Which of the following statements regarding a cerebral concussion is correct?
A) A cerebral concussion is a moderate focal brain injury.
B) Concussions are usually not associated with structural brain injury.
C) Prolonged loss of consciousness is common with a cerebral concussion.
D) A concussion results in permanent dysfunction of the cerebral cortex.
Ans: B) Concussions are usually not associated with structural brain injury.
You might also like to view...
The process by which most of the material in the nephron moves back into the blood is called ________
A) Secretion B) Filtration C) Micturition D) Reabsorption
Which of the statements below is an incorrect or false statement?
A) Transfusion of incompatible blood can be fatal. B) Unique to the ABO blood group is the presence in the plasma of preformed antibodies. C) Blood typing for the Kell, Lewis, and Duffy factors is always done before a blood transfusion. D) When a transfusion reaction occurs, the oxygen-carrying capacity of the transfused blood cells is disrupted and the clumping of RBCs in small vessels hinders blood flow to tissues beyond those points
What type of leukocyte secretes heparin?
A) lymphocyte B) monocytes C) basophils D) neutrophils E) eosinophils
Homeostasis depends on the activity of body systems to adjust a variable. Because our bodies work so well to maintain variables at set point, we often do not even notice the systems they use to do it. But in someone who is ill, these systems may not be able to maintain homeostasis; you need to be aware of this to head off possible problems.