Why is there an increase in the proportion of single people in the U.S.?


Postponement of marriage.
Many couples deciding to live together.
Increased rate of divorce.
Single people encounter less social stigma today than in the past.
Women not as financially dependent on men as their mothers and grandmothers.

Health & Biomechanics

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Following routine newborn testing, an infant has been diagnosed with an elevated phenylalanine level. The nurse teaches the parents to follow a strict low-protein diet to prevent which of the following major complications for the infant?

A) Kidney failure B) Impaired brain development C) Thyroid metabolism errors D) Cardiac valvular disorders

Health & Biomechanics

A normal adult female hemoglobin level is:

A) 11–13 grams. B) 12–16 grams. C) 12–14 grams. D) 12–13 grams.

Health & Biomechanics

Contraceptive implants are more effective at preventing pregnancy than oral contraceptives

Indicate whether the statement is true or false.

Health & Biomechanics

Answer the following statement(s) true (T) or false (F)

1. Listening to music cannot lower stress hormones. 2. Laughter decreases blood flow. 3. College students are especially vulnerable for depression because the onset for mental disorders is often among the 18-25 age group. 4. Loneliness and social isolation have little or no effect on the immune system. 5. Stress can lead to obesity, depression, and increase the aging process.

Health & Biomechanics