Andres has a parathyroid hormone deficiency. He first approached the doctor because he was experiencing ________ and the early blood tests found that he had ________.
A. decreased muscular excitability; high plasma calcium levels
B. increased muscular excitability; high plasma calcium levels
C. increased muscular excitability; low plasma calcium levels
D. frequent bones breaks; high plasma calcium levels
E. decreased muscular excitability; low plasma calcium levels
Answer: C
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Which of the choices below is not a factor required for target cell activation by hormone receptor interaction?
A) blood levels of hormone B) type of hormone C) number of receptors for that hormone D) strength of the bond between the receptor and hormone
When an action potential is over and the membrane has returned to resting potential, the voltage-gated sodium channel:
a. is closed and not capable of opening b. is closed and capable of opening c. is open d. open and not capable of closing e. two of these answers.
The effect of oxygen on hemoglobin-carbon dioxide binding is known as the __________
Fill in the blank with the correct word.
Using Figure 7.2, match the following:
1) Nasal septum.
2) Turbinate bone.
3) Orbital area.
4) Olfactory bulb sits on this.
5) Nasal concha.
6) Rooster's comb.