All of the following statements refer to events of tissue repair. Put the events in proper numbered order according to the sequence of occurrence. The initial event, the injury, is already indicated as number one
1.
The skin receives a cut that penetrates into the dermis and bleeding begins.
2. Epithelial regeneration is nearly complete.
3. Granulation tissue is formed.
4. Blood clotting occurs and stops the blood flow.
5. The wound retracts.
6. Macrophages engulf and clean away cellular debris.
7. Fibroblasts elaborate connective tissue fibers to span the break.
What will be an ideal response
1, 4, 3, 7, 6, 5, 2
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If a patient has pernicious anemia, the inability of the body to absorb vitamin B12, the patient __________.
A. would have reduced blood iron levels B. would have a decreased number of red blood cells C. would have increased levels of hemoglobin D. would not experience any effects on red blood cells
Cervical spinal nerve 5 would not contain which of the following types of nerve fibers?
a. somatic motor b. somatosensory c. postganglionic sympathetic d. special sensory
A moderate diffuse axonal injury:
A) is generally characterized by a brief loss of consciousness, with or without retrograde amnesia. B) causes a prolonged loss of consciousness and affects axons in both cerebral hemispheres. C) is the most common result of blunt head trauma and is associated with temporary neuronal dysfunction. D) produces an immediate loss of consciousness and residual neurologic deficits when the patient wakes up.
Where do most RBCs die?
A) Lymph nodes and thymus B) Spleen and liver C) Stomach and liver D) Red bone marrow E) Stomach and small intestine