According to the American College of Sports Medicine and the Centers for Disease Control and Prevention, people should participate in at least __________
a) 1 hour of exercise at least 5 days a week
b) 30 minutes of vigorous physical activity at least 5 days a week
c) 30 minutes of moderate physical activity at least 5 days a week
d) 10 minutes of activity at least 5 days a week
Answer: c
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Once the “threshold” for an action potential is reached what is the sequence of events that occur?
1. Potassium channels are activated and potassium ions move out of the neuron. 2. Sodium channels are activated and sodium ions move into the neuron. 3. The interior of the neuron becomes more negatively charged than the exterior. 4. The interior of the neuron becomes more positively charged than the exterior. a. 1, 3, 4, 2 b. 2, 4, 1, 3 c. 4, 1, 2, 3 d. 3, 2, 1, 4
In __________, normal body cells mutate, an event that can occur at any time of life
A) somatic mutation B) germline mutation C) polygenic inheritance D) genomic imprinting
The neurotransmitters that regulate the activity of other neurons and affect memory, pain, emotion, pleasure, mood, hunger, sexual behavior, and other basic processes are called
a. somatic ions. b. amyl opiates. c. organic placebos. d. neuropeptides.
Trevor was taken to the police station for questioning because he was suspected of committing a robbery. While the police are transporting Trevor to the station, he confesses. The police had not yet begun questioning Trevor and had not yet given him the Miranda warning. Is this confession admissible?
A. Yes, the confession is admissible as the suspect is in the custody of police. B. No, it is not as the police interrogation is not yet started. C. Yes, but confession is taken in violation of Miranda warnings. D. No, is not admissible till the suspect is accompanied by his lawyer.