Multiple choice answers
Chapter 6
1. What is a stridor?
a) A harsh sound heard on inspiration, indicating obstruction of the
larynx?
b) A harsh sound heard on expiration, indicating obstruction of the
larynx?
c) A noise that occurs on inspiration through the nose, usually during
sleep. It is indicative of partial obstruction of the upper airway?
d) A noise that occurs on expiration through the nose, usually during
sleep. It is indicative of partial obstruction of the upper airway?
Answer = a.
2. What is central cyanosis?
a) A blue tinge to the hands and feet?
b) Blue extremities and laboured breathing?
c) Blueness of the mucous membranes of the mouth, lips and conjunctivae?
d) Pallor of the extremities and laboured breathing?
Answer = c.
3. What is the resting heart rate of a new-born child?
a) 80?
b) 100?
c) 90?
d) 120?
Answer = d.
4. What is peripheral resistance determined by?
a) blood viscosity, blood vessel length and blood volume
b) blood viscosity, blood vessel length and blood vessel diameter?
c) blood viscosity, blood volume and blood vessel diameter?
d) Blood volume, blood vessel length and blood vessel diameter?
Answer = b.
5. What is the normal P-R Interval?
a) 0.01-0.12 seconds?
b) 0.12-0.16 seconds?
c) 0.12-0.20 seconds?
d) 0.20-0.21 seconds?
Answer = c. |
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