What kind of tissue makes up vocal cords?
adipose CT
elastic CT
areola CT
elastic cartilage CT
The Correct Answer is B
A. adipose CT: Adipose tissue primarily stores fat for energy and cushioning and does not provide the elasticity or vibration properties required for vocal cords.
B. elastic CT: Elastic connective tissue contains abundant elastic fibers, allowing the vocal cords to stretch and recoil during sound production. Its flexibility and resilience are essential for the rapid vibrations needed for speech.
C. areolar CT: Areolar tissue is a loose connective tissue that provides support and cushioning but lacks the dense elastic fibers necessary for vocal cord function.
D. elastic cartilage CT: Elastic cartilage provides flexible support in structures like the ear and epiglottis but is not the main tissue responsible for the vibration and elasticity of vocal cords.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
False:Supporting cells in nervous tissue that can divide are glial cells, not neurons. Glial cells maintain, protect, and support neuronal function, and they retain the ability to reproduce throughout life. Neurons are specialized cells responsible for transmitting electrical impulses, and they have a very limited ability to undergo cell division once mature. Damage to neurons usually results in permanent loss of function.
Correct Answer is C
Explanation
A. Delivers important sensory information about our environmental conditions to our brains:The skin contains sensory receptors that detect touch, pressure, temperature, and pain, sending this information to the brain for interpretation.
B. Holds a portion of the blood's total volume to be shunted (diverted) to other organs when needed:The skin’s extensive vascular network can store blood and redirect it to vital organs during times of need, helping regulate blood pressure and thermoregulation.
C. Gives the body its overall shape, loss of this function can be seen with the drooping of skin with age:While the skin contributes to appearance and elasticity, the body’s overall shape is primarily determined by the skeletal system and underlying musculature.
D. Conducts chemical reactions using the sun’s energy to initiate vitamin D synthesis:The skin is essential for the synthesis of vitamin D when exposed to UVB rays from sunlight, which is a critical metabolic function supporting calcium homeostasis and bone health.
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