CSS :: Circulatory System Physiology
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51. |
The heart rate of a person having 102?F temperature as compared to a person having normal temperature will be: |
A. |
Increased |
B. |
Decreased |
C. |
Normal |
D. |
First increased then decreased |
Answer: Option A
Explanation:
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52. |
What will happen to our heart beat in case our body temperature is decreased: |
A. |
Increased |
B. |
Decreased |
C. |
First increased then decreased |
D. |
Nothing |
Answer: Option C
Explanation:
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53. |
Why do we have techycardia during fever? |
A. |
Because the increase in temperature increase the heart rate |
B. |
Because parasympathetic system releases more sympathin |
C. |
Because more acetylcholine is liberated at the free nerve endings of sympathetic nerve fibres |
D. |
Because of some reason other than these |
Answer: Option A
Explanation:
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54. |
An increase in the heart rate is termed: |
A. |
Bradycardia |
B. |
Tachycardia |
C. |
Tachybradycardia |
D. |
None of these |
Answer: Option B
Explanation:
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55. |
A decrease in the rate of beating of heart is called: |
A. |
Bradycardia |
B. |
Tachycardia |
C. |
Bradytachycardia |
D. |
None of these |
Answer: Option B
Explanation:
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56. |
Free nerve endings of sympathetic nervous system will release which of these substances during the condition of tachycardia in our body: |
A. |
Acetylcholine |
B. |
Adrenaline |
C. |
Noradrenaline |
D. |
None of these |
Answer: Option C
Explanation:
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57. |
Which of these substances will be produced by our body in order to bring state of bradycardia: |
A. |
Acetylchoiline |
B. |
Adrenaline |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option A
Explanation:
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58. |
Which of these will be produced in the body during fever when we have tachycardia: |
A. |
Adrenaline |
B. |
Noradrenaline |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option B
Explanation:
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59. |
If a person is given an injection of noradrenaline, then his heart would show: |
A. |
Bradycardia |
B. |
Techycardia |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option B
Explanation:
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60. |
Hypoxia in our body would: |
A. |
Increase our heart rate |
B. |
Decrease our heart rate |
C. |
Bring first increase then decrease |
D. |
Not at all affect heart rate |
Answer: Option A
Explanation:
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