In the sodium-potassium pump: sodium and potassium both enter the cell sodium an

Question

In the sodium-potassium pump: sodium and potassium both enter the cell sodium and potassium both leave the cell potassium enters and sodium leaves the cell sodium enters and potassium leaves the cell. The movements of sodium and potassium depends on concentration differences. The reticular activating system is composed of neurons that are part of the reticular formation is a loose arrangement of neurons with many interconnecting synapse. functions in the brain stem and midbrain. functions to arouse the cerebral cortex to incoming sensory information. Is described correctly by all of these. Which of the following sensations is transmitted to the brain via the Thalamus? Gustatory Olfactory. Auditory Photo(vision) None of the above. Which of these may be produced by the action of nitric oxide? Dilation of blood vessels. Erection of the penis Relaxation of smooth muscles in the digestive tract. Long-term potentiation (LPT) among neighboring synapses in the

Explanation / Answer

Answers:

(27) The question is blurred and not readable.

(28) C

In sodium-potassium pump, sodium moves out and potassium moves in the cell against a concentration gradient.

(29) E

The RAS (Reticular activating system) is described correctly in all the options.

(30) D

Visual information from the eye reaches the brain via lateral geniculate nucleus of the thalamus which is specialized for processing visual signals.

(31) E

All the options regarding nitric oxide are correct.

(32) A

All sensory neurons are pseudounipoar except optic nerve, olfactory nerve which are bipolar.

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