First Assistant Study Guide 100% accurate

First Assistant Study Guide 100% aLymph channels run parallel to which structures? A. Nerves B. Veins C. Arteries D. Ligaments - ANSWER B. Veins Body temperature is regulated by the: A. Pons B. Cerebellum C. Midbrain D. Hypothalamus - ANSWER D. Hypothalamus Which two electrolytes are essential for normal cardiac contractions? A. Phosphate and chloride B. Magnesium and sodium C. Bicarbonate and sulfate D. Potassium and calcium - ANSWER D. Potassium and calcium Water constitutes what average normal percentage of total body weight? A. 20% to 40% B. 50% to 70% C. 70% to 85% D. 15% to 25% - ANSWER B. 50% to 70% The thyroid gland consists of right and left lobes joined by the: A. Larynx B. Isthmus C. Parathyroid gland D. Cricoid cartilage - ANSWER B. Isthmus Langer lines generally lie perpendicular to the direction of: A. Skin folds B. Underlying muscle tension C. A midline incision D. Movement of the bone joints - ANSWER B. Underlying muscle tension The arterial supply to the intestinal tract, with the exception of the stomach, duodenum, and distal rectum, is derived from the: A. Superior and inferior mesenteric arteries B. Cystic artery C. Gastroduodenal artery D. Hepatic artery - ANSWER A. Superior and inferior mesenteric arteries Excessive secretion of growth hormones in adults causes: A. Splenomegaly B. Acromegaly C. Cardiomegaly D. Hepatomegaly - ANSWER B. Acromegaly The inner lining of the mucosa of the gastrointestinal tract is composed of: A. Smooth muscle B. Areolar connective tissue C. Epithelium D. Elastic connective tissue - ANSWER C. Epithelium The large artery that arises from the left side of the aortic arch and descends into the arm is the: A. Subclavian B. Carotid C. Brachiocephalic D. Radial - ANSWER A. Subclavian An enzyme active in the digestive of starches is. A. Amylase B. Trypsin C. Lipase D. Lactase - ANSWER A. Amylase The normal pH of blood is: A. 3.5-4.5 B. 7.3-7.4 C. 8.5-9.0 D. 9.5-10.5 - ANSWER B. 7.3-7.4 Which cells secrete pepsinogen? A. Islands of Langerhans B. Beta C. Chief D. Parietal - ANSWER C. Chief Which of the following veins drains the intracranial venous sinuses to veins on the outside of the skull? A. Emissary B. Middle cerebral C. Cerebellar Veins D. Radial Veins - ANSWER A. Emissary Which of the following arteries supplies blood to the brain? A. Anterior and middle cerebral arteries B. Vertebral and internal carotids C. External and internal carotids D. Occipital - ANSWER B. Vertebral and internal carotids Which of the following arteries divides into the anterior and middle cerebral arteries? A. Internal carotid B. External carotid C. Vertebral D. Basilar - ANSWER A. Internal carotid Which of the following arteries is a direct branch of the internal carotid? A. Vertebral B. Aorta C. Middle cerebral D. Facial - ANSWER C. Middle cerebral The lateral ventricles within the cerebral hemisphere communicate with the third ventricle through the opening called: A. Foramen of Monro B. Foramen Ovale C. Foramen of Vesalius D. Foramen Magnum - ANSWER A. Foramen of Monro The third ventricle of the brain empties into the fourth ventricle through the: A. Aqueduct of Sylvius B. Choroid plexuses C. Foramen venosum D. Foramen spinosum - ANSWER A. Aqueduct of Sylvius Spinal fluid is produced by the: A. Choroid plexus B. Lateral ventricle C. Dura mater D. Cerebrum - ANSWER A. Choroid plexus The fold of dura mater that separates the cerebral hemispheres: A. Flax cerebri B. Tentorium cerebelli C. Central sulcus D. Circular sulcus - ANSWER A. Flax cerebri Which of the following separates the frontal and the temporal lobes? A. Fissure of Sylvius ccurate