HESI A2 Practice Test 2023 Questions with
Correct Answers (100% Accurate)
1. 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
2. The triceps reflex. Answer forces contraction of the triceps and extension of the arm
3. Which cranial nerve is responsible for hearing and balance?
A. CN III
B. CN V
C. CN VII
D. CN XII
4. Which gland is responsible for the regulation of calcium levels?
A. Parathyroid
B. Pituitary
C. Adrenal
D. Pancreas
5. Which hormone is predominantly produced during the luteal phase of the menstrual cycle? Answer
Progesterone
6. The pancreas secretes what hormone in response to low blood glucose levels?
A. Insulin
B. Glucagon
C. Somatostatin
D. Amylase
7. Which layer of the heart contains striated muscle fibers for contraction of the heart?
A. Pericardium
B. Epicardium
C. Endocardium
D. Myocardium
8. Which part of the cardiac conduction system is the most distal from the initial impulse generation and
actually conducts the charge throughout the heart tissue?
1
, A. SA
B. AV
C. Purkinje Fibers
D. Bundle of His
9. Which blood vessel carries oxygenated blood back to the heart? Answer Pulmonary vein
10. Which granulocyte is most likely to be elevated during an allergic response?
A. Neutrophil
B. Monocyte
C. Eosinophil
D. Basophil
11. Which vitamin is essential for proper formation of clotting factors? Answer Vitamin K
12. Afferent lymph vessels carry lymph:
A. Toward the spleen
B. Away from the spleen
C. Toward the lymph node
D. Away from the lymph node
13. Cricoid cartilage is found on the:
A. Alveoli
B. Bronchioles
C. Bronchi
D. Trachea
14. Which of the following is NOT found in mediastinum?
A. Xiphoid process
B. Thymus
C. Trachea
D. Vagus nerve
15. What is the proper order of the divisions of the small intestine as food passes through the gastrointestinal
tract?
A. Ileum, duodenum, jejunum
B. Duodenum, ileum, jejunum
C. Duodenum, jejunum, ileum
D. Ilem, jejunum, duodenum
16. Which chemicals are responsible for conveying an impulse along a nerve cell? Answer Sodium and
potassium
2
Correct Answers (100% Accurate)
1. 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
2. The triceps reflex. Answer forces contraction of the triceps and extension of the arm
3. Which cranial nerve is responsible for hearing and balance?
A. CN III
B. CN V
C. CN VII
D. CN XII
4. Which gland is responsible for the regulation of calcium levels?
A. Parathyroid
B. Pituitary
C. Adrenal
D. Pancreas
5. Which hormone is predominantly produced during the luteal phase of the menstrual cycle? Answer
Progesterone
6. The pancreas secretes what hormone in response to low blood glucose levels?
A. Insulin
B. Glucagon
C. Somatostatin
D. Amylase
7. Which layer of the heart contains striated muscle fibers for contraction of the heart?
A. Pericardium
B. Epicardium
C. Endocardium
D. Myocardium
8. Which part of the cardiac conduction system is the most distal from the initial impulse generation and
actually conducts the charge throughout the heart tissue?
1
, A. SA
B. AV
C. Purkinje Fibers
D. Bundle of His
9. Which blood vessel carries oxygenated blood back to the heart? Answer Pulmonary vein
10. Which granulocyte is most likely to be elevated during an allergic response?
A. Neutrophil
B. Monocyte
C. Eosinophil
D. Basophil
11. Which vitamin is essential for proper formation of clotting factors? Answer Vitamin K
12. Afferent lymph vessels carry lymph:
A. Toward the spleen
B. Away from the spleen
C. Toward the lymph node
D. Away from the lymph node
13. Cricoid cartilage is found on the:
A. Alveoli
B. Bronchioles
C. Bronchi
D. Trachea
14. Which of the following is NOT found in mediastinum?
A. Xiphoid process
B. Thymus
C. Trachea
D. Vagus nerve
15. What is the proper order of the divisions of the small intestine as food passes through the gastrointestinal
tract?
A. Ileum, duodenum, jejunum
B. Duodenum, ileum, jejunum
C. Duodenum, jejunum, ileum
D. Ilem, jejunum, duodenum
16. Which chemicals are responsible for conveying an impulse along a nerve cell? Answer Sodium and
potassium
2
