Between the arachnoid mater and pia mater is an area called the ________ space, which contains cerebrospinal fluid (CSF) to cushion the CNS.

Uterine bleeding at a time other than the monthly cycle

A) salpingitis
B) presbyopia
C) pyuria
D) metrorrhagia
E) choledolithotomy
F) nephrolithiasis
G) atherosclerosis
H) electroencephalogram
I) oropharyngeal
J) hypoxia

​The most plentiful antibody.It coats microorganisms in the tissues to speed up the uptake by other immune system cells.It carries out both antibacterial and antiviral activity.It can cross the placenta barrier

A) ​IgA
B) ​IgD
C) ​IgE
D) ​IgG
E) ​IgM

Letter D on the figure of the digestive system represents the ________.

​The regular chart has letters arranged in rows from largest to smallest

A) Snellen chart
B) Jaeger system
C) Ishihara method