HESI A2 ANATOMY AND
VOCABULARY
QUESTIONS AND ANSWERS!
2025-2026.
,Parietal?
Covers an area around an organ
Pleura?
Lungs
Peritoneum?
-surrounds cavity around abdominal cavity
-parietal & visceral peritoneum's
Lymphatic?
-Immune System
-Fights infections
Rough ER?
Ribosomes located here
Cytoplasm?
Ribosomes here
Centrosome?
Helps with cell division
Hypertonic, isotonic, hypotonic?
Hypotonic- cells are filled with ions (K+, Na ions), water outside the cells "hypotonic" cell wants to
burst open
Hypertonic- the cell is lacking ions/solutes, water outside the cell is hypertonic, cell is
shriveled/deprived
Osmosis- water likes to diffuse to area of high concentration, where the solutes are
Differentiation?
, Cells become specialized to do something
Cytokinesis?
Cytoplasmic division
Mitosis?
Nuclear division
Prophase
Metaphase
Anaphase
Telophase
Cytokinsis
Fibroblasts?
Produce fibers and collagen
Skeletal muscles are controlled by the?
Somatic nervous system
Smooth muscles are controlled by the?
Autonomic nervous system
Neurotransmitter that stimulates muscles to contract?
Acetylcholine
How many pairs of cranial nerves are there?
12
How many pairs of spinal nerves are there?
31
ANTERIOR pituitary hormones—adenohypophysis?
Acronym to remember: FLAT PIG
FSH, LH, ACH, TSH, PRL, GH
POSTERIOR pituitary hormones (neurohypophysis)?
VOCABULARY
QUESTIONS AND ANSWERS!
2025-2026.
,Parietal?
Covers an area around an organ
Pleura?
Lungs
Peritoneum?
-surrounds cavity around abdominal cavity
-parietal & visceral peritoneum's
Lymphatic?
-Immune System
-Fights infections
Rough ER?
Ribosomes located here
Cytoplasm?
Ribosomes here
Centrosome?
Helps with cell division
Hypertonic, isotonic, hypotonic?
Hypotonic- cells are filled with ions (K+, Na ions), water outside the cells "hypotonic" cell wants to
burst open
Hypertonic- the cell is lacking ions/solutes, water outside the cell is hypertonic, cell is
shriveled/deprived
Osmosis- water likes to diffuse to area of high concentration, where the solutes are
Differentiation?
, Cells become specialized to do something
Cytokinesis?
Cytoplasmic division
Mitosis?
Nuclear division
Prophase
Metaphase
Anaphase
Telophase
Cytokinsis
Fibroblasts?
Produce fibers and collagen
Skeletal muscles are controlled by the?
Somatic nervous system
Smooth muscles are controlled by the?
Autonomic nervous system
Neurotransmitter that stimulates muscles to contract?
Acetylcholine
How many pairs of cranial nerves are there?
12
How many pairs of spinal nerves are there?
31
ANTERIOR pituitary hormones—adenohypophysis?
Acronym to remember: FLAT PIG
FSH, LH, ACH, TSH, PRL, GH
POSTERIOR pituitary hormones (neurohypophysis)?
