Which of the following exemplifies a second-class lever in the human body?
A. Plantar flexion of the ankle to raise the body on the toes
B. When the iliopsoas is used to flex the thigh at the hip
C. When the hamstrings contract to flex the leg at the knee in a standing position
D. The biceps brachii
Answer: A
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Creams are absorbed into the skin and exert a local, not systemic, drug effect
Indicate whether the statement is true or false.
Which of the following has NOT been studied as a possible cause of SIDS?
a. sleep apnea b. airway spasms c. pulmonary emboli d. all have been considered
Which form of diabetes is associated with pregnancy?
A) type 2 diabetes B) gestational diabetes C) prediabetes D) type 1 diabetes