21. All of the following are characteristics of the posterior pituitary gland EX

Question

21. All of the following are characteristics of the posterior pituitary gland EXCEPT A. composed of nervous tissue B. located at the back portion of the pituitary gland C. secretes oxytoxin D. produces oxytoxin E. secretes aldosterone 22. In Oogenesis, Meiosis II occurs A before birth B. before puberty C. during puberty D. after ovulation E right before fertilization of the brain that allows us to 23. The nerve innervates the listen. D. auditory, parietal lobe A auditory, temporal lobe B. cranial, temporal lobe C optic nerve, occipital lobe E cranial, parietal lobe 24. When Antidiuretic hormone (ADH) is stimulated A regulates Na+ recovery in the proximal convoluated tubule (PCT) B. regalates Na+ recovery in the loop of henle C. aquaporin channels transports water across the membrane of the loop of henle D. agaporin channels transports water across the membrane of the collecting dact E. aquaporin channels transports Na+ across the membrane of the collecting duct 25. The acrosome contains enzymes that are used to A Penetrate barriers of the epididymis B. dissolve the corps lann ofthe egg C. penetrate burriers surrounding the egg D. penctrate the follicles surround the egs E release out of the urethra TRUE A FALSE B The pons is above the medulla oblongata, and the cerebellum is a ventral the pons. Nodes of Ranvier contains the voltage gated channels for Na+ and K+ Homan chorionic gonadotropin (HCG) stiulates the corpus Iuteum to grow and secrete estrogem and progesterone. 29. All 3 neuroms are part of the Central Nervous System 30. Progesterone levels are increased during the menstrual phase. Epinephurine is released in the Parasympathetic Nervous System. 32. 33. Excess water in the body is released out of the collecting dact Myelin Sheath increases the rate of a signal passing through a neuron.

Explanation / Answer

Please find the answers below:

Answer 21: Choice A (Posterior pituitary contains only nerve endings, not complete nervous tissue structurally)

Answer 22: Choice C (Oogenesis of formation of ovum takes place during puberty)

Answer 23: Choice A (Auditory nerves are localized in the temporal region near the lateral side of the skull)

Answer 24: Choice E (The anti-diuretic hormone activates the aquaporin channels in the distal part of loop of Henle to enhance the sodium ion retention/recovery. In response to it, the water reabsorption also increases to maintain the salinity and osmolality)

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