WGU D312 Anatomy and Physiology I Objective
Assessment Actual Exam 2026/2027 | Questions
with Verified Answers 100% Correct | Pass
Guaranteed | Grade A
Q01 Which term describes a structure located toward the head or upper part of the body?
Answer: Superior (cranial)
Rationale: Superior means above or toward the head end; it is the opposite of inferior.
Q02 The directional term that means "closer to the point of attachment of a limb to the trunk" is
Answer: Proximal
Rationale: Proximal refers to structures nearer the trunk; distal means farther away.
Q03 Which body cavity contains the brain and spinal cord?
Answer: Dorsal body cavity
Rationale: The dorsal cavity is subdivided into the cranial cavity (brain) and vertebral/spinal
cavity (spinal cord).
Q04 The diaphragm separates which two major body cavities?
Answer: Thoracic cavity and abdominopelvic cavity
Rationale: The diaphragm forms the floor of the thoracic cavity and the roof of the
abdominopelvic cavity.
Q05 Which plane divides the body into equal left and right halves?
, Answer: Midsagittal (median) plane
Rationale: The midsagittal plane passes through the midline and creates symmetrical halves.
Q06 The most superficial layer of the epidermis is
Answer: Stratum corneum
Rationale: The stratum corneum is the outermost layer composed of dead, keratinized
keratinocytes.
Q07 Which tissue type covers body surfaces, lines cavities, and forms glands?
Answer: Epithelial tissue
Rationale: Epithelial tissue is specialized for protection, secretion, absorption, and filtration.
Q08 Which type of epithelial tissue is found in the urinary bladder and allows for stretching?
Answer: Transitional epithelium
Rationale: Transitional epithelium changes shape from cuboidal to squamous when stretched.
Q09 The basic structural and functional unit of the kidney is the
Answer: Nephron
Rationale: Each nephron is responsible for filtering blood and forming urine.
Q10 Which bone cell type is responsible for breaking down bone matrix (resorption)?
Answer: Osteoclast
Rationale: Osteoclasts are large, multinucleated cells that resorb bone during remodeling.
Assessment Actual Exam 2026/2027 | Questions
with Verified Answers 100% Correct | Pass
Guaranteed | Grade A
Q01 Which term describes a structure located toward the head or upper part of the body?
Answer: Superior (cranial)
Rationale: Superior means above or toward the head end; it is the opposite of inferior.
Q02 The directional term that means "closer to the point of attachment of a limb to the trunk" is
Answer: Proximal
Rationale: Proximal refers to structures nearer the trunk; distal means farther away.
Q03 Which body cavity contains the brain and spinal cord?
Answer: Dorsal body cavity
Rationale: The dorsal cavity is subdivided into the cranial cavity (brain) and vertebral/spinal
cavity (spinal cord).
Q04 The diaphragm separates which two major body cavities?
Answer: Thoracic cavity and abdominopelvic cavity
Rationale: The diaphragm forms the floor of the thoracic cavity and the roof of the
abdominopelvic cavity.
Q05 Which plane divides the body into equal left and right halves?
, Answer: Midsagittal (median) plane
Rationale: The midsagittal plane passes through the midline and creates symmetrical halves.
Q06 The most superficial layer of the epidermis is
Answer: Stratum corneum
Rationale: The stratum corneum is the outermost layer composed of dead, keratinized
keratinocytes.
Q07 Which tissue type covers body surfaces, lines cavities, and forms glands?
Answer: Epithelial tissue
Rationale: Epithelial tissue is specialized for protection, secretion, absorption, and filtration.
Q08 Which type of epithelial tissue is found in the urinary bladder and allows for stretching?
Answer: Transitional epithelium
Rationale: Transitional epithelium changes shape from cuboidal to squamous when stretched.
Q09 The basic structural and functional unit of the kidney is the
Answer: Nephron
Rationale: Each nephron is responsible for filtering blood and forming urine.
Q10 Which bone cell type is responsible for breaking down bone matrix (resorption)?
Answer: Osteoclast
Rationale: Osteoclasts are large, multinucleated cells that resorb bone during remodeling.
