NAS2 CHALLENGE LATEST 2026 QUESTIONS AND
ANSWERS GRADED A+
✔✔Identify survival needs - ✔✔1. Nutrients
2. Oxygen
3. Water
4. Appropriate temperture
5. Appropriate atmospheric pressure
✔✔Homeostasis - ✔✔A balance in which internal conditions change and very but
always within relatively narrow limits
✔✔Basic Mechanism for homeostasis (receptor, control center, etc) - ✔✔Negative
feedback mechanism
✔✔Negative feedback mechanism - ✔✔Works to shut off original stimulus or reduce its
intensity
✔✔Positive feedback mechanism - ✔✔tend to increase the original stimulus
✔✔Anatomical Position - ✔✔the body is erect with the feet parallel and the arms
hanging at the side with palms facing forward
✔✔Superior (Cranial/Cephalid) - ✔✔Toward the head end or upper part of the
structure;above
✔✔Dorsal/Posterior - ✔✔Toward the backside of the body;behind
✔✔Proximal - ✔✔Close to the origin of a body part or the point of attachment of a limb
to the body trunk
✔✔Thoracic - ✔✔chest
✔✔Cervical - ✔✔Neck region
✔✔Gluteal - ✔✔buttock
✔✔Major planes of dissection - ✔✔1. Sagittal(left/right)
2. Frontal/Coronal (back/front)
3 Transverse (top/bottom)
✔✔Identify body's major cavities and their contents - ✔✔• Dorsal/posterior - toward or at
the backside of the body; behind
• Ventral/Anterior- Toward or at the front of the body; in front of
ANSWERS GRADED A+
✔✔Identify survival needs - ✔✔1. Nutrients
2. Oxygen
3. Water
4. Appropriate temperture
5. Appropriate atmospheric pressure
✔✔Homeostasis - ✔✔A balance in which internal conditions change and very but
always within relatively narrow limits
✔✔Basic Mechanism for homeostasis (receptor, control center, etc) - ✔✔Negative
feedback mechanism
✔✔Negative feedback mechanism - ✔✔Works to shut off original stimulus or reduce its
intensity
✔✔Positive feedback mechanism - ✔✔tend to increase the original stimulus
✔✔Anatomical Position - ✔✔the body is erect with the feet parallel and the arms
hanging at the side with palms facing forward
✔✔Superior (Cranial/Cephalid) - ✔✔Toward the head end or upper part of the
structure;above
✔✔Dorsal/Posterior - ✔✔Toward the backside of the body;behind
✔✔Proximal - ✔✔Close to the origin of a body part or the point of attachment of a limb
to the body trunk
✔✔Thoracic - ✔✔chest
✔✔Cervical - ✔✔Neck region
✔✔Gluteal - ✔✔buttock
✔✔Major planes of dissection - ✔✔1. Sagittal(left/right)
2. Frontal/Coronal (back/front)
3 Transverse (top/bottom)
✔✔Identify body's major cavities and their contents - ✔✔• Dorsal/posterior - toward or at
the backside of the body; behind
• Ventral/Anterior- Toward or at the front of the body; in front of
