Download 1. Which of the following carries nerve impulses from pressure

MCAS Biology Ms. Chen Name: Date: Do Now 12/4/13 Directions: Underline key terms in each question and circle the best answer. 1. Which of the following carries nerve impulses from pressure receptors in
the skin to the central nervous system?
A.
capillary
B.
marrow
C.
motor neuron
D.
sensory neuron
2. Which term describes the maintenance of a steady internal state in the
body?
A.
gametogenesis
B.
homeostasis
C.
mitosis
D.
respiration
3. Acetylcholine is a neurotransmitter in the human body. As a
neurotransmitter, acetylcholine is directly responsible for which of the
following?
A speeding up the rate of biochemical reactions in cells
B assisting in the transport of nutrients in the bloodstream
C carrying the signal for a nerve impulse from one neuron to the next
D facilitating diffusion of amino acids across the plasma membrane of cells
4. A diagram of a body system is shown below.
Which of the following is a primary function of this system?
A. maintaining body temperature
B.
supporting the weight of the body
C.
filtering nitrogenous waste from the blood
D. coordinating nervous responses in the body
5. Acetylcholine is a neurotransmitter in the human body. As a
neurotransmitter, acetylcholine is directly responsible for which of the
following?
A speeding up the rate of biochemical reactions in cells
B assisting in the transport of nutrients in the bloodstream
C carrying the signal for a nerve impulse from one neuron to the next
D facilitating diffusion of amino acids across the plasma membrane of cells
6. Degenerative nerve diseases destroy nerve cells. These diseases can lead
to paralysis by interfering with which of the following?
A transport of hormones that stimulate muscle cells
B production of ATP that is required by muscle cells
C transmission of electrochemical signals from the brain to muscle cells
D exchange of oxygen and carbon dioxide between neurons and muscle cells