HESI A2 Practice Test 2023 Exam Questions with Latest Update

Which structure in the brain is responsible for arousal and maintenance of consciousness? A. The Midbrain B. The Reticular Activating System C. The Diencephalon D. The Limbic System - ANSWER-B. The Reticular Activating system The triceps reflex - ANSWER-forces contraction of the triceps and extension of the arm Which cranial nerve is responsible for hearing and balance? A. CN III B. CN V C. CN VII D. CN XII - ANSWER-C. CN VIII Which gland is responsible for the regulation of calcium levels? A. Parathyroid B. Pituitary C. Adrenal D. Pancreas - ANSWER-A. Parathyroid Which hormone is predominantly produced during the luteal phase of the menstrual cycle? - ANSWER-Progesterone The pancreas secretes what hormone in response to low blood glucose levels? A. Insulin B. Glucagon C. Somatostatin D. Amylase - ANSWER-B. Glucagon Which layer of the heart contains striated muscle fibers for contraction of the heart? A. Pericardium B. Epicardium C. Endocardium D. Myocardium - ANSWER-D. Myocardium