Question

What happens when pressure inside ventricles rises above the pressure in pulmonary trunk of human heart?


AV valves open

Semilunar valves close

Both the AV and semilunar valves open

Semilunar valves open​

Answer 1

Question

• What happens when pressure inside ventricles rises above the pressure in pulmonary trunk of human heart?

Answer

• Both the AV and semilunar valves open

Answer 2

Answer:

ᴀs ᴘʀᴇssᴜʀᴇ ɪɴ ᴛʜᴇ ᴠᴇɴᴛʀɪᴄʟᴇs ʀɪsᴇs ᴀʙᴏᴠᴇ ᴛᴡᴏ ᴍᴀᴊᴏʀ ᴀʀᴛᴇʀɪᴇs, ʙʟᴏᴏᴅ ᴘᴜsʜᴇs ᴏᴘᴇɴ ᴛʜᴇ ᴛᴡᴏ sᴇᴍɪʟᴜɴᴀʀ ᴠᴀʟᴠᴇs ᴀɴᴅ ᴍᴏᴠᴇs ɪɴᴛᴏ ᴛʜᴇ ᴘᴜʟᴍᴏɴᴀʀʏ ᴛʀᴜɴᴋ ᴀɴᴅ ᴀᴏʀᴛᴀ ɪɴ ᴛʜᴇ ᴠᴇɴᴛʀɪᴄᴜʟᴀʀ ᴇᴊᴇᴄᴛɪᴏɴ ᴘʜᴀsᴇ. ғᴏʟʟᴏᴡɪɴɢ ᴠᴇɴᴛʀɪᴄᴜʟᴀʀ ʀᴇᴘᴏʟᴀʀɪᴢᴀᴛɪᴏɴ, ᴛʜᴇ ᴠᴇɴᴛʀɪᴄʟᴇs ʙᴇɢɪɴ ᴛᴏ ʀᴇʟᴀx (ᴠᴇɴᴛʀɪᴄᴜʟᴀʀ ᴅɪᴀsᴛᴏʟᴇ), ᴀɴᴅ ᴘʀᴇssᴜʀᴇ ᴡɪᴛʜɪɴ ᴛʜᴇ ᴠᴇɴᴛʀɪᴄʟᴇs ᴅʀᴏᴘs.