CSS :: Integumentary System
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51. |
Milky secretion of which of the following glands is responsible forcharacteristic smell of rabbits: |
A. |
Mammary glands |
B. |
Inguinal glands |
C. |
Zeis glands |
D. |
Meibomian glands |
Answer: Option B
Explanation:
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52. |
Several pairs in two ventrolateral rows the mammary glands are found in: |
A. |
Cow, sheep, goat |
B. |
Dogs, cat, pig |
C. |
Rodents |
D. |
None of these |
Answer: Option B
Explanation:
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53. |
Had the dead keratinized cells of our skin been living ones, most important disadvantage would have been: |
A. |
Stopping of perspiration |
B. |
Growth of bacteria upon skin |
C. |
Entrance of bacteria into body through skin |
D. |
Stopping of hair growth upon skin |
Answer: Option B
Explanation:
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54. |
A frog is transferred from 20?C to 30?C, its body temperature: |
A. |
Rises to 25?C |
B. |
Rises to 30?C |
C. |
Falls to 15?C |
D. |
Remains unchanged |
Answer: Option B
Explanation:
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55. |
A homoiothermal animal is one in which: |
A. |
Body temperature changes with that of environment |
B. |
Body temperature remains constant under all environmental conditions |
C. |
Body temperature first changes according to environmental temperature but soon returns to normal constant level |
D. |
Body temperature remains at constant level for some time but ultimately changes according to environmental temperature |
Answer: Option B
Explanation:
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56. |
When a bird is transferred from 30?C to 10?C, its body temperature: |
A. |
Is maintained at original level due to increased dissipation of heat |
B. |
Is maintained at original constant level due to increased conservation and production of heat |
C. |
Rises above normal level due to increased production and conservation of heat |
D. |
Declines due to increased dissipation of heat |
Answer: Option B
Explanation:
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57. |
One of the mechanisms for increasing heat production and conservation in mammals involves: |
A. |
Decreased flow of blood into skin to increase heat transfer to it |
B. |
Decreased flow of blood into skin to decrease heat transfer to it |
C. |
Decreased flow of blood into skin to increase heat transfer from it |
D. |
Increased flow of blood into skin to decrease heat transfer from it |
Answer: Option B
Explanation:
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58. |
Which of the following features of human skin tends to prevent evaporation of water from it: |
A. |
Presence of sweat glands and their secretion |
B. |
Dry, dead cells of stratum corneum |
C. |
Subcutaneous fat |
D. |
Presence of melanin |
Answer: Option B
Explanation:
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59. |
Milk glands are characteristics feature of: |
A. |
All vertebrates |
B. |
All mammals |
C. |
Placental mammals |
D. |
Man and domestic animals |
Answer: Option B
Explanation:
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60. |
Capacity of mammals to raise their hairs erect by muscles attached to hair follicles is primarily concerned with: |
A. |
Fighting enemies |
B. |
Faster evaporation of sweat |
C. |
Greater insulation for preservation of body heat |
D. |
Greater perception of contact stimuli |
Answer: Option C
Explanation:
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