13. The sleep/wake cycle is influenced by the A. basal nuclei. B. reticular form

Question

13. The sleep/wake cycle is influenced by the A. basal nuclei. B. reticular formation. C. vermis. D. thalamic nuclei. E. cerebellum. 14. The stalk that connects the hypothalamus to the hypophysis (or pituitary gland) is the A. corpus callosum. B. infundibulum. C. insula. D. intermediate mass. E. arbor vitae. 15. Which of the following is NOT a function of the cerebellum? A. coordinate control of voluntary movements B. help in the maintenance of muscle tone C. control the heart rate D. control skeletal muscles to maintain balance E. control of posture, locomotion, and fine motor coordination. 16. Smooth, flowing movements are the result of fine motor coordination in the A. anterior vermis. B. cerebellar peduncles. C. lateral cerebellar hemispheres. D. flocculonodular lobe. E. arbor vitae. 17. The mammillary bodies A. influence breast milk production. B. produce reproductive hormones C. are involved in emotional responses to odors. D. are found in the thalamus. E. influence the onset of puberty. 18. The central sulcus separates the A. two parietal lobes. B. frontal and parietal lobes. C. occipital and temporal lobes D. temporal and frontal lobes. E. parietal and occipital lobes.

Explanation / Answer

Hi Answer:

13. The sleep/wake cycle is influenced by

Answer: Option B (Reticular formation)

Explanation: Reticular formation is set of interconnected nuclei which are located all over the brain. It controls the sleep. Wake cycle but t is not anatomically well defined.

14. The stalk that connects the hypothalamus to the hypophysis is the

Answer: Option B (infundibulum)

Explanation: Infundibulum is also known as pituitary stalk. It connects the hypothalamus to the hypophysis.

15. Which of the following is not a function of the cerebellum

Answer: Option C (controls the heart rate)

Explanation: Is the part of the human brain which is responsible for the human movement, coordination, motor control and sensory perception. The heart rate and blood pressure is controlled by the brain stem not by the cerebellum.

16. Smooth flowing movements are the results of fine motor coordination in the

Answer: Option C (lateral cerebellar hemispheres.)

Explanation: lateral cerebellar hemispheres is the part of the cerebellum. It has two surfaces, superior and inferior. It controls the smooth movements in an individual.

17.The mammillary bodies

Answer: Option C (are involved in emotional responses to odors)

Explanation: The mammillary bodies are the pair of small round bodies located on the undersurface of the brain. They are located at the ends of the anterior arches of the fornix. Their function is to controls the emotional responses and smelling capacity of individual.

18. The central sulcus separates the

Answer: Option B (frontal and parietal lobes)

Explanation: The central sulcus is a deep groove in the brain that separates the frontal lobe from the parietal lobe of the cerebrum.

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