Gap junctions are formed by
A) Groups of 8-12 connexons making a pore in one cell.
B) Groups of 4-6 innexins or connexins forming a pore in one cell.
C) Connexons from adjacent cells connecting with each other to form a cytoplasmic bridge.
D) Both A and C
E) Both B and C
Answer: E
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The cerebellum and pons develop from the
A) telencephalon. B) diencephalon. C) mesencephalon. D) metencephalon. E) myelencephalon.
When voltage-gated K+ channels open on the conductive segment of a neuron,
A. potassium exits, repolarizing the cell to a negative value. B. potassium exits, depolarizing the cell to an even more negative value. C. potassium enters, depolarizing the cell to a positive value. D. potassium enters, repolarizing the cell to a negative value. E. potassium enters, repolarizing the cell to a positive value.
The cartilaginous flap that closes the trachea during swallowing is called the ________.
Fill in the blank(s) with the appropriate word(s).
Which test would a health practitioner use to determine whether a patient has conductive or sensorineural hearing loss?
A) Ishihara test B) Romberg test C) Weber and Rinne tests D) Snellen test