(A) Poor nutrition and/or poor physical conditions are factors that predispose to the development of osteomyelitis but do not cause it. (B) An unclean or unhygienic environment may predispose to the development of chronic osteomyelitis, but it does not cause an exacerbation of the previous infection. (C) Sluggish circulation through the medullary cavity during acute osteomyelitis may delay healing, but it does not cause the disease to become chronic. (D) Areas of sequestrum may be surrounded by dense bone, become honeycombed with sinuses, and retain infectious organisms for a long time.

(A) Bleeding is not a symptom of sickle cell anemia or sickle cell crisis. (B) Decreased blood viscosity leads to sickling of red blood cells. Increased fluid intake maintains adequate circulating blood volume and decreases the chance of sickling. (C) Hypoxia leads to sickling of cells. Flying in nonpressurized planes places the client in a situation of low O2 tension, which can lead to sickling. (D) Male and female clients with sickle cell disease can pass the trait on to their offspring. Therefore, this client should receive genetic counseling prior to having children.

Explanation/Reference:
Explanation:
(A) The maximum time for suctioning is 10-15 seconds. (B) Supplemental O2should be administered before and after suctioning to reduce hypoxia. (C) The maximum time for suctioning is 10-15 seconds. (D) Strict sterile technique should be used during suctioning.

Explanation/Reference:
Explanation:
(A) This answer is correct. Persons with antisocial personality disorder typically are very manipulative. (B) This answer is incorrect. The client's behavior cannot cause another person to become psychotic. (C) This answer is incorrect. Psychosis is not a symptom of antisocial personality. One of the criteria for diagnosis of this disorder is that no psychosis be present. In addition, the client would love the attention. (D) This answer is incorrect. Self-mutilative behavior is characteristic of the borderline personality disorder.

(A) These activities could be frustrating for the client if he is having difficulty with problem solving and concentration. (B) Selfcare is usually well received by the child, and it is one of the most useful interventions to help the child cope with immobility. (C) This may be helpful to the client if he has no visitors, but it does little to help him develop coping skills. (D) This will helpto prevent skin irritation or breakdown related to immobility but will not help to prevent behavioral changes related to immobility.