Helen Conrad, Age 54, Was Recently Diagnosed with Epilepsy

question 23

Multiple Choice

Helen Conrad, age 54, was recently diagnosed with epilepsy. She is very upset about the news. A therapeutic interaction might be

• A) "Look on the bright side; things could be worse."
• B) "The doctor will prescribe medication, which will probably prevent most seizures."
• C) Distract the patient by discussing the weather.
• D) Offer the patient advice on how to drive safely.
• E) Listen attentively while the patient talks about her fears.

Analyze data using the Wilcoxon rank sum test to compare two independent groups.

Understand the principles and execution of nonparametric tests for analyzing monotonic associations and differences.

Acquire skills in computing and interpreting Spearman's rank correlation to assess the strength of association between two variables.

Understand the role and purpose of indicator (dummy) variables in regression models.

---

Definitions:

Blastocyst

Stage of mammalian embryos that consists of the inner cell mass and a thin trophoblast layer enclosing the blastocele.

Depolarization

The process in which the resting membrane potential becomes less negative, moving towards zero, typically as a precursor to an action potential in neurons.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the entry and exit of substances in and out of the cell.

Polyspermy

The fertilization of an egg by more than one sperm, which is normally prevented in many species to ensure proper development.