The right ventricle ________.
A) has thinner muscular walls than does the left ventricle
B) receives blood from the left atrium through the tricuspid valve
C) pumps blood out of the heart to the systemic circuit
D) pumps blood out of the heart through the aortic semilunar valve
E) is connected to the pulmonary veins
Ans: A) has thinner muscular walls than does the left ventricle
You might also like to view...
Venoconstriction reduces the diameter of which vessel?
A) artery B) arteriole C) capillary D) venule E) vein
Steroid hormones exert their action by ________
A) binding cell receptors and initiating cAMP activity B) entering the cell and activating mitochondrial DNA C) entering the nucleus of a cell and initiating or altering the expression of a gene D) activating the hypothalamic release of regulating hormones
How long does it take the average meal to be completely absorbed?
a. 4 hours b. 6 hours c. 12 hours d. 18 hours e. 24 hours
Which of the following terms refers to the attachment of a muscle to the bone or structure that does not move when the muscle contracts?
A. Origin B. Intrinsic C. Extrinsic D. Insertion