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1 | |
Epithelial tissue absorbs molecules from kidney tubules because of fine cellular extensions called ______ . |
| | A) | cilia |
| | B) | microvilli |
| | C) | flagella |
| | D) | pseudopods |
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2 | |
Glands that secrete their product into ducts are called ______ glands. |
| | A) | endocrine |
| | B) | exocrine |
| | C) | isocrine |
| | D) | leaky |
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3 | |
Connective tissue ______ . |
| | A) | provides support |
| | B) | stores fat |
| | C) | forms blood cells |
| | D) | All of these are correct. |
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4 | |
Connective tissue cells are separated widely by ______ . |
| | A) | insulation |
| | B) | a matrix |
| | C) | fluid |
| | D) | collagen |
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5 | |
The protein collagen provides ______ to connective tissues. |
| | A) | flexibility |
| | B) | strength |
| | C) | flexibility and strength |
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6 | |
The fibroblasts in adipose tissue enlarge and store ______ . |
| | A) | protein |
| | B) | starch |
| | C) | fat |
| | D) | sugar |
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7 | |
In cartilage, the cells lie in small chambers called ______. |
| | A) | mountings |
| | B) | lamellae |
| | C) | adipose |
| | D) | lacunae |
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8 | |
Which cartilage is found in the pads between the vertebrae? |
| | A) | hyaline |
| | B) | elastic |
| | C) | fibrocartilage |
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9 | |
The most rigid connective tissue is called ____. |
| | A) | muscle |
| | B) | plasma membrane |
| | C) | membrane-bounded nucleus |
| | D) | ribosomes |
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10 | |
In compact bone, bone cells are located in lacunae that are arranged in concentric circles around tiny cylinders called ______ . |
| | A) | osteocyte |
| | B) | canal |
| | C) | osteons |
| | D) | matrix |
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11 | |
Which components of blood are fragments of giant cells? |
| | A) | platelets |
| | B) | red blood cells |
| | C) | white blood cells |
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12 | |
Which connective tissue matrix is not made by the cells? |
| | A) | bone |
| | B) | blood |
| | C) | cartilage |
| | D) | bone, blood, and cartilage |
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13 | |
Skeletal muscle fibers are ______ . |
| | A) | smooth |
| | B) | striated |
| | C) | spindle-shaped |
| | D) | fragmented |
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14 | |
Where is smooth muscle found? |
| | A) | intestines |
| | B) | stomach |
| | C) | blood vessels |
| | D) | intestines, stomach, and blood vessels |
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15 | |
The brain and spinal cord contain conducting cells called ______ . |
| | A) | codons |
| | B) | neurons |
| | C) | axons |
| | D) | leukocytes |
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16 | |
Neuroglial cells ______ . |
| | A) | support neurons |
| | B) | protect neurons |
| | C) | provide nutrients to neurons |
| | D) | support, protect, and provide nutrients to neurons |
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17 | |
Freely moving joint cavities are lined with _____ membranes. |
| | A) | synovial |
| | B) | serous |
| | C) | pleural |
| | D) | mucous |
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18 | |
The _____ system transports nutrients and oxygen to cells and removes their waste. |
| | A) | digestive |
| | B) | cardiovascular |
| | C) | excretory |
| | D) | respiratory |
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19 | |
The skin covers the body, protecting the underlying parts from ______ . |
| | A) | physical trauma |
| | B) | microbial invasion |
| | C) | water loss |
| | D) | physical trauma, microbial invasion, and water loss |
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20 | |
The ______ layer lies below the dermis of the skin. |
| | A) | epidermis |
| | B) | gastrodermis |
| | C) | subcutaneous |
| | D) | supracutaneous |
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21 | |
Which of these is an example of homeostasis? |
| | A) | The pressure of blood |
| | B) | The pH of the blood |
| | C) | The concentration of glucose in the blood |
| | D) | The body temperature |
| | E) | All of these are examples of homeostasis |
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