Joey develops a medical condition that decreases his blood viscosity. Assuming no other change (e.g., no compensatory reflex), what happens to his blood pressure?
What will be an ideal response?
decreased
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When diagramming an atom, the innermost shell is filled with ______ electrons.
A. two ?B. six ?C. eight ?D. ten
Bones of the skull that articulate with the zygomatic bone include (the)
A) sphenoid. B) temporal bone. C) frontal bone. D) maxillary bone. E) All of the answers are correct.
In a condition called incontinentia pigmenti, the skin has deep dark splotches, due to
melanin that seeps down into the dermis. Normally, melanin is confined to the A) papillae. B) epidermis. C) basement membrane. D) hair.
A toxin released by the anaerobic bacterium Clostridium botulinum causes the food-borne illness known as botulism, which inhibits the release of ACh at the neuromuscular junction. What effect does this have on a person infected with the bacterium?
A. It disrupts the balance between ACh and acetylcholinesterase, leading to spastic contractions. B. The brain compensates by producing more ACh, limiting the illness to only a few hours. C. The jaws are most affected, and it results in "lockjaw." D. It causes flaccid paralysis, and if it affects the respiratory muscles, can result in death. E. Problems only result when the individual has low immunity.