A typical embryonic atrial defect in the heart leads to enlargement of the right side of the heart.
Indicate whether the statement is true or false.
Answer: True.
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Collagenous and elastic fibers of the ________ make it possible for the skin to flex with movement of the body.
A. dermis B. subcutaneous C. epidermis D. fascia
If the arterial blood pressure in the brain is suddenly decreased, the flow through arterioles in the brain will immediately fall and then which of these will occur next?
A. Brain arterioles will constrict to accelerate blood flow through the brain capillaries. B. Brain arterioles will dilate due to a decrease in levels of CO2. C. Blood flow will remain at the new, lower level due to reactive hyperemia. D. Blood flow will rise to levels above normal due to excess O2 levels. E. Blood flow will return toward its original level due to flow autoregulation.
When the load to be lifted increases in weight, the latent period _______
A) decreases and disappears B) increases C) remains unchanged D) decreases
The portion of hipbone a person sits on is the
A. iliac fossa. B. symphysis pubis. C. sacroiliac joint. D. ischial tuberosity. E. anterior superior iliac spine.