A reflex that occurs when a person dives into cold water in which his breathing is inhibited, his heart rate becomes bradycardic, and vasoconstriction occurs is known as the:
A) diving reflex.
B) mammalian diving reflex.
C) submersion reflex.
D) mammalian submersion reflex.
Question 2
You have been called for a 28-year-old male with a history of behavioral problems. He responds to painful stimuli with garbled speech. His airway is patent, but breathing is inadequate. His radial pulse is rapid and skin cool and moist. He has crackles at the bases of both lungs and the following vital signs: pulse 108, respirations 6, blood pressure 98/64, and SpO2 92. A friend informs you that he thinks that he drank a considerable amount of antifreeze, possibly up to 12 hours ago, in a suicide attempt. The first thing you should do is:
A) start positive pressure ventilation.
B) call poison control.
C) look for confirmation that the antifreeze was ingested.
D) administer activated charcoal.
The Moro Reflex
Maya Lin, Disappearing Bodies of Water: Arctic Ice.
Mechanisms That Lift Air: Cold front example
Ice, liquid water, and water vapor
The Distribution of Water on Earth
Water Molecule