Temporary loss of consciousness caused by a blow to the head is ...

[tfester]

Temporary loss of consciousness caused by a blow to the head is called:
 
  A) coma.
  B) concussion.
  C) chorea.
  D) dementia.

Question 2

Ballooning or widening of a weak portion of an artery is known as:
 
  A) hemangioma.
  B) mitral stenosis.
  C) aneurysm.
  D) ischemia.

[nyrave]

Answer to Question 1

B
Explanation:
A) Coma is an unconscious state from which the person cannot be awakened.
B) Correct.
C) Chorea is a disorder of involuntary movement.
D) Dementia is a degenerative brain disorder.

Answer to Question 2

C
Explanation:
A) Hemangioma is a tumor of blood vessels.
B) Mitral stenosis is abnormal narrowing of the mitral valve.
C) Correct.
D) Ischemia is lack of oxygen due to deficient blood flow.

[tfester]

Excellent

[xoxo123]

Gracias!