What is considered the pacemaker of the heart?
A. the sinoatrial node
B. medulla oblongata
C. the atrioventricular node
D. Purkinje fibers
E. atrioventricular bundle
Answer: A
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Insulin promotes synthesis of ______.
A. protein B. fat C. glycogen D. two of the above E. all of the above
Mendel's laws derive from
A) mitosis. B) meiosis. C) processes unique to pea plants. D) calculus and algebra.
The lowest part of the uterus is the
a. vagina. b. vulva. c. oviduct. d. cervix. e. urethra
Select the best response to the question. What should be considered when a patient's urine culture result is positive for Escherichia coli?
A) This is an example of a pathogen that has invaded the body. B) This is a normal finding; no treatment is needed. C)Normal flora is causing infection in a part of the body where it doesn't belong. D) The urine culture must be repeated to validate the findings.