Peter is 10 years old and Paul is 34. Where would you find hyaline cartilage in Peter's long bones but not in Paul's?
medullary cavity
epiphyseal line
ends of the bones
epiphyseal plate
in periosteum
The Correct Answer is D
A. medullary cavity
This cavity holds marrow (red or yellow), not cartilage.
B. epiphyseal line
The epiphyseal line in adults is a remnant of the epiphyseal plate, but does not contain cartilage.
C. ends of the bones
Both Peter and Paul have articular hyaline cartilage at the ends of long bones for joint function.
D. epiphyseal plate
Only children like Peter have an epiphyseal plate (growth plate), which is made of hyaline cartilage. This area allows for bone lengthening during growth and becomes the epiphyseal line in adults like Paul.
E. in periosteum
The periosteum is a connective tissue membrane around bone-not cartilage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. arrector pili muscles; skeletal
Arrector pili muscles are not voluntary, and skeletal muscle is under voluntary control.
B. apocrine pili muscles; smooth
“Apocrine pili” is not a valid term. Apocrine glands are sweat glands, not muscles.
C. arrector pili muscles; cardiac
Cardiac muscle is found only in the heart and is not associated with skin or hair.
D. arrector pili muscles; smooth
These small involuntary muscles are attached to hair follicles and made of smooth muscle, which contracts to produce goosebumps (piloerection) in response to cold or emotional stimuli.
Correct Answer is A
Explanation
A. tightly packed cells: Epithelial tissue consists of cells that are closely packed together with minimal extracellular space, forming continuous sheets that cover surfaces or line cavities. This allows for effective protection, absorption, and secretion.
B. extensive extracellular matrix: This is characteristic of connective tissue, not epithelial tissue. Epithelial tissue has very little extracellular matrix.
C. a rich blood supply: Epithelial tissues are avascular, meaning they lack a direct blood supply. They receive nutrients via diffusion from underlying connective tissue.
D. presence of lacunae: Lacunae are small spaces that contain cells in cartilage or bone tissue, not epithelial tissue.
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