BIOS 251 EXAM 1 PRACTICE SET 2026
CORE BIOLOGICAL CONCEPTS
QUESTIONS HIGH YIELD A+
◉ Deep.
Answer: Farther from the body surface.
◉ Dorsal cavity.
Answer: Contains both the cranial and vertebral cavities.
◉ Cranial cavity.
Answer: Contains the brain.
◉ Vertebral cavity.
Answer: Contains the spinal cord.
◉ Thoracic cavity.
Answer: Contains the heart and the lungs.
◉ Pericardial cavity.
Answer: Surrounds the heart.
,◉ Parietal cavity.
Answer: Surrounds the lungs.
◉ Abdominopelvic cavity.
Answer: Contains all abdominal and pelvic organs.
◉ Pleural cavities.
Answer: Each surrounds a lung.
◉ Mediastinum.
Answer: An area in the middle of the thorax that contains the heart,
portions of the trachea, the esophagus, and several important
vessels.
◉ Abdominal cavity.
Answer: Contains the stomach, intestines, spleen, and liver.
◉ Pelvic cavity.
Answer: Contains urinary bladder, reproductive organs, and rectum.
◉ Parietal layer.
, Answer: Lines cavity.
◉ Visceral layer.
Answer: Covers organ.
◉ Fluid-filled cavity.
Answer: Between the parietal and visceral layers.
◉ Serous membranes.
Answer: Two layered tissue that is lubricated by a serum-like fluid.
◉ Abdominopelvic Quadrants.
Answer: Four regions: Right Upper quadrant, Left Upper quadrant,
Right lower quadrant, Left lower quadrant.
◉ Abdominopelvic Regions.
Answer: Nine regions: Right hypochondriac region, Epigastric
region, Left hypochondriac region, Right lumbar region, Umbilical
region, Left lumbar region, Right iliac (inguinal) region, Hypogastric
(pubic) region, Left iliac (inguinal) region.
◉ Body Planes.
CORE BIOLOGICAL CONCEPTS
QUESTIONS HIGH YIELD A+
◉ Deep.
Answer: Farther from the body surface.
◉ Dorsal cavity.
Answer: Contains both the cranial and vertebral cavities.
◉ Cranial cavity.
Answer: Contains the brain.
◉ Vertebral cavity.
Answer: Contains the spinal cord.
◉ Thoracic cavity.
Answer: Contains the heart and the lungs.
◉ Pericardial cavity.
Answer: Surrounds the heart.
,◉ Parietal cavity.
Answer: Surrounds the lungs.
◉ Abdominopelvic cavity.
Answer: Contains all abdominal and pelvic organs.
◉ Pleural cavities.
Answer: Each surrounds a lung.
◉ Mediastinum.
Answer: An area in the middle of the thorax that contains the heart,
portions of the trachea, the esophagus, and several important
vessels.
◉ Abdominal cavity.
Answer: Contains the stomach, intestines, spleen, and liver.
◉ Pelvic cavity.
Answer: Contains urinary bladder, reproductive organs, and rectum.
◉ Parietal layer.
, Answer: Lines cavity.
◉ Visceral layer.
Answer: Covers organ.
◉ Fluid-filled cavity.
Answer: Between the parietal and visceral layers.
◉ Serous membranes.
Answer: Two layered tissue that is lubricated by a serum-like fluid.
◉ Abdominopelvic Quadrants.
Answer: Four regions: Right Upper quadrant, Left Upper quadrant,
Right lower quadrant, Left lower quadrant.
◉ Abdominopelvic Regions.
Answer: Nine regions: Right hypochondriac region, Epigastric
region, Left hypochondriac region, Right lumbar region, Umbilical
region, Left lumbar region, Right iliac (inguinal) region, Hypogastric
(pubic) region, Left iliac (inguinal) region.
◉ Body Planes.