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67. consists of the hypothalamus, thalamus, retina, and epithalamus. a telenceph

ID: 3518158 • Letter: 6

Question

67. consists of the hypothalamus, thalamus, retina, and epithalamus. a telencephaon b. diencephalon c mesencephalon d. myelencephalon is th e awareness of changes in the internal and external environments a Sensation b. Perception c. A reflex arc d. A learned reflex 69. Which of these effectors is not directly controlled by the autonomic nervous system? a smooth muscle b cardiac muscle c. skeletal muscle d. most glands 70. In an action potential, is due to the opening of the voltage-gated sodium channels allowing Na" to rush into the cell. a resting state b. depolarization c. repolarization d. hyperpolarization PART II. MATCHING: Write the correct letter in the blank to the left of the number. Each nswer is worth 2 points. A. Cranial nerve X that innervates the visceral 1. Ofactory nerve organs, such as stomach and liver -2. Vagus nerve B Cranial nerve VII that transmits impuses for 3. Optic nerve the sense of hearing and equilibrium C. Cranial nerve I that carries impulses for the 4. Trigeminal nerve sense of smell 5. Vestibulocochlear nerve D. Cranial nerve V that carries impulses from tha scalp, eyelid, teeth, and nose E. Cranial nerve Il that carries impuises for vsion

Explanation / Answer

67. The diencephalon consists of structures that are either side of third ventricle which include thalamus, hypothalamus, retina, epithalamus.Answer is b.

68. The sensation can predict changes in internal and external environments.The answer is a.

69. Skeletal muscle is not directly controlled by autonomic nervous system. The answer is c.

70. The answer is b. Depolarization allows Na to rush into the cell.

Part II : 1- C, 2- A, 3-E, 4-D, 5-B