Q- Which one of the following parts of lymph nodes has T lymphocyte as the predominate cell?
A-Cortex
B- Germinal center
C- Medulla
D- Paracortex
D- Paracortex- The cortex is composed of primary and secondary follicles, the germinal center contains B lymphocytes and the medulla contains plasma cells and small lymphocytes.
Q- Which of the following layers of the heart forms the cardiac valves and continues with the intima of the aorta?
A- Endocardium
B- Epicardium
C- Myocardium
D- Pericardium
A- Endocardium- The endocardium lines the lumen of the heart, forms the valves and continues as the intima of the great vessels entering and leaving the heart.
Q- Which of the following types of cells predominantly lines the conducting airways of the lung and is considered an important defense mechanism?
A- Basal cells
B- Ciliated cells
C- Endocrine cells
D- Goblet cells
B- Ciliated cells- All these cells are present in the conducting airways but the ciliated cell is the primary defense mechanism against bacteria and other foreign bodies.
Dear Dr. There is no mistake in medicine. We are all trying to figure things out. Thanks so much Dear Dr.
Thank you sir,i understood iliofemoral and genitofemoral
Accepted my mistake
I will post more everyday. Thank you
Wow
More please