NAS 2 Challenge Exam Review Questions With Verified Solutions.
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Course
NAS2 Challenge
Institution
NAS2 Challenge
List the 8 Life functions necessary for Life. - Answer How are these related?
1. Synthesis
2. Respiration
3. Regulation
4. Reproduction
5. Excretion
6. Growth
7. Nutrition
8. Transport
Metabolism - Answer ANABOLIC + CATABOLIC
Both anabolism and catabolism occur simultaneousl...
NAS 2 Challenge Exam Review
Questions With Verified Solutions.
List the 8 Life functions necessary for Life. - Answer How are these related?
1. Synthesis
2. Respiration
3. Regulation
4. Reproduction
5. Excretion
6. Growth
7. Nutrition
8. Transport
Metabolism - Answer ANABOLIC + CATABOLIC
Both anabolism and catabolism occur simultaneously and continuously to keep you alive.
Anabolism - Answer SMALL substances are combined into larger/complex molecules
Catabolism - Answer LARGE substances are broken down into smaller/simpler molecules. ("destructive
metabolism" releases energy)
Anatomy - Answer study of body structure of an entire organism
Physiology - Answer study of internal functioning of an organism
Give the order of the 5 steps in the Homeostatic Control Mechanism. - Answer How are these related?
1. stimulus
2. receptor
3. integrator/control center
, 4. effector
5. set point
negative feedback - Answer mechanism that exists as a feedback loop because it can either increase or
decrease the stimulus. will perform the opposite of the stimulus in order to return to homeostasis. (ex.
human body temperature, blood sugar regulation)
positive feedback - Answer maintains the direction of the stimulus, possibly accelerating it. (ex. Blood
clotting/coagulation - as one clotting factor is activated, it activates the next factor in the sequence until
a fibrin clot is achieved) (ex. Human birth - pressure on cervix, contractions, hormone secretion)
Homeostasis - Answer "steady state"; ability to maintain internal conditions within a normal range
almost constantly. Tendency towards relatively stable equilibrium between interdependent elements.
Describe the anatomical position - Answer the body is standing upright with the feet at shoulder width
and parallel, toes forward. Upper limbs are held out to each side, and the palms of the hands face
forward
Head (Axial Body Region) - Answer cephalic
Neck (Axial Body Region) - Answer cervical
skull (Axial Body Region) - Answer cranial
forehead (Axial Body Region) - Answer frontal
nose (Axial Body Region) - Answer nasal
base of skull (Axial Body Region) - Answer occipital
mouth (Axial Body Region) - Answer oral
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