Cardiovascular — Flashcards

Where in the heart is conduction velocity the slowest?_____

Thyroid hormones stimulate bone _____ as a result of ossification and fusion of the growth plates

Oxytocin causes contraction of _____ in the breast, forcing milk stored in the mammary alveoli into the ducts for ejection

In the brain, histamine may regulate sleep and arousal via its _____ receptor

What is the effect of estrogen on sex hormone-binding globulin (SHBG) levels?_____

During the follicular phase of the menstrual cycle, progesterone levels are _____

In muscle contraction, the _____ is the pivoting of the myosin head that pulls the actin filament, triggered by the release of ADP and Pi.

In addition to VIP, what other GI regulatory substance causes relaxation of smooth muscle and sphincters?_____

Endothelial cells prevent thrombosis by secreting _____, which converts plasminogen to plasmin

The _____ hypothalamus senses elevated body temperatures and mediates responses to dissipate heat