
These figures show the coxal joint. What structure does number 6 indicate?
A. Ischiofemoral ligament B. Iliofemoral ligament C. Articular capsule D. Ligament of head of femur E. Acetabular ligament
Define idiopathic
What will be an ideal response?