Which of the following may indicate either cardiac tamponade or tension pneumothorax?
A) Cushing's reflex
B) Hypertension
C) Subcutaneous emphysema
D) Distended neck veins
Question 2
Causes of permanent vision loss include all of the following EXCEPT:
a. glaucoma. c. cmv infection.
b. diabetic retinopathy. d. corneal abrasion.