252_practice_1

252_practice_1 - Human Physiological Anatomy II February...

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Unformatted text preview: Human Physiological Anatomy II February 10, 2006 MVSC 252 Exam 1 Test Code: ________ Instructions: There are 48 multiple choice questions, each worth 2.5 points, for a total of 120 points. Make sure you have the entire exam before you begin. Remember to put your name and TEST CODE on your answer sheet. Multiple Choice. Choose the one word or phrase which best answers the question or completes the statement. Place these answers on the SCANTRON. At the end of the exam turn in your scantron in the box for your test code at the front of the room. 1) With respect to glucagon vs insulin, which of the following statements is TRUE? A) Insulin is released when blood glucose levels are low. B) Glucagon is released when blood glucose levels are high. C) Insulin is produced in beta cells of the pancreatic islets. D) The release of insulin is directly controlled by ACTH. E) Glucagon levels are low in between meals. 2) The infundibulum contains: I. cell bodies that synthesize hormones II. nerve tracts that transport hormones III. blood vessels that transport hormones IV. axon terminals (terminal boutons) that release hormones A) I and IV only B) II and III only C) I, II, and III only D) IV only E) II, III, and IV only 3) Hormones typically are NOT: A) nucleic acid derivatives B) synthesized from proteins C) a glycoprotein D) a lipid derivative E) a cholesterol derivative 1 4) In the following diagram, the area indicated by the arrow would transmit the sense of taste via the: A) vagus nerve B) trigeminal nerve C) facial nerve D) glossopharyngeal nerve E) hypoglossal nerve 5) Contraction of the ciliary muscles of the eye: A) causes the lens to become more ball- shaped B) increases tension on the suspensory ligaments C) causes the pupil to constrict D) causes the cornea to relax and become flatter E) causes a head- turning reflex which focuses light rays onto the fovea centralis 6) With respect to the visual system, which of the following statements is TRUE? A) Membranous disks containing rhodopsin are found in cell bodies of rods. B) Na + channels are normally closed in rods and cones that are at rest. C) Bleaching is the synthesis of rhodopsin from opsin and retinal. D) Transduction of light in the eye is completed when the rods and cones become hyperpolarized. E) The ganglion and bipolar cells can transduce photons of light into action potentials. 2 7) __________ is synthesized in the hypothalamus and directly stimulates the anterior pituitary gland. A) Anti- diuretic hormone (ADH) B) Growth hormone C) Oxytocin D) Prolactin E) Corticotropin releasing hormone (CRH) 8) Given the following endocrine system that we studied in class: Corticotropin Releasing Hormone (CRH) Adrenocorticotropic Hormone (ACTH) Glucocorticoids Target tissues Which of the following is TRUE?...
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This note was uploaded on 05/23/2008 for the course MVSC 252 taught by Professor Bareither/marone during the Spring '08 term at Ill. Chicago.

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252_practice_1 - Human Physiological Anatomy II February...

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