CSFA Boards Questions & Answers Solved 100% Correct!!

Lymph channels run parallel to which structures? - Answer-Veins Body temp is regulated by the - Answer-Hypothalamus Which two electrolytes are essential for normal cardiac contraction - Answer-Potassium and calcium * important ions that affect cardiac muscle contractility Water constitutes what average normal percentage of total body weight - Answer-50-70% *approx. 60% of adult body weight The thyroid gland consists of right and left lobes joined by the - Answer-isthmus * long band of tissue that connects two lobes Langer lines generally lie perpendicular to the direction of - Answer-underlying muscle tension *natural lines located along skin generated by tension in dermal and epidermal layers of the skin The arterial supply to the intestinal tract, with exception of the stomach , duodenum, and distal rectum, is derived from the - Answer-Superior and inferior mesenteric arteries *blood supply to the small intestine Excessive secretion of growth hormone in adults causes - Answer-AcromegalyThe inner lining of the mucosa of the gastrointestinal tract is composed of - Answer-Epithelium * simple column of epithelium composes the outer layer of the villus on the lining of the small intestine The large artery that arises from the left side of the aortic arch and descends into the arm is the - Answer-Subclavian *3rd branch of the aortic arch An enzyme active in the digestion of starches - Answer-Amylase * Starch splitting enzyme The normal p.H of blood is - Answer-7.3-7.4(5) Which cells secrete pepsinogen - Answer-Chief Which veins drains the intracranial venous sinuses to veins on the outside of the skull - Answer-Emissary *emissary veins connect the sinuses of the dura mater with the veins located on the exterior surface of the skull Which arteries supplies blood to the brain - Answer-Vertebral and internal carotids Which artery divides into the anterior and middle cerebral arteries - Answer-Internal carotid *Two internal carotid arteries and the basilar artery unite in a circular structure near the base of the brain near the circle of Willis. This circle is formed by the anterior cerebral arteries which are derived from the internal carotid arteries and the posterior cerebral arteries which are derived from the basilar artery.Which artery is a direct branch of the internal carotid? - Answer-Middle cerebral The lateral ventricles within the cerebral hemisphere communicate with the third ventricle through the opening called - Answer-Foramen of Monro * The two large ventricles connect to the third ventricle via an interventricular foramen , the foramen of Monro The third ventricle of the brain empties into the fourth ventricle through the - Answer-Aqueduct of sylvius *Third ventricle connects to the fourth ventricle via cerebral aqueduct the aqueduct of sylvius Spinal fluid is produced by the - Answer-Choroid Plexus * nearly 800 ml of CSF is produced daily by specialized capillaries called choroid plexus The fold of dura mater that separates the cerebral hemispheres is - Answer-Falx Cerebri *two brain hemispheres What separates the frontal and temporal lobes - Answer-Fissure of Sylvius *The cerebrum is divided by sulci and fissures in specific lobes and the lateral boundary of the anterior portion of the cerebrum is the lateral sulcus or the fissure of sylvius The frontal lobe is bounded posteriorly by the central sulcus also called the , - Answer-Fissure of Rolando * posterior boundary of the anterior portion of the cerebrum is the central suculus or fissure of rolandoWhich areas located in the frontal gyrus of the brain controls the function of speech? - Answer-Broca's The white line of Hilton is situated - Answer-Between the external and internal anal sphincters *anatomical landmark A chemical reaction that provides energy by the breakdown of food molecules is called - AnswerCatabolism * Chemical process breaks down larger molecules into smaller molecules to provide energy