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Each sarcomere in the skeletal muscle is bounded by?
A. Myofibrils
B. Actin filaments
C. Muscle fibers
D. Z discs
A patient who experienced severe head trauma following an automobile accident is having difficulties maintaining balance. The most likely region of the brain affected is..?
A. Cerebellum
B. Pons
C. Reticular formation
D. Hypothalamus
Which of the following is a method of sexual reproduction?
A. Budding
B. Binary fission
C. Vegetative reproduction
D. Self fertilization flowers
Which of the following can be a cause of amenorrhea?
A. Damage to bones
B. Lowering of heart rate
C. Loss of body fat
D. An increase of muscle mass
How are sensory receptors different from typical neurons?
A. They do not use neurotransmitters to communicate with others
B. They are found only in the brain
C. They generally work within a reflex arc
D. They can generate action potentials of various stregths to represent stimuli of varying strengths
Which of the following types of cells are involved in the antibody mediated immune response?
A. B cells
B. Macrophages
C. Helper t cells
D. Cytotoxic t cells
Which disease can affect the human nervous system?
A. Botulism
B. Anthrax
C. Salmonella infection
D. MRSA
The tiny structures that contain the respiratory surface of the human body are called..?
A. Bronchioles
B. Respiratory tracts
C. Capillaries
D. Alveoli
State what happens when the pressure in the atrium is higher than the pressure in the ventricle.
Why must neurotransmitters, once released, quickly be disposed of?

a.
They will block the release of more neurotransmitters

b.
They will produce a continuous postsynaptic effect

c.
They are toxic to presynaptic cells

d.
They may diffuse to the blood stream

e.
None of the above
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