Answer the following statements true (T) or false (F)
1. Repolarization occurs just before contraction.
2. The QRS complex usually hides the repolarization of the atria.
3. A patient with a very unusual P wave is more seriously ill than a patient with a very unusual QRS complex.
4. Veins always carry blood back to the heart.
5. Veins always carry oxygen-poor blood.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
You might also like to view...
Which type of joint is found between the patella and femur?
A. Gliding B. Saddle C. Fibrous D. Cartilaginous E. Condylar
The tRNA molecule contains the three-base sequence called the
A) anticodon. B) aminocodon. C) semicodon. D) codon.
A condition that produces a reduction in bone mass or density sufficient to compromise normal function is
A) acromegaly. B) osteoporosis. C) cretinism. D) osteitis. E) osteomyelitis.
Nuclei within the gray matter of the spinal cord that receive information from sensory receptors such as pain or pressure receptors in the skin are ________ nuclei.
A. autonomic motor B. somatic sensory C. visceral sensory D. somatic motor