John sees Martha; the pupils of his eyes dilate. It is "love at first sight." What division(s) of the ANS is/are involved?
A. Somatic motor division
B. Sympathetic division
C. Parasympathetic division
D. Both "Sympathetic division" and "Parasympathetic division" are correct.
Answer: B
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Cerebral hemorrhage refers to bleeding from the blood vessels within the brain.?
Indicate whether the statement is true or false
Creatine phosphate (CP) functions within the muscle cells by ________
A) forming a temporary chemical compound with myosin B) forming a chemical compound with actin C) inducing a conformational change in the myofilaments D) storing energy that will be transferred to ADP to resynthesize ATP as needed E) storing energy that will be transferred to ATP to resynthesize ADP as needed
A person works an office job that requires them to be in a sitting position for 10 hours a day. They go home and sit until they go to bed. This person never exercises and rarely gets up to move around after being seated. Their joints begin to constantly feel stiff and painful. On a physiological level, what has happened to cause these symptoms?
A. Disuse of the joint causes ossification of the fibrocartilage, creating arthritic joints. B. Lack of movement hinders blood from moving through the vessels of the synovial membrane, which starves the ligaments of nutrients and causes them to lose elasticity. C. Being stuck in the same position for long periods of time causes the ligaments to physically decay, stiffening the joints. D. Lack of movement drives the synovial membranes to stop producing synovial fluid, which then causes friction to generate upon movement of the joints.
When the left and right contract, they flex the head and neck.
a. sternocleidomastoid b. longissimus group c. splenius d. rectus abdominis