During concussion (a type of traumatic brain injury) the brain will move within the cranial cavity. Damage is caused to the brain as it crashes into parts of the bony cavity walls
Ironically one of the bone markings that can cause serious damage to the brain is the ________. This is ironic because one of the functions of this bone marking is to ________.
A) perpendicular plate; separate the left and right halves of the nasal cavity
B) pterygoid processes; anchor important chewing muscles
C) styloid process; attach to and support the hyoid bone
D) crista galli; attach to the dura matter holding the brain in place
D
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Saltatory conduction of a nerve impulse occurs only along myelinated axons.
Answer the following statement true (T) or false (F)
Molecules that have properties of both polar and nonpolar molecules are called
A. hydrophobic. B. amphipathic. C. hydrophilic. D. unipolar. E. bipolar.
A transplant recipient rejects a transplanted organ because her ________ does not match that of the donor closely enough.
A. cytokine profile B. mononuclear phagocytic system C. major histocompatibility complex D. antibody response
Which of the following would not require a carrier?
a. Movement of potassium into the cell b. Movement of sodium into the cell c. Iodine uptake by thyroid gland cells d. Glucose uptake by body cells e. None of the above would require a carrier.