Predict how a blockage in the common carotid artery affects blood flow
What will be an ideal response?
Blood flow to the head, face, and brain would be affected if the common carotid artery becomes blocked. The majority of the arterial supply to the head and neck comes from the right and left common carotid arteries, although the subclavian arteries provide contributions as well. The common carotid arteries split into two branches: the external carotid artery, which supplies the superficial structures of the head and face, and the internal carotid artery, which supplies the brain.
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Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as ________.
A) diabetes mellitus B) cellular inhibition C) down-regulation D) metabolism of protein kinases
Which of the following was able to detect pressure?
A) olfactory receptor B) Pacinian corpuscle C) free nerve ending D) the Pacinian corpuscle and the free nerve ending
The second cranial nerve forms a chiasma at the base of the brain for partial crossover of neural fibers
Indicate whether the statement is true or false
The mucosa of the colon
A. actively secretes Na+ and Cl?. B. produces enzymes that complete lipid digestion. C. contains many mucus-secreting goblet cells. D. exchanges Na+ for Cl?. E. consists of stratified columnar epithelium.