A person enters a heat chamber carrying a raw egg on a plate. As the temperature is gradually increased, the exposed egg is cooked while the subject continues to have a normal internal temperature by mouth thermometer.
Question 1A person enters a heat chamber carrying a raw egg on a plate. As the temperature is gradually increased, the exposed egg is cooked while the subject continues to have a normal internal temperature by mouth thermometer. What mechanism is lacking in the egg but is present in the human subject that maintains homeostasis?
Lack of a circulatory system prevents the egg from distributing the heat.
The egg cannot “breathe away” hot air to “air condition” its body.
The surface-area-to-volume ratio prevents the smaller body from losing heat as fast.
Increased sweating causes evaporation that carries away heat.
The human subject contains more fluid volume to absorb heat.
Question 2Bone
is made of only a hard matrix of inorganic (mainly calcium) salts.
is lacking blood vessels and canaliculi that deliver nutrients.
is formed by concentric rings of bone cells in canaliculi.
is built by bone cells called osteons.
lacks the collagen fibers found in cartilage.
Question 3If you wash your skin and hair many times a day, you will soon have dry skin that cracks and bleeds because you have removed the ________ secreted by ________ that is necessary to keep the skin supple.
sebum; sweat glands
sebum; oil glands
lymph; lymphatic ducts
salty sweat; sweat glands
pili; erectors
Question 4The urine in your bladder is unable to pass out of the bladder through its epithelial lining. Which type of junction exists between these cells?
There is no special junction between these cells.
gap junction
adhesion junction
basement membrane
tight junction
Question 5What tissue is found in pads between the vertebrae?
hyaline cartilage
fibrocartilage
stratified squamous epithelial tissue
elastic cartilage
bone
Question 6Which layer of the skin protects the body from bacterial infection and water loss?
connective tissue layer
basement membrane
epidermis
dermis
hyaline cartilage
Question 7Which of the following is NOT a basic type of tissue?
epithelial
muscular
urinary
connective
nervous
Question 8Which of these is NOT a part of a neuron?
dendrite
cell body
axon
nucleus
neuroglial cell
Question 9Which two types of tissue come together to make a “basement membrane”?
nervous and muscle
nervous and epithelial
epithelial and connective
muscle and connective
connective and nervous
Question 10Which type of tissue has cube-shaped cells and lines kidney tubules?
nerve tissue
columnar epithelium
cuboidal epithelium
squamous epithelium
hyaline cartilage
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