How do nerve gases interfere with synaptic transmission at the neuromuscular junction? Choose the correct option
A) By blocking transmitter-gated ion channels at neuromuscular junction
B) By inhibiting the enzyme AChE
C) By increasing the availability of AChE
D) By exhausting the number of synaptic vesicles in the synaptic terminal
Ans: B
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People with the HLA haplotype A1, B8, DR3 have an increased nonresponse rate to which
vaccine? A) Polio B) Diptheria/pertussis/tetanus (DPT) C) Hepatitis B virus (HBV) D) Influenza virus E) Measles/mumps/rubella (MMR)
The collection of symptoms that may occur prior to a seizure are known as an ________.
Fill in the blank(s) with the appropriate word(s).
The primary infection stage of HIV is characterized by
A) recurrent opportunistic infections. B) genital warts. C) night sweats. D) cirrhosis.
Answer the following statement(s) true (T) or false (F)
1. The relaxation response produces specific physiological changes we can learn to make to counteract stress. 2. Reframing is a stress-coping strategy that emphasizes the negative aspects of life. 3. Exercise is useful as a stress-coping technique because it allows the body to play out the fight-or-flight response. 4. If you feel "in control" of your life, you are better able to cope with the stresses of life. 5. Chronic arousal of the fight-or-flight response causes chemical wear and tear on the body.