Which of the following is true of the immune system?
A) It is made stronger by prolonged stress.
B) It remembers how to battle antigens, often for years.
C) It cannot recognize pathogens in case of a reoccurring infection.
D) It is typically weakened by short-term stress.
B
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Fathers tend to be more engaged with their children when
a. their spouses are especially busy and the extra help is needed. b. their relationship with their spouses is harmonious. c. their relationship with their spouses is conflictual. d. their spouses are insecurely attached to their children.
_____ is a severe psychological disorder characterized by loss of contact with reality, hallucinations, delusions, inappropriate or flat affect, some disturbance in thinking, social withdrawal, and/or other bizarre behaviors
a) Posttraumatic stress disorder b) Borderline personality disorder c) Generalized anxiety disorder d) Schizophrenia
Dizygotic twinning occurs more often in Asian populations than in African populations
Indicate whether the statement is true or false
The most optimal behavioral state for most research with infants
a. is awake/alert b. is the transition between sleep and waking c. is the transition between deep sleep and light sleep d. comprises approximately 45 percent of the average newborn infant's day