We Know That the Heritability Coefficient for Intelligence Is Roughly

question 254

Multiple Choice

We know that the heritability coefficient for intelligence is roughly +0.50.What does this actually mean?

• A) Intelligence is 50% heritable and 50% due to the environment.
• B) 50% of the variability in IQ scores within a population is due to genetics.
• C) If IQ scores within a population vary by more than 50%, then IQ is due to genetics.
• D) As genetics relatedness increases, so does the correlation between IQ scores.

Understand the appropriate nursing interventions for patient discomfort and potential complications in the PACU.

Identify key roles and responsibilities of the operating room nursing staff, including the circulating nurse.

Recognize the implications of preoperative intake on surgery scheduling and patient safety.

Diagnose symptoms indicating critical postoperative complications such as malignant hyperthermia.

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Definitions:

Synaptic knob

The enlarged end of an axon that facilitates neurotransmitter release into the synaptic cleft, enabling neural communication.

Gray matter

Regions of the brain and spinal cord packed with neuronal cell bodies, dendrites, and unmyelinated axons, playing a key role in processing and regulating neural signals.

Neuron cell bodies

The central part of a neuron (nerve cell) that contains the nucleus and is responsible for processing and transmitting neural information.

Myelinated axons

Nerve fibers surrounded by a protective myelin sheath, facilitating faster transmission of electrical signals in the nervous system.