The valve of the heart which can be isolated by auscultation at the right costosternal margin in the 2nd intercostal space is the ___.
a) aortic semilunar
b) right atrioventricular
c) pulmonary semilunar
d) left atrioventricular
Ans: c) pulmonary semilunar
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Spinal root directional terms are ________
A) Superior and inferior B) Distal and proximal C) Dorsal and ventral D) Anterior and posterior
Severe anemia may trigger an adaptive conversion of
A. yellow marrow to red marrow. B. red marrow to yellow marrow. C. spongy bone to compact bone. D. bone marrow to spongy bone.
This muscle extends across the inner surface of the thoracic cage and attaches to ribs 2?6. It helps depress the ribs.
A. External intercostal B. Scalene C. Transversus thoracis D. Internal intercostal E. Serratus posterior inferior
When it is cold, the ________ contracts and draws the testes closer to the body to keep them warm.
A. corpus cavernosum B. perineum C. cremaster muscle D. corpus spongiosum E. pampiniform plexus