An ecological study focuses on groups of people and examines the relationship between exposure and disease
a. True
b. False
Indicate whether the statement is true or false
True
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During pregnancy, exposure to excessive iodine from foods, prenatal supplements, or medications
a. is associated with subsequent development of attention deficit-hyperactivity disorder.
b. increases the risk of the development of gestational diabetes.
c. may cause agitation in the mother and fetus.
d. can result in the fetus developing a severe, life-threatening goiter.
e. rarely has a lasting impact on mother or child.
Which statement made by a mother indicates a need for education about how to keep her infant safe and promote healthy development?
a. "My husband smokes occasionally, but never around our baby.". b. "I don't let my baby watch educational TV programs yet; I think he's too young for that.". c. "I've started my baby in a structured exercise program to make sure he stays fit.". d. "My husband and I like to talk to him even though he can't talk back yet.".
The small intestine is made up of three regions-the duodenum, the jejunum, and the rectum
Indicate whether the statement is true or false.
Which of the following neurotransmitters inhibit the closure of the LES, allowing it to relax?
a. dopamine and serotonin b. acetylcholine and noradrenaline c. GABA and glycine d. nitric oxide and VIP