Bio 208 Exam I
- 1.Each of the following are types of multicellular membranes EXCEPT
- A.
Synovial
- B.
Lymphoidal
- C.
Cutaneous
- D.
Mucous
- E.
Serous
- 2.Each of the following are characteristics of collagen EXCEPT
- A.
Bundles of fibrous proteins bound together like a rope
- B.
Strong when pulled from ends
- C.
Branched, wavy, great recoil
- D.
Number and arrangement give strength
- E.
Flexible
- 3.Each of the following are cell types in connective tissue EXCEPT
- A.
Muscle cells
- B.
Mast cells
- C.
Mesenchymal cells
- D.
Microphages
- E.
Melanocytes
- 4.A type of intercellular connection in which the outermost lipid portions of the two cell membranes is fused is termed a(n)
- A.
Gap junction
- B.
Desmosome
- C.
Intermediate junction
- D.
Tight junction
- E.
None of the above
- 5.Examples of fibrous connective tissue includes
- A.
Salivary gland
- B.
Ligaments
- C.
Respiratory passages
- D.
Tendons
- E.
Both B and D
- 6.A transitional epithelium would be found
- A.
Lining the ducts that drain sweat glands
- B.
Lining the urinary bladder
- C.
At the surface of the skin
- D.
Lining blood vesicles
- E.
Lining the stomach
- 7.Which statement below is true about the inside relative to the outside of the cell
- A.
Lower [dissolved proteins] inside
- B.
Lower [K+] inside
- C.
Lower [Na+] inside
- D.
Lower [sugars] inside
- E.
Lower [free amino acids] inside
- 8.What would happen to Volume B if you separated two equal volumes of water by a normal window screen, and then added table sugar to Volume A a week before?
- A.
Side A would have more sugar and less water than Side B
- B.
Side B would have more sugar and less water than Side A
- C.
Side A would have less sugar and less water than Side B
- D.
Both sides would have same amount of sugar and water
- E.
Both sides would have the same amount of water but Side A more sugar
- 9.From the choices below, identify the smallest living functional unit
- A.
An animal
- B.
A cell
- C.
A membrane
- D.
An ion channel
- E.
An enzyme
- 10.Which of the following sequences is true?
- A.
DNA-mRNA-tRNA-protein
- B.
DNA-tRNA-mRNA-protein
- C.
DNA-tRNA-mRNA-protein
- D.
DNA-tRNA-mRNA-protein
- E.
None of the above
- 11.Which of the following is NOT a function of the cell membrane
- A.
Structural support
- B.
Sensitivity to changes in the extracellular fluid
- C.
Controlling movements into the nucleus
- D.
Separation of the cytoplasm from the extracellular solution
- E.
Regulation of exchange of materials with the environment
- 12.When Na+ is moved across the cell membrane against the concentration gradient
- A.
Osmosis occurs
- B.
Cellular ATP is used
- C.
Diffusion occurs
- D.
Vesicles are transported
- E.
Both A and C occurs
- 13.Enzymes __________
- A.
Always raise the energy of activation
- B.
Always have only one active site
- C.
Are deactivated and NOT activated
- D.
Have specific optimal ranges
- E.
Are activated and NOT deactivated
- 14.Of the choices below the LEAST common element that makes up proteins is
- A.
O
- B.
H
- C.
P
- D.
S
- E.
N
- 15.If a substances has a pH that is less than 7, it is
- A.
Acidic
- B.
Basic
- C.
Alkaline
- D.
Buffered
- E.
Both B and C are correct
- 16.A fatty acid that contains three double covalent bonds in its carbon chain is a
- A.
Carboxylated
- B.
Monounsaturated
- C.
Hydrogenated
- D.
Saturated
- E.
Polyunsaturated
- 17.Ions with a negative charge are called
- A.
An anion
- B.
Polyatomic ions
- C.
A cation
- D.
A radioisotope
- E.
A radical
- 18.The group of organic compounds containing carbon, hydrogen, and oxygen in a near 1:2:1 ratio is defined as a
- A.
Protein
- B.
Lipid (but not steroidal)
- C.
Protein
- D.
Carbohydrate
- E.
None of the above
- 19.Which description below best describes all homeostatic processes
- A.
Baseline values do not change over time
- B.
Negative feedback is essential
- C.
Positive feedback is essential
- D.
Baseline values are uncontrolled
- E.
Homeostasis is not autoregulated
- 20.Which three components underlie how homeostasis works
- A.
Receptor, effector, motor
- B.
Motor, control center, feedback
- C.
Effector, control receptor
- D.
Feedback, effector, receptor
- E.
Control center, motor, feedback
- 21.In dealing with physiology, function is related to its
- A.
Cavity
- B.
Size
- C.
Location
- D.
Structure
- E.
System
- 22.The shaft of a long bone is most closely associated with the
- A.
Epiphysis
- B.
Diaphysis
- C.
Periosteum
- D.
Endochondrial
- E.
Appositional
- 23.______ decreases the concentration of calcium in the blood
- A.
Calcitonin
- B.
Calcitriol
- C.
Parathyroid hormone
- D.
Vitamin D
- E.
Both B and D are correct
- 24.Appositional growth in bones is most closely related to growth in
- A.
Bone length
- B.
Osteoclasts
- C.
Epiphyseal conversion
- D.
Bone diameter
- E.
Bone turnover
- 25.Large, multinucleated cells that can dissolve the bony matrix are termed
- A.
Osteocytes
- B.
Osteoclasts
- C.
Osteoblasts
- D.
Stem cells
- E.
Chondrocytes
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