Reference no: EM134040483

Questions

1. Which of the following types of gates control ion channels in action potentials?

1) mechanically gated

2) chemically gated

3) voltage gated

2. When carbon dioxide moves from the inside of a skeletal muscle cell into the plasma, it passes through which fluid compartment?

1) intercellular fluid

2) intracellular fluid

3) intravascular fluid

4) interstitial fluid

3. Which of the following is an example of an organ system?

1) red blood cell

2) integumentary

3) heart

4) skin

5) antibody

6) neuron

7) myocardium

4. Which rececptors are stimulated at the sympathetic neuroeffector junction?

1) adrenergic

2) cholinergic muscarinic

3) cholinergic nicotinic

5. Which of the following is an effector for the sympathetic nervous system?

1) spinal cord

2) sympathetic neurons

3) skeletal muscle cell

4) endocrine gland

6. Which rececptors are stimulated on effectors of chemicals secreted from the adrenal medulla?

1) cholinergic nicotinic

2) cholinergic muscarinic

3) adrenergic

7. Which rececptors are stimulated on the motor end plate?

1) cholinergic nicotinic

2) cholinergic muscarinic

3) adrenergic

8. An agonist of receptors at the neuromuscular junction would increase:

1) diffusion of sodium out of the cell

2) muscle relaxation

3) depolarization of skeletal muscle cells

4) uptake of neurotransmitter

9. The efferent pathway resulting in skeletal muscle contraction is:

1) spinal cord

2) parasympathetic neurons

3) somatic motor neuron

4) skeletal muscle cell

10. Which rececptors are stimulated at the parasympathetic neuroeffector junction?

1) cholinergic nicotinic

2) adrenergic

3) cholinergic muscarinic