BIOS-251: Exam 1 Review 2026-2027 Actual Exam
with Real 70 Questions and Verified Correct Answers
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A feedback loop in which a system responds to a change by amplifying that change. (Ex.
childbirth) - CORRECT ANSWER: Positive Feedback Loop
A feedback loop in which a system responds to a change by reversing that change, or by
decreasing the rate at which the change is occurring. (Ex. thermoregulation) - CORRECT
ANSWER: Negative Feedback Loop
A polymer (chain) of many amino acids linked together by peptide bonds to create protein -
CORRECT ANSWER: Polypeptide
A state of balance - CORRECT ANSWER: Equilibrium
A storage polysaccharide in plants consisting entirely of alpha glucose. - CORRECT ANSWER:
Starch
A tendency for organisms to maintain a balanced or constant internal state - CORRECT
ANSWER: Homeostasis
An organ or cell that acts in response to a stimulus; handles the issue - CORRECT ANSWER:
Effector
Away from midline - CORRECT ANSWER: Lateral
Away from point of attachment - CORRECT ANSWER: Distal
, Away from the surface of the body - CORRECT ANSWER: Deep
Back of the body - CORRECT ANSWER: Posterior (Dorsal)
Between two structures - CORRECT ANSWER: Intermediate
Cavity that contains the brain - CORRECT ANSWER: Cranial Cavity
Cavity that contains the spinal cord and nerves - CORRECT ANSWER: Vertebral Canal
Changes, occurring within or outside the body, that affect homeostasis - CORRECT ANSWER:
Stimuli
Classification of organs that are not surrounded by the peritoneum but rather behind it -
CORRECT ANSWER: Retroperitoneal
Closer to the body or point of attachment - CORRECT ANSWER: Proximal
Compound with an amino group on one end and a carboxyl group on the other end; building
block for protein - CORRECT ANSWER: Amino Acid
Consequences of homeostatic imbalance - CORRECT ANSWER: Illness or death
Contains both the abdominal and pelvic cavities - CORRECT ANSWER: Abdominopelvic
Cavity
Contains portions of reproductive organs, left ureter, and portions of the small and large
intestines - CORRECT ANSWER: Left Lower Quadrant (LLQ)
with Real 70 Questions and Verified Correct Answers
Already Graded A+ Guaranteed Success Brand New
Version!!
A feedback loop in which a system responds to a change by amplifying that change. (Ex.
childbirth) - CORRECT ANSWER: Positive Feedback Loop
A feedback loop in which a system responds to a change by reversing that change, or by
decreasing the rate at which the change is occurring. (Ex. thermoregulation) - CORRECT
ANSWER: Negative Feedback Loop
A polymer (chain) of many amino acids linked together by peptide bonds to create protein -
CORRECT ANSWER: Polypeptide
A state of balance - CORRECT ANSWER: Equilibrium
A storage polysaccharide in plants consisting entirely of alpha glucose. - CORRECT ANSWER:
Starch
A tendency for organisms to maintain a balanced or constant internal state - CORRECT
ANSWER: Homeostasis
An organ or cell that acts in response to a stimulus; handles the issue - CORRECT ANSWER:
Effector
Away from midline - CORRECT ANSWER: Lateral
Away from point of attachment - CORRECT ANSWER: Distal
, Away from the surface of the body - CORRECT ANSWER: Deep
Back of the body - CORRECT ANSWER: Posterior (Dorsal)
Between two structures - CORRECT ANSWER: Intermediate
Cavity that contains the brain - CORRECT ANSWER: Cranial Cavity
Cavity that contains the spinal cord and nerves - CORRECT ANSWER: Vertebral Canal
Changes, occurring within or outside the body, that affect homeostasis - CORRECT ANSWER:
Stimuli
Classification of organs that are not surrounded by the peritoneum but rather behind it -
CORRECT ANSWER: Retroperitoneal
Closer to the body or point of attachment - CORRECT ANSWER: Proximal
Compound with an amino group on one end and a carboxyl group on the other end; building
block for protein - CORRECT ANSWER: Amino Acid
Consequences of homeostatic imbalance - CORRECT ANSWER: Illness or death
Contains both the abdominal and pelvic cavities - CORRECT ANSWER: Abdominopelvic
Cavity
Contains portions of reproductive organs, left ureter, and portions of the small and large
intestines - CORRECT ANSWER: Left Lower Quadrant (LLQ)
