The stroke volume of the heart
1.increases when the end-diastolic volume decreases.
2.increases when the end-systolic volume increases.
3.is independent of autonomic input to the heart.
4. can only be varied by varying end-systolic volume.
5. increases with sympathetic stimulation because the end-systolic volume is decreased.
3
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Which tarsal bone articulates with the anterior surface of the talus?
A. Calcaneus B. Medial cuneiform C. Metatarsal I D. Cuboid E. Navicular
The hyoid bone
A) attaches to tongue muscles. B) is linked to the styloid process by a ligament. C) is superior to the larynx. D) does not directly articulate with other bones. E) All of the answers are correct.
List 3 benefits of the American Association for Laboratory Animal Science (AALAS)
What will be an ideal response?
Similar to neurotransmitters, hormones exert their action only on cells that have specific _______________ that the hormones bind to.
a) gated channels b) receptors c) metabolic pathways