Author Question: Temporary loss of consciousness caused by a blow to the head is called: A) coma. B) concussion. ... (Read 174 times)

tfester · **on:** Jun 27, 2018

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 · **Reply #1 on:** Jun 27, 2018

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.