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1 | | Endocrine glands secrete their product into _____. |
| | A) | the bloodstream |
| | B) | a duct |
| | C) | an organ |
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2 | | When pancreatic juices travel from the pancreas through the pancreatic duct to the small intestine, the pancreas is acting as an _____ gland. |
| | A) | exocrine |
| | B) | endocrine |
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3 | | There are _____ types of epithelial tissues. |
| | A) | one |
| | B) | two |
| | C) | three |
| | D) | four |
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4 | | Stratified means the tissue has layers piled one on top of the other. |
| | A) | True |
| | B) | False |
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5 | | The respiratory tract is lined with _____ which helps sweep impurities toward the throat so they don't enter the lungs. |
| | A) | hyaline cartilage |
| | B) | adipose tissue |
| | C) | pseudostratified ciliated columnar epithelium |
| | D) | skeletal muscle |
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6 | | A group of similar looking cells performing a similar function is a(n) _____. |
| | A) | organ |
| | B) | tissue |
| | C) | organ system |
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7 | | The mouth, pharynx, esophagus, stomach, small intestine, large intestine and anus would collectively be referred to as a _____. |
| | A) | tissue |
| | B) | organ |
| | C) | organ system |
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8 | | In vertebrate animals, there are _____ major types of tissues. |
| | A) | one |
| | B) | two |
| | C) | three |
| | D) | four |
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9 | | Body parts are bound and supported by _____ tissue. |
| | A) | muscle |
| | B) | connective |
| | C) | nervous |
| | D) | epithelial |
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10 | | A single layer of flat cells would be called _____ epithelium. |
| | A) | pseudostratified columnar |
| | B) | simple cuboidal |
| | C) | simple squamous |
| | D) | stratified columnar |
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11 | | In loose connective tissue, the fibroblasts are separated by a _____ matrix. |
| | A) | jellylike |
| | B) | rigid |
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12 | | How are epithelial tissue cells joined to one another? |
| | A) | tight junctions |
| | B) | adhesion junctions |
| | C) | gap junctions |
| | D) | all of the above |
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13 | | The epithelial lining of the digestive system needs to be leakproof so the cells would be joined by _____ junctions. |
| | A) | tight |
| | B) | adhesion |
| | C) | gap |
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14 | | Layers of cube-shaped cells piled on top of one another are _____ epithelium. |
| | A) | simple squamous |
| | B) | simple columnar |
| | C) | pseudostratified columnar |
| | D) | stratified cuboidal |
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15 | | A layer of simple squamous epithelium combined with a layer of smooth muscle and some loose fibrous connective tissue that transport blood away from the heart would be a(n) _____. |
| | A) | tissue |
| | B) | organ |
| | C) | organ system |
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16 | | Cardiac muscles cells exchange ions through _____ junctions so they can all contract together. |
| | A) | tight |
| | B) | gap |
| | C) | adhesion |
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17 | | Collagen provides flexibility and strength. |
| | A) | True |
| | B) | False |
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18 | | The outer layer of skin of most animals is formed of _____ tissue. |
| | A) | muscle |
| | B) | nervous |
| | C) | epithelial |
| | D) | connective |
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19 | | In terrestrial vertebrates, skin cells contain _____, a substance that decreases water loss. |
| | A) | keratin |
| | B) | glycogen |
| | C) | hyaline |
| | D) | lignin |
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20 | | Which is a function of connective tissue? |
| | A) | lost parts regeneration |
| | B) | fat storage |
| | C) | blood cell formation |
| | D) | all of the above |
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21 | | Tendons and ligaments contain _____. |
| | A) | adipose tissue |
| | B) | pseudostratified columnar epithelium |
| | C) | smooth muscle |
| | D) | dense fibrous connective tissue |
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22 | | Calcium salts are deposited in the matrix of _____. |
| | A) | bone |
| | B) | adipose |
| | C) | nervous tissue |
| | D) | all of the above |
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23 | | The presence of loose fibrous connective tissue in the lungs, arteries, and urinary bladder allows these organs to expand. |
| | A) | True |
| | B) | False |
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24 | | Which of the following is in the correct order of from the lowest level to the highest level of organization of living things? |
| | A) | tissue, organ system, cell, organ |
| | B) | molecule, tissue, cell, organ system |
| | C) | cell, tissue, organ, organ system |
| | D) | organ system, tissue, cell, molecule |
