Which of the following can INCREASE the force of contraction of the ventricles?
A. Increased parasympathetic activity to the heart
B. Decreased total peripheral resistance
C. Increased end-diastolic volume
D. All of the above increase force of contraction
Answer: C. Increased end-diastolic volume
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Gastrointestinal tract lymph is also called ________.
Fill in the blank(s) with the appropriate word(s).
Nervous control of gastric secretion is provided by ________.
A) somatic neurons in the spinal cord B) the vagus nerve and enteric plexus C) the rubrospinal tracts D) the reticulospinal and vestibulospinal tracts
Anticodons, codons, and base triplets correspond to ________ respectively
A) RNA, DNA, and pre-mRNA B) tRNA, DNA, and mRNA C) tRNA, mRNA, and DNA D) DNA, RNA, and pre-mRNA E) DNA, tRNA, and mRNA
Regarding fertilization, which of the following events happens first?
A. The cortical reaction B. The acrosomal reaction C. Formation of a fertilization membrane D. The slow block to polyspermy E. The fast block to polyspermy