The blood is injected with a special dye that stains the areas where it passes through. Where in the brain and spinal cord would you expect to see the stain?
A. No stain would be found inside the cranium or vertebral column.
B. The space outside of the dura mater (between dura mater and bone) would be stained.
C. Any space occupied by the CSF would be stained.
D. The brain and spinal cord would be stained.
Answer: C
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Systolic blood pressure is recorded
A. in arteries and is the minimum pressure that is recorded during ventricular relaxation. B. in arteries and is the maximal pressure that is recorded during ventricular contraction. C. in veins and is the maximal pressure recorded during atrial contraction. D. in veins and is the minimum pressure recorded during atrial relaxation. E. in both arteries and veins and is the maximum pressure recorded during diastole of the heart.
The organelles that provide 95% of the body's energy are ________.
A. ribosomes B. mitochondria C. adenosines D. cytoplasm
Acne is caused by
A. testosterone. B. abnormal keratinization of hair follicles. C. Propionibacterium. D. sebum. E. All of the choices are correct.
The most common bone disease is ________.
A. rickets B. osteomyelitis C. osteosarcoma D. osteoporosis E. osteomalacia