1
APHY 101 FINAL EXAM IVY TECH 2026/2027 | Complete
100 Questions & Verified Correct Answers | Indianapolis |
Pass Guaranteed - A+ Graded
SECTION 1: INTRODUCTION TO ANATOMY & PHYSIOLOGY /
HOMEOSTASIS (Q1–10)
Q1. Which body cavity contains the brain?
A. Thoracic cavity
B. Cranial cavity [CORRECT]
C. Abdominal cavity
D. Pelvic cavity
A1. The cranial cavity is the dorsal cavity subdivision that houses the brain. The
thoracic cavity contains the heart and lungs, while the abdominal and pelvic cavities
contain digestive, urinary, and reproductive organs.
Correct Answer: B
Q2. The maintenance of a stable internal environment is called:
A. Metabolism
B. Homeostasis [CORRECT]
C. Adaptation
D. Differentiation
A2. Homeostasis is the dynamic state of equilibrium in which internal conditions
remain within a narrow range. Metabolism refers to all chemical reactions in the
body, while adaptation and differentiation describe developmental processes.
Correct Answer: B
,2
Q3. Which anatomical plane divides the body into anterior and posterior portions?
A. Sagittal plane
B. Frontal (coronal) plane [CORRECT]
C. Transverse plane
D. Midsagittal plane
A3. The frontal (coronal) plane divides the body into anterior (front) and posterior
(back) portions. The sagittal plane divides left from right, and the transverse plane
divides superior from inferior.
Correct Answer: B
Q4. In a negative feedback mechanism, the response:
A. Amplifies the original stimulus
B. Reverses the original stimulus [CORRECT]
C. Has no effect on the original stimulus
D. Is always harmful to the body
A4. Negative feedback reverses the direction of the initial stimulus to maintain
homeostasis (e.g., temperature regulation). Positive feedback amplifies the stimulus,
and negative feedback is the body's primary regulatory mechanism.
Correct Answer: B
Q5. Which organ system is responsible for protecting the body from dehydration and
external pathogens?
A. Skeletal system
B. Integumentary system [CORRECT]
C. Lymphatic system
D. Endocrine system
,3
A5. The integumentary system (skin, hair, nails, glands) forms a physical barrier
against pathogens and prevents excessive water loss. The lymphatic system provides
immune defense but does not provide the primary physical barrier.
Correct Answer: B
Q6. The chemical bond formed by the sharing of electron pairs between atoms is
called:
A. Ionic bond
B. Covalent bond [CORRECT]
C. Hydrogen bond
D. Peptide bond
A6. Covalent bonds involve shared electron pairs between atoms. Ionic bonds involve
electron transfer, hydrogen bonds are weak attractions between polar molecules, and
peptide bonds specifically link amino acids.
Correct Answer: B
Q7. A solution with a pH of 3 is considered:
A. Neutral
B. Basic (alkaline)
C. Acidic [CORRECT]
D. Isotonic
A7. The pH scale ranges from 0–14; values below 7 are acidic, 7 is neutral, and above
7 are basic. A pH of 3 is strongly acidic.
Correct Answer: C
Q8. Which organic compound is the primary source of quick energy for cells?
, 4
A. Proteins
B. Lipids
C. Carbohydrates [CORRECT]
D. Nucleic acids
A8. Carbohydrates are the body's primary and preferred energy source, particularly
glucose. Lipids serve as long-term energy storage, proteins are primarily structural
and functional, and nucleic acids store genetic information.
Correct Answer: C
Q9. The basic structural and functional unit of life is:
A. Tissue
B. Organ
C. Cell [CORRECT]
D. Organelle
A9. The cell is the smallest unit capable of carrying out all life processes. Tissues are
groups of cells, organs are groups of tissues, and organelles are subcellular
structures.
Correct Answer: C
Q10. Which organelle is responsible for protein synthesis?
A. Mitochondria
B. Nucleus
C. Ribosome [CORRECT]
D. Lysosome
A10. Ribosomes read mRNA and assemble amino acids into polypeptide chains.
Mitochondria produce ATP, the nucleus houses DNA, and lysosomes digest waste
materials.