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25 | | The thin nonliving proteinaceous layer that anchors epithelium in place is called the _____. |
| | A) | intercellular matrix |
| | B) | basement membrane |
| | C) | haversian system |
| | D) | none of the above |
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26 | | Connective tissue cells are usually widely separated by a _____. |
| | A) | intercellular matrix |
| | B) | basement membrane |
| | C) | haversian system |
| | D) | all of the above |
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27 | | The fibroblasts of _____ tissue enlarge and store fat which insulates and pads the body. |
| | A) | loose fibrous connective |
| | B) | elastic connective |
| | C) | hyaline cartilage |
| | D) | adipose |
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28 | | In humans, cartilage is found _____. |
| | A) | at the end of the nose |
| | B) | in the trachea |
| | C) | within intervertebral disks |
| | D) | all of the above |
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29 | | Some vertebrates have entire skeletons of cartilage. |
| | A) | True |
| | B) | False |
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30 | | The central canal in a Haversian system contains _____. |
| | A) | blood vessels |
| | B) | nerve fibers |
| | C) | both A and B |
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31 | | Blood is unlike other types of connective tissue because its intercellular matrix is fluid. |
| | A) | True |
| | B) | False |
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32 | | In vertebrates, the blood contains _____. |
| | A) | fibroblasts |
| | B) | osteocytes |
| | C) | platelets |
| | D) | all of the above |
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33 | | Which muscle fibers are striated? |
| | A) | skeletal |
| | B) | smooth |
| | C) | both A and B |
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34 | | Smooth muscle _____. |
| | A) | is found in the stomach |
| | B) | is involuntary |
| | C) | helps regulate blood pressure |
| | D) | all of the above |
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35 | | Cardiac muscle seems to combine features of both smooth muscle and skeletal muscle. |
| | A) | True |
| | B) | False |
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36 | | Contraction of the _____ muscle is under voluntary control. |
| | A) | cardiac |
| | B) | skeletal |
| | C) | smooth |
| | D) | all of the above |
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37 | | Nervous tissue is present in _____. |
| | A) | the brain |
| | B) | nerves |
| | C) | the spinal cord |
| | D) | all of the above |
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38 | | Neurons have fibers called _____ which are found outside the brain and spinal cord in nerves. |
| | A) | dendrites |
| | B) | axons |
| | C) | both A and B |
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39 | | Neurons are supported, protected and nourished by a group of cells called _____. |
| | A) | neuroglia |
| | B) | osteocytes |
| | C) | fibroblasts |
| | D) | squamous cells |
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40 | | Myelin sheaths around neuron fibers in the brain and spinal cord are formed by _____. |
| | A) | stratified squamous epithelium |
| | B) | osteons |
| | C) | oligodendrocytes |
| | D) | fibroblasts |
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41 | | Which of the following is a function of the neuroglial cells? |
| | A) | growth factor production. |
| | B) | phagocytosis of bacteria. |
| | C) | provide nutrients. |
| | D) | both b and c. |
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42 | | Which is the outer layer of skin? |
| | A) | subcutaneous |
| | B) | dermis |
| | C) | epidermis |
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43 | | Which of the following is a function performed by the skin? |
| | A) | vitamin D synthesis |
| | B) | regulation of body temperature |
| | C) | protection from water loss |
| | D) | all of the above |
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44 | | Goose bumps are the result of contraction of the arrector pili muscles that are attached to the hair follicles. |
| | A) | True |
| | B) | False |
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45 | | Hair follicles and sebaceous glands are found in the _____ layer of skin. |
| | A) | epidermal |
| | B) | dermal |
| | C) | subcutaneous |
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46 | | In the skin, the receptors for pressure, touch, temperature and pain are all the same. |
| | A) | True |
| | B) | False |
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47 | | If sebaceous glands fail to discharge their oily secretions, whiteheads or blackheads result. |
| | A) | True |
| | B) | False |
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48 | | Excessive development of the dermal layer of skin accompanies obesity. |
| | A) | True |
| | B) | False |
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49 | | The dermal layer of skin contains _____. |
| | A) | melanocytes |
| | B) | adipose tissue |
| | C) | keratinized cells |
| | D) | none of the above |
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50 | | The subcutaneous layer is composed of _____. |
| | A) | stratified squamous epithelium |
| | B) | adipose tissue |
| | C) | loose connective tissue |
| | D) | both B and C |
