B-cell proliferation is triggered by IL-2, IL-4, and IL-5 . Each of these cytokines is secreted by activated TH cells thus their action is
A. antagonistic.
B. cascade inducible.
C. pleiotropic.
D. redundant.
E. synergistic.
D
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What is the most common cause of cancer death in the United States?
A) prostate cancer B) lung cancer C) breast cancer D) colon and rectal cancer
A nurse is preparing to educate a group of clients in the cardiac step-down unit about antiarrhythmic medications. Which of the following statements is true about antiarrhythmics? (Select all that apply.)
a. If you skip a dose, you can double up on the next dose. b. Rise slowly from the reclining position. c. Avoid taking any other medication, including OTC medicines, unless approved by the physician. d. Side effects such as palpitations and faintness are expected and should ignored. e. Take the medication on an empty stomach to enhance absorption.
Which blood type is called the universal recipient?
A) Type A B) Type B C) Type O D) Type AB
Read the following excerpt from this patient's health record:Patient Name: Manuel SkaykenChief Complaint: Confusion, fever.History of Present Illness: Manuel Skayken is a 15-year-old boy who presents with a 2-day history of fever to 104°F. He has been more lethargic today and his headache has worsened. He has photophobia and his parents are concerned that he is acting abnormally. He is not using his right arm and legs as much as his left arms and legs. He appears ataxic in his gait and has been hypersomnolent at home. His parents are concerned that he is not responding to questions normally.Past Medical History: Somnambulation, otherwise noncontributory.Medications: None.Allergies: NKDA.Social History: Lives at home with his parents. Sophomore in high school. A/B
student.Nonsmoker.Surgical History: None. Which of the following is NOT true about this patient's medical history? A. The patient is fainting and losing consciousness. B. The patient's walk is lacking coordination. C. The patient is sensitive to light. D. The patient is sleeping a lot at home. E. The patient has a history of sleep walking.