Correct Answer: C
APHY 101 FINAL EXAM IVY TECH 2026/2027 | Complete
100 Questions & Verified Correct Answers | Indianapolis |
Pass Guaranteed - A+ Graded
SECTION 1: INTRODUCTION TO ANATOMY & PHYSIOLOGY /
HOMEOSTASIS (Q1–10)
Q1. Which body cavity contains the brain?
A. Thoracic cavity
B. Cranial cavity [CORRECT]
C. Abdominal cavity
D. Pelvic cavity
A1. The cranial cavity is the dorsal cavity subdivision that houses the brain. The
thoracic cavity contains the heart and lungs, while the abdominal and pelvic cavities
contain digestive, urinary, and reproductive organs.
Correct Answer: B
Q2. The maintenance of a stable internal environment is called:
A. Metabolism
B. Homeostasis [CORRECT]
C. Adaptation
D. Differentiation
A2. Homeostasis is the dynamic state of equilibrium in which internal conditions
remain within a narrow range. Metabolism refers to all chemical reactions in the
body, while adaptation and differentiation describe developmental processes.
Correct Answer: B
,2
Q3. Which anatomical plane divides the body into anterior and posterior portions?
A. Sagittal plane
B. Frontal (coronal) plane [CORRECT]
C. Transverse plane
D. Midsagittal plane
A3. The frontal (coronal) plane divides the body into anterior (front) and posterior
(back) portions. The sagittal plane divides left from right, and the transverse plane
divides superior from inferior.
Correct Answer: B
Q4. In a negative feedback mechanism, the response:
A. Amplifies the original stimulus
B. Reverses the original stimulus [CORRECT]
C. Has no effect on the original stimulus
D. Is always harmful to the body
A4. Negative feedback reverses the direction of the initial stimulus to maintain
homeostasis (e.g., temperature regulation). Positive feedback amplifies the stimulus,
and negative feedback is the body's primary regulatory mechanism.
Correct Answer: B
Q5. Which organ system is responsible for protecting the body from dehydration and
external pathogens?
A. Skeletal system
B. Integumentary system [CORRECT]
C. Lymphatic system
D. Endocrine system
,3
A5. The integumentary system (skin, hair, nails, glands) forms a physical barrier
against pathogens and prevents excessive water loss. The lymphatic system provides
immune defense but does not provide the primary physical barrier.
Correct Answer: B
Q6. The chemical bond formed by the sharing of electron pairs between atoms is
called:
A. Ionic bond
B. Covalent bond [CORRECT]
C. Hydrogen bond
D. Peptide bond
A6. Covalent bonds involve shared electron pairs between atoms. Ionic bonds involve
electron transfer, hydrogen bonds are weak attractions between polar molecules, and
peptide bonds specifically link amino acids.
Correct Answer: B
Q7. A solution with a pH of 3 is considered:
A. Neutral
B. Basic (alkaline)
C. Acidic [CORRECT]
D. Isotonic
A7. The pH scale ranges from 0–14; values below 7 are acidic, 7 is neutral, and above
7 are basic. A pH of 3 is strongly acidic.
Correct Answer: C
Q8. Which organic compound is the primary source of quick energy for cells?
, 4
A. Proteins
B. Lipids
C. Carbohydrates [CORRECT]
D. Nucleic acids
A8. Carbohydrates are the body's primary and preferred energy source, particularly
glucose. Lipids serve as long-term energy storage, proteins are primarily structural
and functional, and nucleic acids store genetic information.
Correct Answer: C
Q9. The basic structural and functional unit of life is:
A. Tissue
B. Organ
C. Cell [CORRECT]
D. Organelle
A9. The cell is the smallest unit capable of carrying out all life processes. Tissues are
groups of cells, organs are groups of tissues, and organelles are subcellular
structures.
Correct Answer: C
Q10. Which organelle is responsible for protein synthesis?
A. Mitochondria
B. Nucleus
C. Ribosome [CORRECT]
D. Lysosome
A10. Ribosomes read mRNA and assemble amino acids into polypeptide chains.
Mitochondria produce ATP, the nucleus houses DNA, and lysosomes digest waste
materials.
Correct Answer: C
