When treating cerebral edema it is important to know that a high PaCO2 causes
A) vasoconstriction.
B) tissue perfusion.
C) permissive hypotension.
D) vasodilation.
Answer: D
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The neospinothalamic tract terminates in the
a. VPL of the thalamus b. Cerebral cortex c. Brainstem and hypothalamus d. Spinal cord
Your patient is a 20-year-old female college student who lives in a dormitory. She complains of weakness, fever, chills, nausea, a rash on her chest, and neck pain. Physical examination reveals warm, moist skin; pain with flexion of her neck; and a petechial rash on her chest. HR = 92, BP = 108/68, RR = 14, SaO2 = 99%. Which of the following is most appropriate?
A) Place an N-95 respirator on the patient, transport BLS, notify the hospital before arrival B) Place a face mask on your patient and yourself, transport BLS, notify the hospital before arrival C) Administer oxygen by nonrebreather, BLS, and transport D) Administer O2 via nonrebreather mask, cardiac monitor, IV of normal saline, and transport
What is the only organ that does NOT require insulin for glucose to enter its cells?
A) Liver B) Brain C) Heart D) Pancreas
What are the major WBCs involved in specific defenses?
A. B cells B. T cells C. Macrophages and lymphocytes D. Haptens E. Cytokines