A direct blow to the chest at a vulnerable point in the cardiac cycle, leading to cardiac arrest is known as:
A) commotio cordis.
B) ALTE.
C) livor mortis.
D) ventricular hypertrophy.
Answer: A
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Moderate rises in pleural pressure during positive-pressure ventilation have a minimal effect on cardiac output in normal subjects. What are some reasons for this lack of effect?
1. Compensatory dilation of the large arteries 2. Compensatory increase in venomotor tone 3. Compensatory increase in the cardiac rate a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only
Explain why organizational skills are important for a dental administrator
What will be an ideal response?
The puncture site should be allowed to dry before puncture so that a well-formed drop of blood will form.
Answer the following statement true (T) or false (F)
In a healthy adult at rest, what is the normal range for stroke volume index?
a. 30-65 mL/beat/m2 c. 60-130 mL/beat/m2 b. 40-80 mL/beat/m2 d. 20-120 mL/beat/m2