Lymphocytes are
a. polymorphonuclear granulocytes
b. the most abundant type of leukocyte
c. produced in lymphoid organs as well as in the bone marrow
d. both a and b
e. all of the above
C
You might also like to view...
Which is not an involuntary part of the swallowing reflex?
A. The epiglottis closes off the top of the trachea. B. The tongue rolls chewed food into a bolus and pushes it to the oropharynx. C. Muscles pull the pharynx upward toward the food. D. The tongue presses against the uvula and soft palate.
To maintain a resting membrane potential, the sodium-potassium pump
A. actively transports 3 sodium ions out of the cell and 2 potassium ions into the cell. B. passively transports 3 sodium ions out of the cell and 2 potassium ions into the cell. C. actively transports 3 potassium ions out of the cell and 2 sodium ions into the cell. D. passively transports 3 potassium ions out of the cell and 2 sodium ions into the cell.
The thalamus, hypothalamus, and epithalamus are derivatives of which embryonic structure?
A. Telencephalon B. Diencephalon C. Mesencephalon D. Metencephalon E. Myelencephalon
Label T represents which of the following structures?
A) renal papilla
B) renal columns
C) renal cortex
D) major calyx
E) minor calyx