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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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