Which of the following diagnostic procedures uses positively charged isotopes to image the brain's metabolically active tissues?
A) nerve conduction velocity
B) lumbar puncture
C) positron emission tomography
D) cerebral angiography
C
Explanation: Positron emission tomography uses positively charged isotopes to obtain an image of the brain. A nerve conduction velocity test measures how fast an impulse travels along a nerve. A lumbar puncture is a puncture with a needle into the lumbar area to withdraw fluid for examination and for the injection of anesthesia. Cerebral angiography is an X-ray of the blood vessels of the brain after the injection of radiopaque dye.
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As a park manager it's up to you to determine budgets for the upcoming year. You've noticed that at times, the park experiences greater use than others and you need to budget for supplies, maintenance, and personnel to match park usage. Based on past trends, when would you anticipate needing to increase your allocation of resources to accommodate increased usage?
A. During times of increased economic prosperity in the community. B. During times of economic downturn in the community. C. During the winter months when the days are shorter. D. Allocation of resources should be increased regardless of facility usage.
The extensor hallucis longus assists in inversion and dorsiflexion.
Answer the following statement true (T) or false (F)
The ________ system is responsible for sending and receiving messages from the sensory organs.
Fill in the blank(s) with the appropriate word(s).
The mature female egg cell is the
A. ovaries B. embryos C. ova D. fetuses