Which of the following drugs is a cardiac glycoside that has the fastest yet least prolonged action?
A. ATPase
B. Digoxin
C. Milrinone lactate
D. Propranolol
b
Rationale: The action of digoxin is faster yet less prolonged than that of the other cardiac glycoside (digitoxin). ATPase, milrinone lactate, and propranolol are not cardiac glycosides.
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Most defects in beta thalassemia are a result of what genetic defect?
a. Loss of gene expression because of promoter region methylation b. Point mutations in regions of the DNA controlling gene expression c. Deletion of the structural globin gene d. Omission of the alpha globin chain
The term meatus refers to the ________.
A. urinary tract opening B. vagina C. rectum D. testicles
Geneva is 8 months pregnant when she finds out that she has acquired the herpes simplex 2 virus. She is looking forward to having the baby and plans a natural childbirth at a nearby birthing facility. What is the greatest danger with this plan?
A. Geneva may have trouble delivering the baby naturally because she has herpes. B. There are no particular dangers, as long as both mother and baby receive antiviral medication. C. Geneva may die in childbirth if she is having a herpes outbreak at the time. D. Natural childbirth may cause the baby to contract the virus, with potentially fatal results. E. Her husband may leave her if the baby is born with herpes.
Which of the following are hazards or complications of Intermittent Positive-Pressure Breathing (IPPB) according to the American Association for Respiratory Care (AARC) Clinical Practice Guideline: Intermittent Positive-Pressure Breathing?
I. increased airway resistance II. barotrauma III. impedance of venous return IV. gastric distension A) I B) I and II C) I, II, and III D) I, II, III, and IV