You examine a comatose patient in the emergency room. His wife relates that her husband was struck accidentally in his "temple" by a baseball. After an initial period of unconsciousness, he seemed to be okay but later became drowsy and comatose
You suspect that the patient is suffering from:
A) an extradural (epidural) hematoma caused by a laceration of a branch of the middle meningeal artery.
B) a subdural hematoma caused by a laceration of a branch of the middle meningeal artery.
C) an extradural (epidural) hematoma caused by a laceration of the transverse venous sinus.
D) a subdural hematoma caused by a laceration of a branch of the transverse venous sinus.
E) a subarachnoid hemorrhage caused by a laceration of the internal carotid artery.
Ans: A
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A. stimulate osteoclasts to resorb bone and release calcium into the blood. B. stimulate osteoblasts to resorb bone and lower blood calcium levels. C. stimulate osteoblasts to deposit bone by producing calcified matrix. D. stimulate osteoclasts to move calcium from the blood and into the bone.
A hemisection of the spinal cord damaging the posterior funiculus-medial lemniscal pathway would result in this loss:
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Helpful, nonharmful bacteria live in
A. the urinary bladder. B. the mouth. C. the intestine. D. both intestine and mouth.
Blood return to the heart through the veins is aided by
A. precapillary sphincters. B. skeletal muscle and respiratory pumps. C. a blood pressure difference from arteries to the capillaries. D. All apply.