The period when blood is pushed into the arteries is called ________.
Fill in the blank(s) with the appropriate word(s).
ventricular ejection
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Chronic or excessive enlargement of lymph nodes, a sign called ________, may occur in response to bacterial or viral infections, endocrine disorders, or cancer.
A) lymphadenopathy B) splenectomy C) tonsillitis D) lymphoma E) appendicitis
TSH, ACTH, LH, and FSH are hormones controlled by the posterior pituitary gland
a. true b. false
When blood flow to an area of the lungs is reduced but the area receives normal air flow all of the following occur except
a. the concentration of CO2 in this area will be decreased. b. the change in CO2 concentration will cause the smooth muscles of the local airways to relax. c. the change in CO2 concentration will lead to increased resistance of local airways. d. the change in O2 concentration will lead to dilation of local blood vessels. e. the change in O2 concentration will lead to decreased vascular resistance.
Homologous chromosomes are a pair in which each contains
A. sections of DNA determining the same traits. B. complementary bases for the other. C. the same exact genes. D. a male and female version of the genes.