Which tissue layer of the abdominal wall provides the greatest strength and support of the wound?
a. skin
b. fascia
c. peritoneum
d. subcutaneous fat
b
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Why does the body need vitamin B9?
a. For the synthesis of the neurotransmitters required for normal nerve cell communication, such as serotonin and dopamine b. For oxidation-reduction reactions and protein metabolism c. For energy production and the formation of red blood cells d. For the health of mucous membranes in the digestive tract and to aid absorption of iron and vitamin B6
A mechanically ventilated pediatric patient in the process of being weaned is switched to PC-IMV with PS. The respiratory therapist notes that every PS breath is being time cycled. The most likely cause of this is which of the following?
a. The PS setting is too high. b. The flow cycle setting is too low. c. This is the normal cycle for PS. d. A large leak is present around the cuffless ET tube.
Lp (a) is considered a risk factor for developing atherosclerosis due to which of the following?
A. It competes with fibrinogen for binding sites, thus interfering with clot lysis and increasing the risk of acute myocardial infarction (AMI) B. It is produced by macrophages and expressed in atherosclerotic lesions C. It activates complement D. It competes with plasminogen for binding sites, thus interfering with clot lysis and increasing the risk of acute myocardial infarction (AMI)
Apnea is the absence of breathing
a. True b. False Indicate whether the statement is true or false