In a motor unit, each neuron innervates (controls) a single muscle fiber.
Answer the following statement true (T) or false (F)
False
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What is tissue thromboplastin?
A. A compound released by healed tissues that initiates clot dissolution B. A compound released by damaged tissue that initiates the extrinsic clotting pathway C. A compound that keeps platelets from sticking to the endothelium D. A precursor to prothrombin E. A compound released by damaged tissue that initiates the intrinsic clotting pathway
What is the origin of the muscle labeled B?
a) upper lip b) mandible c) medial wall of orbit d) skin at the corner of the mouth e) skin of the eyebrow
If there was a mechanical trauma to the skin, which two characteristics would help protect the skin? (Choose both correct answers.)
A) Desmosomes between the keratinocytes in the stratum spinosum B) The dense irregular connective tissue of the dermis C) The lamellar granules of the stratum granulosum D) The tactile corpuscles of the papillary region of the dermis
When comparing the female pelvis with the male pelvis, which of the following statements is false?
A. The female pelvis is heavier. B. The ilium is more flared in the female pelvis. C. The ischial spines are further apart in the female pelvis. D. The subpubic angle is 90 degrees or greater in the female pelvis. E. The female pelvis is broader.