Doctors use stethoscopes to hear the sound produced during each cardiac cycle. The second sound is heard when
A. AV nodes receives signal from SA node
B. All valves open up
C. Ventricular walls vibrate due to gushing in of blood from atria
D. Semilunar valves close down after blood flows into vessels from ventricles
Select your answer:
Topics:
Communicable Diseases and Immune Response (OCR) Prokaryotic Cells and Viruses CPR Human Excretory System Immune Response Agents of Disease Skin Growth Microbes Cell Reproduction Health and Wellness Nutrition Human Brain Dyslexia Muscular System Movements The BloodOther quiz:
Skeletal System › ViewThe shape classification of bones that are longer than wide, like those in the limbs and fingers.
A. long bones
B. short bones
C. osteo bones
Healthcare Systems and Insurance › View
Medicare is funded by the …
A. state and federal government
B. federal government only
C. state government only
D. employer