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51 | | The epidermis contains _____ which produce the pigment responsible for skin color. |
| | A) | hair follicles |
| | B) | melanocytes |
| | C) | Pacinian corpuscles |
| | D) | fibroblasts |
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52 | | The epidermis is composed of _____ epithelial tissue. |
| | A) | pseudostratified ciliated columnar |
| | B) | simple cuboidal |
| | C) | stratified squamous |
| | D) | all of the above |
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53 | | The major portions of the digestive and excretory systems are in the _____ cavity. |
| | A) | thoracic |
| | B) | abdominal |
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54 | | Some authorities call skin the _____ system. |
| | A) | urinary |
| | B) | lymphatic |
| | C) | cardiovascular |
| | D) | integumentary |
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55 | | If you get a paper cut, the skin's ability to _____ will be compromised. |
| | A) | regulate body temperature |
| | B) | prevent pathogen invasion |
| | C) | produce vitamin D |
| | D) | protect you from UV radiation |
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56 | | The thoracic cavity contains the _____. |
| | A) | heart |
| | B) | liver |
| | C) | pancreas |
| | D) | kidneys |
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57 | | The same organ systems are found in all vertebrate animals. |
| | A) | True |
| | B) | False |
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58 | | The dorsal body cavity contains the _____. |
| | A) | spinal cord |
| | B) | diaphragm |
| | C) | brain |
| | D) | both A and C |
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59 | | The system responsible for protecting the body from disease is the ______ system. |
| | A) | muscular |
| | B) | endocrine |
| | C) | immune |
| | D) | urinary |
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60 | | The acquisition of materials and energy is the responsibility of the _____ system. |
| | A) | digestive |
| | B) | skeletal |
| | C) | muscular |
| | D) | all of the above |
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61 | | Which of the following will help prevent the possible occurrence of skin cancer? |
| | A) | wearing a baseball hat. |
| | B) | staying out of the sun from 10 A.M. until 3 P.M. |
| | C) | getting a tan with a tanning bed. |
| | D) | all of the above. |
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62 | | Cancer causing UV-B rays are less prevalent at midday. |
| | A) | True |
| | B) | False |
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63 | | The regulating center for body temperature is located in the _____. |
| | A) | hypothalamus |
| | B) | thalamus |
| | C) | both A and B |
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64 | | To achieve homeostasis _____ must stay within a normal range. |
| | A) | body temperature |
| | B) | blood pressure |
| | C) | blood pH |
| | D) | all of the above |
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65 | | The _____ system maintains the amount of oxygen and carbon dioxide in the blood. |
| | A) | digestive |
| | B) | urinary |
| | C) | respiratory |
| | D) | immune |
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66 | | Anti-diuretic hormone (ADH) is released when blood pressure is low. ADH causes the kidneys to retain water which increases blood pressure. Then ADH decreases. This is an example of _____ feedback. |
| | A) | positive |
| | B) | negative |
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67 | | Negative feedback control results in fluctuation above and below an average. |
| | A) | True |
| | B) | False |
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68 | | During labor, oxytocin stimulates uterine contractions. Uterine contractions stimulate the continued production of oxytocin. This is an example of _____. |
| | A) | positive |
| | B) | negative |
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69 | | Homeostasis is controlled by _____. |
| | A) | the nervous system |
| | B) | hormones |
| | C) | both A and B |
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70 | | When body temperature falls below normal, the regulatory center _____. |
| | A) | directs the blood vessels of the skin to dilate |
| | B) | directs the skeletal muscle to contract resulting in shivering |
| | C) | activates the sweat glands |
| | D) | all of the above |
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71 | | A useful analogy for how a negative feedback mechanism works is the control of the heating system in a house by a thermostat. |
| | A) | True |
| | B) | False |
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72 | | Positive feedback occurs less often than negative feedback. |
| | A) | True |
| | B) | False |
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73 | | When body temperature is too high the blood vessels of the skin _____. |
| | A) | dilate |
| | B) | constrict |
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74 | | The regulatory centers bring about a response that is opposite to present conditions with _____ feedback. |
| | A) | positive |
| | B) | negative |
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75 | | The absence of homeostasis can cause an organism to die. |
| | A) | True |
| | B) | False |
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