Sahar's baby is 6 months old and teething.
Sahar had the baby at a health care office for a 6-month checkup and Sahar is appropriately wearing a mask.
The baby started to cry.
What may be the cause of the baby crying?

Choice A rationale

Learning to use creative energies is associated with the initiative vs. guilt stage, typically seen in preschool-aged children. During this stage, children assert control and power over their environment through directing play and other social interactions.

Choice B rationale

Defining a sense of self pertains to the identity vs. role confusion stage, which occurs in adolescence. This stage focuses on developing a personal identity and a sense of self. Adolescents explore different roles, beliefs, and values to form a unique identity.

Choice C rationale

Building a sense of trust is linked with the trust vs. mistrust stage, experienced in infancy. In this stage, infants learn to trust their caregivers and environment if their needs are consistently met, establishing a foundation for future relationships.

Choice D rationale

Learning to perform tasks independently corresponds to the autonomy vs. shame and doubt stage, typical of toddlers. In this stage, children develop a sense of personal control over physical skills and a sense of independence.

Choice A rationale

A 6-month-old infant typically grasps objects voluntarily, which is a normal developmental milestone.

Choice B rationale

The posterior fontanel usually closes between 2 to 3 months of age, so it being closed at 6 months is normal.

Choice C rationale

It's expected for an infant's birth weight to double by about 5 to 6 months of age, indicating healthy growth.

Choice D rationale

Head lag in a 6-month-old indicates a delay in motor development and should be reported as it can signal neurological issues.