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NATS 1670 EXAM / ACTUAL NATS 1670 FINAL EXAM 2026 ACCURATE
EXAM APPROVED QUESTIONS AND CORRECT DETAILED ANSWERS
(100% CORRECT VERIFIED SOLUTIONS) LATEST UPDATED
VERSION 2026 EDITION |GUARANTEED PASS A+ (BRAND NEW!)
FULL REVISED NATS 1670 ACTUAL FINAL EXAM 2026 | INSTANT
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1. Which of the following is the most basic structural and functional unit of all living
organisms?
a) Tissue
b) Organ
c) Cell – CORRECT ANSWER
d) Molecule
2. The process by which cells break down glucose to release energy in the presence of
oxygen is called:
a) Fermentation
b) Aerobic respiration – CORRECT ANSWER
c) Anaerobic glycolysis
d) Photosynthesis
3. Which organelle is primarily responsible for ATP production in eukaryotic cells?
a) Nucleus
, b) Ribosome
c) Mitochondrion – CORRECT ANSWER
d) Golgi apparatus
4. Which of the following represents the correct order of organization in the human body
from simplest to most complex?
a) Organ → Tissue → Cell → Organ system
b) Cell → Tissue → Organ → Organ system – CORRECT ANSWER
c) Tissue → Cell → Organ system → Organ
d) Organ system → Organ → Tissue → Cell
5. Homeostasis refers to:
a) A state of stable internal conditions despite external changes – CORRECT ANSWER
b) The breakdown of complex molecules into simpler ones
c) The synthesis of new cellular components
d) The process of cell division
6. Which feedback mechanism amplifies a change away from the set point?
a) Negative feedback
b) Positive feedback – CORRECT ANSWER
c) Neutral feedback
d) Inhibitory feedback
, 7. Which of the following is an example of a negative feedback loop?
a) Blood clotting cascade
b) Regulation of blood glucose by insulin – CORRECT ANSWER
c) Childbirth contractions
d) Action potential propagation
8. The four primary tissue types in the human body are:
a) Squamous, cuboidal, columnar, transitional
b) Epithelial, connective, muscle, nervous – CORRECT ANSWER
c) Skeletal, cardiac, smooth, glandular
d) Dense, loose, adipose, cartilage
9. The primary function of epithelial tissue is:
a) Contraction and movement
b) Protection, absorption, and secretion – CORRECT ANSWER
c) Support and storage
d) Electrical signaling
10. Which type of connective tissue stores fat and provides insulation?
a) Cartilage
b) Bone
c) Blood
d) Adipose tissue – CORRECT ANSWER
NATS 1670 EXAM / ACTUAL NATS 1670 FINAL EXAM 2026 ACCURATE
EXAM APPROVED QUESTIONS AND CORRECT DETAILED ANSWERS
(100% CORRECT VERIFIED SOLUTIONS) LATEST UPDATED
VERSION 2026 EDITION |GUARANTEED PASS A+ (BRAND NEW!)
FULL REVISED NATS 1670 ACTUAL FINAL EXAM 2026 | INSTANT
DOWNLOAD PDF
1. Which of the following is the most basic structural and functional unit of all living
organisms?
a) Tissue
b) Organ
c) Cell – CORRECT ANSWER
d) Molecule
2. The process by which cells break down glucose to release energy in the presence of
oxygen is called:
a) Fermentation
b) Aerobic respiration – CORRECT ANSWER
c) Anaerobic glycolysis
d) Photosynthesis
3. Which organelle is primarily responsible for ATP production in eukaryotic cells?
a) Nucleus
, b) Ribosome
c) Mitochondrion – CORRECT ANSWER
d) Golgi apparatus
4. Which of the following represents the correct order of organization in the human body
from simplest to most complex?
a) Organ → Tissue → Cell → Organ system
b) Cell → Tissue → Organ → Organ system – CORRECT ANSWER
c) Tissue → Cell → Organ system → Organ
d) Organ system → Organ → Tissue → Cell
5. Homeostasis refers to:
a) A state of stable internal conditions despite external changes – CORRECT ANSWER
b) The breakdown of complex molecules into simpler ones
c) The synthesis of new cellular components
d) The process of cell division
6. Which feedback mechanism amplifies a change away from the set point?
a) Negative feedback
b) Positive feedback – CORRECT ANSWER
c) Neutral feedback
d) Inhibitory feedback
, 7. Which of the following is an example of a negative feedback loop?
a) Blood clotting cascade
b) Regulation of blood glucose by insulin – CORRECT ANSWER
c) Childbirth contractions
d) Action potential propagation
8. The four primary tissue types in the human body are:
a) Squamous, cuboidal, columnar, transitional
b) Epithelial, connective, muscle, nervous – CORRECT ANSWER
c) Skeletal, cardiac, smooth, glandular
d) Dense, loose, adipose, cartilage
9. The primary function of epithelial tissue is:
a) Contraction and movement
b) Protection, absorption, and secretion – CORRECT ANSWER
c) Support and storage
d) Electrical signaling
10. Which type of connective tissue stores fat and provides insulation?
a) Cartilage
b) Bone
c) Blood
d) Adipose tissue – CORRECT ANSWER
