All of the following are functions of the mucous membrane lining of the sinuses except which one?
A. Give resonance to voice
B. Fill the sinus with air
C. Warm the air
D. Moisten the air
Answer: B
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While dining out in a restaurant a man suddenly chokes on a piece of meat. The waitress is also a student nurse and comes to the man's aid. She asks him if he can talk. The man responds by shaking his head no and grabbing at his neck. What is the significance of the man's inability to talk?
What will be an ideal response?
Label D represents which of the following structures?
A) uterine tube
B) fornix
C) pubic symphysis
D) ovary
E) uterus
The outermost layer of the blastocyst, the trophoectoderm, is responsible for accomplishing implantation
Indicate whether the statement is true or false
During the time period immediately following an action potential, a neuron can produce another action potential only ________
A) if the neuron is stimulated again normally B) when the neuron remains very permeable to Na+ C) if the neuron receives an especially strong stimulus D) when the neuron is impermeable to K+