When the right atrium contracts, the ________.
A. right ventricle always contracts simultaneously
B. left atrium and left ventricle always relax simultaneously
C. left atrium always contracts simultaneously
D. left atrium always relaxes simultaneously
Answer: C
You might also like to view...
Which of the following statements is correct?
A) Ligand-gated ion channels change the ion permeability of the membrane, which results in a response by the target cell. B) Intracellular receptors interact with hydrophilic chemical messengers. C) Receptor enzymes activate extracellular enzymes. D) Gprotein-coupled receptors interact with hydrophobic chemical messengers.
Tissues damaged by myocardial infarction are replaced by connective tissue
Indicate whether the statement is true or false
Use word parts to construct the following medical terms. aden/o cyst/o glomerul/o hemat/o leuk/o nephro/o olig/o pyel/o ureter/o urethr/o ur/o -ectasis -ectomy -emia -itis -lith -oma -osis -pathy -sclerosis -scopy -uria inflammation of the renal pelvis
What will be an ideal response?
What does fever accomplish?
A) Fever inhibits bacterial reproduction and speeds the repair process. B) Fever promotes cell lysis by direct cell attack. C) Fever enables macrophages to attack microorganisms. D) Fever prevents the spread of pathogens to adjacent tissues. E) Fever prevents the formation of complement fixation.