HESI A2 Exam Anatomy and Physiology

HESI A2 Exam Anatomy and Physiology Latest 2022

• Why are skeletal muscles also called voluntary muscles?
• They are under conscious control.
• They are attached to the skeleton.
• They use ATP to energize contraction.
• They are striated in appearance.

• All actions of the nervous system depend on the transmission of nerve impulses over

which of the following?

• Neuroglia
• Efferent pathways
• Afferent pathways
• Neurons

• Motor or neurons transmit nerve impulses away from the CNS.
• Afferent
• Efferent
• Central
• Peripheral

• Jeffery has contracted bulbar poliomyelitis, and it has affected the medulla oblongata.

The doctors warned the family that his condition is grave and death may be imminent. What functions of the medulla oblongata have warranted such a dire prognosis?

• The medulla oblongata contains vital centers that control heart action, blood vessel

diameter, and respiration.

• The medulla oblongata contains neural connections of the reticular-activating system.
• The medulla oblongata contains the pineal gland, which controls the vital centers.
• The medulla oblongata contains the corpora quadrigemina, which controls the neural

transmission of impulses along the spinal cord. 1 / 2

• What are chemical messengers that control growth, differentiation, and the metabolism of

specific target cells called?

• Hormones
• Neurons
• Glands
• Second messengers

• Which of the following are tropic hormones? (Select all that apply.)
• Somatotropin
• Follicle-stimulating hormone
• Antidiuretic hormone
• Thyroid-stimulating hormone

• Which leukocytes are correctly matched with their function or description? (Select all

that apply.)

• Monocytes—become macrophages
• Basophils—the most common type of WBC
• Lymphocytes—important in immune response
• Neutrophils—phagocytize microorganisms

8.

Which are the functional units of the kidney?

• Ureters
• Glomeruli
• Nephrons
• Renal capsules

9.

What are the two functions of the male and female sex organs?

• Production of all cells and production of hormones
• Production of interstitial cells and production of hormones
• Production of gametes and production of hormones
• Production of gametes and production of interstitial cells
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