In a negative feedback mechanism
The response of the effector is to depress or end the original stiumulus
Wally was sweating profusely as he ran the 10K race. The sweat glands producing the sweat would be considered which part of the feedback system?
All of the following are examples of the four major elements contributing to body mass (Hydrogen, Carbon, Oxygen, Nitrogen) NOT:
Biochemical tests show a cell with replicated DNA, but incomplete synthesis of proteins needed for cell division. In what stage of the cell cycle is the cell most likely to be?
Cyanide binds to at least one molecule that is involved with ATP synthesis. In cells exposed to cyanide, most of the cyanide would be found in:
Which of the following would you expect to find in or on cells whose main function is absorption?
After the A&P exam, Walter drank a six-pack of beer and had to make several trips to the bathroom. The increase in urination reflects an increase in what process occuring in the kidneys?
The process in which a sampling of particulate matter is engulfed and brought into the cell is called
The RNA species that carries the coded message, specifiying the sequence of amino acids in the protein to be made, from the nucleus to cytoplasm is
Which of the following collections of similar cells are integrated together for a common function?
Which of the following are organic compounds? Pick all that apply: Carbon Dioxide, H20, fats, Oxygen, Glucose, Enzymes, KCl, DNA?
Fats, Glucose, Enzymes, DNA
An endocrine cell able to synthesize but not secrete protein hormones might have a malfunctioning
If a cell were poisoned with a substance that prevented the synthesis of ATP and the function of the Sodium-Potassium Pump, which ion would start to increase in concentration within the cell?
The term used to describe the type of solution in which cells will lose their water to their environment is
The end product of dehydration synthesis of a carbohydrate is
monosaccharides become joined together to form a disaccharide
Fluid moves out of capillaries by filtration. If the plasma glucose concentraion is 100mg/dl, what will be the concentration of the glucose in the filtered field?
Consider the following: A DNA segment has this nucleotide sequence: AAGCTCTTACGAATATTC. Which mRNA matches or is complementary?
Consider the following: A DNA segment has this nucleotide sequence: AAGCTCTTACGAATATTC. How many amino acids are coded in this segment?
An individual accidentally transected the spinal cord between T1 and L1. This would result in
An individual who could trace a picture of a bicycle with his or her finger but could not recognize it as a bicycle is most likely to have sustained damage to the
visual association area
Which statement about coma is true?
Coma is defined as total unresponsiveness to stimuli for a long period of time
Mixed cranial nerves containing both motor and sensory fibers include all except which of the following?
The flexor muscles in the anterior arm (biceps brachii and brachialis) are innervated by what nerve?
A patient who received a blow to the side of the skull exhibits the following signs and symptoms on that side of the face: he is unable to close his eye, and the corner of his mouth droops. Which cranial nerve has been damaged?
The period after an initial stimulus when a neuron is not sensitive to another stimulus is the
absolute refractory period
Which of the following is not a function of the autonomic nervous system?
innervation of skeletal muscle
A neuron that has as its primary function the job of connecting other neurons is called an
Which of the following is false or incorrect?
A nerve impulse occurs if the excitatory and inhibitory factors are equal
In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is
negatively charged and contains less sodium
Select the correct statement about serial processing.
Spinal reflexes are an example of serial processing
Assume that an EPSP is being generated on the dendritic membrane. Which will occur?
a single type of channel will open, permitting simultaneous flow of Na+ and K+
Inhibition of acetylcholinesterase by poisoning blocks neurotransmission at the neuromuscular junction because
ACh is blocked from attaching to the postsynaptic ACh receptors
The anatomical region of a multipolar neuron that has the lowest threshold for generating an AP is the
Fiber tracts that allow neurons within the same cerebral hemisphere to communicate are
A professor unexpectedly threw Susan's A&P book on the floor during A&P class. The students looked up, startled. The reflexive movements of their eyes were mediated by the
Victims of Polio will experience loss of certain somatic reflexes and eventually paralysis. The virus attacks and destroys which horn of the spinal cord?
The sciatic nerve is composed of the following two nerves in a common sheath:
tibial and common fibular
Which of the following are high-amplitude waves seen during deep sleep and when the RAS is damped? In awake adults, they indicate brain damage.
What region of the brain recognizes and predicts sequences of events so that it may adjust for multiple forces exerted on a limb during complex movements involving several joints. This activity occurs subconsciously.
left cerebral hemisphere
What is the central core of the fore brain which consists of the thalamus, hypothalamus, and epithalamus?
This area is called the "executive suite" of the nervous system, where our conscious mind is found.