Blood in the pulmonary veins is ________
A) oxygenated
B) entering the heart and going to the lungs
C) leaving the heart to go to the systemic circuit
D) deoxygenated
Answer: A
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a) leakage channel b) ligand-gated channel c) mechanically gated channel d) voltage-gated channel e) pressure-sensitive channel
Which of the following inserts into a tendinous sheet, rather than a bone?
A) extensor carpi ulnaris B) flexor carpi radialis C) extensor digitorum D) palmaris longus E) flexor digitorum
The T wave of an ECG corresponds to
A) atrial depolarization. B) atrial diastole. C) ventricular systole. D) ventricular repolarization. E) atrial repolarization.
Select the fundamental units of chromatin.
A)nucleosomes B)chromosomes C)DNA linker segments D)histones