Ella sweats out fluids on a hot, dry day without realizing she is losing heat and fluids insensibly. Determine which heat transfer mechanism occurs when Ella sweats
A) conduction B) radiation C) convection D) evaporation
Answer: D
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During the relative refractory period of an action potential, a larger than normal stimulus is needed to cause another action potential. This is due to the fact that ________
A) the voltage gated potassium ion channels remain open long enough to hyperpolarize the axon membrane B) the membrane is now impermeable to all ions C) the sodium potassium pump will stop working during relative refractory D) the inactivation gates on voltage gated sodium ion channels are closed
Treponema pallidum causes the sexually transmitted disease called ________
Fill in the blanks with correct word
Using Figure 17.2, match the following:
1) Atrial depolarization.
2) Point after which pressure begins to rise in the aorta.
3) Ventricular repolarization.
4) Point that represents the "dup" sound made by the heart.
Which of the following is used to promote Na+ reabsorption by the kidneys?
a) Antidiuretic hormone b) ANP c) Aldosterone d) Parathyroid hormone e) All of these choices