NAS 2 CHALLENGE EXAMINATION TEST 2025/2026
ANSWERS AND QUESTIONS GRADED A+
✔✔SUPERIOR - ✔✔ABOVE, TOWARD THE HEAD
THE EYES ARE SUPERIOR TO THE CHIN
✔✔INFERIOR - ✔✔BELOW, OR AWAY FROM THE HEAD
THE CHIN IS INFERIOR TO THE EYES
✔✔MEDIAL - ✔✔TOWARD THE MIDLINE OF THE BODY
THE STERNUM IS MEDIAL TO THE ARMS
✔✔LATERAL - ✔✔AWAY FROM THE MIDLINE OF THE BODY
THE ARMS ARE LATERAL TO THE STERNUM
✔✔PROXIMAL - ✔✔CLOSER TO THE POINT OF ATTACHMENT OR ORIGIN
THE ELBOW IS PROXIMAL TO THE WRIST
✔✔DISTAL - ✔✔FARTHER FROM THE POINT OF ATTACHMENT OR ORIGIN
THE WRIST IS DISTAL TO THE ELBOW
✔✔DORSAL - ✔✔THE BODIES SPINE SIDE
THE SHOULDER BLADES ARE ON THE DORSAL SIDE
✔✔VENTRAL - ✔✔THE BODIES BELLY SIDE
THE NIPPLES ARE ON THE VENTRAL SIDE
✔✔SUPERFICIAL - ✔✔(EXTERNAL) CLOSER TO THE BODIES SURFACE
THE STERNUM IS SUPERFICIAL TO THE HEART
✔✔DEEP - ✔✔(INTERNAL) FARTHER FROM THE BODIES SURFACE
THE HEART IS DEEP TO THE STERNUM
✔✔ANTERIOR - ✔✔TOWARD THE FRONT OF A BODY
THE STERNUM IS ANTERIOR TO THE SPINE
✔✔POSTERIOR - ✔✔TOWARD THE BACK OF THE BODY
THE SPINE IS POSTERIOR TO THE STERNUM
✔✔CORONAL/ FRONTAL PLANE - ✔✔VERTICALLY CUTS THE BODY INTO
FRONTAL AND REAR HALVES
✔✔TRANSVERSE/ HORIZONTAL PLANE - ✔✔HORIZONTALLY CUTS THE BODY
INTO TOP AND BOTTOM HALVES
, ✔✔SAGITTAL PLANE - ✔✔VERTICALLY CUTS THE BODY INTO RIGHT AND LEFT
HALVES
✔✔Dorsal Cavity - ✔✔Located on the spine of the body
Contains: Cranial cavity (skull and brain) and Vertebral cavity (vertebral column and
spinal cord)
✔✔Ventral Cavity - ✔✔Located on the belly side of the body
Contains: Thoracic cavity (pleural, pericardial, and mediastinum) and Abdominopelvic
cavity (abdominal and pelvic)
✔✔Pleural Cavity - ✔✔left and right lungs
✔✔Pericardial Cavity - ✔✔Heart
✔✔Mediastinum Cavity - ✔✔Heart, blood vessels above the heart, trachea, esophagus,
and the thymus gland
✔✔Abdominal Cavity - ✔✔Liver, spleen, gallbladder, stomach, and intestines (superior
portion)
✔✔Pelvic Cavity - ✔✔Urinary bladder, reproductive organs, and the rectum (inferior
portion)
✔✔Peritoneal Cavity - ✔✔the space between the parietal and the visceral peritoneum
✔✔Eleven human organ systems. - ✔✔skeletal, muscular, urinary, nervous, digestive,
endocrine, reproductive, respiratory, cardiovascular, integumentary, lymphatic
✔✔skeletal system - ✔✔Protects and supports body organs and provides a framework
the muscles use to support movement. Made up of bones and joints
✔✔Muscular System - ✔✔Allows manipulation of the environment, locomotion, and
facial expression. Maintains posture, and produces heat.
