The anatomical dead space is greatest in which of the following situations?
A) After eating a large meal
B) After watching TV for an hour
C) After waking up from a long nap
D) After swerving to narrowly avoid an accident while driving
D
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The cardiac notch
A. is on the medial aspect of the right lung. B. is on the medial aspect of the left lung. C. is a notch on the heart where the coronary arteries originate. D. is where the pulmonary trunk rests on the heart.
During meiosis II, one spindle fiber fails to attach to a chromosome at the centromere. How will this affect the genetic content of the daughter cells?
A. One daughter cell will have two chromosomes and the other daughter cell will have no chromosomes. B. One daughter cell will have only maternal genes and the other daughter cell will have only paternal genes. C. One daughter cell will have three copies of a chromosome and the other daughter cell will have two copies of that chromosome. D. One daughter cell will contain one extra chromosome and the other daughter cell will have one less of that chromosome.
Mean arterial pressure is:
a. diastolic pressure + (systolic/3) b. systolic pressure + (pulse pressure/3) c. diastolic pressure + (pulse pressure/3) d. pulse pressure - (diastolic pressure/3) e. pulse pressure + (systolic pressure/3)
Which of the following is the largest in size?
A) mature sperm cell B) mature egg cell C) polar body D) they are all approximately the same size