Approximately 55% of whole blood is:
A) RBCs (erythrocytes)
B) WBCs (leukocytes)
C) cells (RBCs
D) plasma
Ans: D) plasma
You might also like to view...
The structure that houses the pituitary gland is called the
A) greater wing. B) dorsum sellae. C) crista galli. D) lesser wing. E) sella turcica.
An enzyme produced by the kidneys that is important for the regulation of blood pressure and blood volume is
A) thyroxine. B) bilirubin. C) renin. D) angiotensin I. E) thymosin.
Acetylcholinesterase, monoamine oxidase (MAO), and catechol-O-methyltransferase are
A) neurotransmitters. B) enzymes that break down neurotransmitters. C) enzymes that act as neuromodulators. D) enzymes that could produce an EPSP. E) substances that could produce an IPSP.
The study of the structural features and functions of the cell is ________.
A. histology B. molecular biology C. cytology D. microbiology E. surface anatomy