✔✔nervous system - ✔✔the body's speedy, electrochemical communication network,
consisting of all the nerve cells of the peripheral and central nervous systems
✔✔endocrine system - ✔✔the body's "slow" chemical communication system; a set of
glands that secrete hormones into the bloodstream
ANSWERS AND QUESTIONS GRADED A+
✔✔SUPERIOR - ✔✔ABOVE, TOWARD THE HEAD
THE EYES ARE SUPERIOR TO THE CHIN
✔✔INFERIOR - ✔✔BELOW, OR AWAY FROM THE HEAD
THE CHIN IS INFERIOR TO THE EYES
✔✔MEDIAL - ✔✔TOWARD THE MIDLINE OF THE BODY
THE STERNUM IS MEDIAL TO THE ARMS
✔✔LATERAL - ✔✔AWAY FROM THE MIDLINE OF THE BODY
THE ARMS ARE LATERAL TO THE STERNUM
✔✔PROXIMAL - ✔✔CLOSER TO THE POINT OF ATTACHMENT OR ORIGIN
THE ELBOW IS PROXIMAL TO THE WRIST
✔✔DISTAL - ✔✔FARTHER FROM THE POINT OF ATTACHMENT OR ORIGIN
THE WRIST IS DISTAL TO THE ELBOW
✔✔DORSAL - ✔✔THE BODIES SPINE SIDE
THE SHOULDER BLADES ARE ON THE DORSAL SIDE
✔✔VENTRAL - ✔✔THE BODIES BELLY SIDE
THE NIPPLES ARE ON THE VENTRAL SIDE
✔✔SUPERFICIAL - ✔✔(EXTERNAL) CLOSER TO THE BODIES SURFACE
THE STERNUM IS SUPERFICIAL TO THE HEART
✔✔DEEP - ✔✔(INTERNAL) FARTHER FROM THE BODIES SURFACE
THE HEART IS DEEP TO THE STERNUM
✔✔ANTERIOR - ✔✔TOWARD THE FRONT OF A BODY
THE STERNUM IS ANTERIOR TO THE SPINE
✔✔POSTERIOR - ✔✔TOWARD THE BACK OF THE BODY
THE SPINE IS POSTERIOR TO THE STERNUM
✔✔CORONAL/ FRONTAL PLANE - ✔✔VERTICALLY CUTS THE BODY INTO
FRONTAL AND REAR HALVES
✔✔TRANSVERSE/ HORIZONTAL PLANE - ✔✔HORIZONTALLY CUTS THE BODY
INTO TOP AND BOTTOM HALVES
, ✔✔SAGITTAL PLANE - ✔✔VERTICALLY CUTS THE BODY INTO RIGHT AND LEFT
HALVES
✔✔Dorsal Cavity - ✔✔Located on the spine of the body
Contains: Cranial cavity (skull and brain) and Vertebral cavity (vertebral column and
spinal cord)
✔✔Ventral Cavity - ✔✔Located on the belly side of the body
Contains: Thoracic cavity (pleural, pericardial, and mediastinum) and Abdominopelvic
cavity (abdominal and pelvic)
✔✔Pleural Cavity - ✔✔left and right lungs
✔✔Pericardial Cavity - ✔✔Heart
✔✔Mediastinum Cavity - ✔✔Heart, blood vessels above the heart, trachea, esophagus,
and the thymus gland
✔✔Abdominal Cavity - ✔✔Liver, spleen, gallbladder, stomach, and intestines (superior
portion)
✔✔Pelvic Cavity - ✔✔Urinary bladder, reproductive organs, and the rectum (inferior
portion)
✔✔Peritoneal Cavity - ✔✔the space between the parietal and the visceral peritoneum
✔✔Eleven human organ systems. - ✔✔skeletal, muscular, urinary, nervous, digestive,
endocrine, reproductive, respiratory, cardiovascular, integumentary, lymphatic
✔✔skeletal system - ✔✔Protects and supports body organs and provides a framework
the muscles use to support movement. Made up of bones and joints
✔✔Muscular System - ✔✔Allows manipulation of the environment, locomotion, and
facial expression. Maintains posture, and produces heat.
✔✔nervous system - ✔✔the body's speedy, electrochemical communication network,
consisting of all the nerve cells of the peripheral and central nervous systems
✔✔endocrine system - ✔✔the body's "slow" chemical communication system; a set of
glands that secrete hormones into the bloodstream
