Which of the following ions plays a major role in bringing about myocardial contraction during Phase 2 of the cardiac action potential?
A. Sodium ions
B. Magnesium ions
C. Calcium ions
D. Chloride ions
Answer: C
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A nonstress test in which there are two or more fetal heart rate accelerations of 15 or more beats per minute with fetal movement in a 20-minute period is termed:
a. nonreactive. b. positive. c. negative. d. reactive.
The nurse is completing the minimal data set (MDS) for an older patient. What are characteristics of this assessment? Standard Text: Select all that apply
1. Eliminates listing the patient's prescribed medications 2. Identifies health insurance coverage that is not Medicare or Medicaid 3. Provides a multidimensional view of the patient's functional capacities 4. Used primarily to determine the amount of funding the patient has for long-term care 5. Includes a core set of screening, clinical, and functional measures used in patient assessment
The school nurse notes a 6-year-old running across the playground with his friends. The child stops in midstride, freezing for a few seconds. Then the child resumes his progress across the playground. The school nurse suspects what in this child?
A) An absence seizure B) A myoclonic seizure C) A partial seizure D) A tonic-clonic seizure
The linkages in concepts of theories assist in which of the following?
A) Developing hypotheses B) Identifying new knowledge C) Assisting in conceptual map D) Provide a framework for the theory