If a drop of blood is located in the left ventricle, through what structure will it next pass?

What will be an ideal response?


Aortic semilunar valve

Anatomy & Physiology

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Regarding muscle fiber elongation,

A) many active mechanisms exist for muscle fiber elongation. B) muscle contraction is passive; whereas, elongation is active. C) opposing muscle movements are not a factor. D) gravity may help lengthen a muscle fiber after elongation. E) elastic forces are generated where a muscle fiber elongates.

Anatomy & Physiology

Which of the following occurs in Cheyne-Stokes respiration?

A. Alternating deep, labored breathing and apnea B. Deep inspiration C. Deep, labored breathing followed by eupnea D. Sudden, forceful expiration

Anatomy & Physiology

What appears to have a significant role in the loss of kidney function with age?

A. The renal pelvis narrows B. The juxtaglomerular apparatus hypertrophies C. Kidneys swell in size D. Glomeruli degenerate

Anatomy & Physiology

The MHC class I antigen complex displays a foreign antigen on the cell surface. This prompts the immune system to destroy

A. B cell clones. B. extracellular antigens. C. the displaying cell. D. mature red blood cells. E. the virus inside the cell, but not the cell.

Anatomy & Physiology