Cardiovascular — Flashcards

In the fetal period, the ductus arteriosus acts as a(n) _____-to-_____ shunt

Myeloid stem cells may differentiate into _____, which mature into granulocytes

Hypothalamic control of spermatogenesis and testosterone secretion are regulated via the hormone _____

The seminal vesicles secretes a fluid rich in _____, citrate, prostaglandins, and fibrinogen, which are nutritive for the ejaculated sperm

Closure of the ductus arteriosus occurs in response to increased _____ and decreased PGE (from respiration and placental separation, respectively)

During muscle contraction: - the _____ and _____ bands, and distance between Z bands, are shortened - the A band remains the same length

Vagal stimulation is a potent direct activator of parietal cells (H+ secretion) via binding of the neurotransmitter _____ to M3 receptors

In paradoxical splitting, the split sound is "paradoxically" eliminated with _____

Interstitial fluid may enter, but not leave, the lymph vessels due to _____

What type of blood vessel contains the largest percentage of blood in the cardiovascular system? _____