Individuals with asplenia are missing their spleen or have a spleen that doesn't function well. Why is it recommended that these patients talk to their doctor about vaccines that are indicated for their health?
What will be an ideal response?
Answer: Individuals with asplenia have a decreased or absent splenic filtration system and a decreased amount of antibody, placing them at risk for infection
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The most powerful respiratory stimulus for breathing in a healthy person is ________.
A) loss of oxygen in tissues B) increase of carbon dioxide C) pH (acidosis) D) pH (alkalosis)
Which is a TRUE statement about events occurring in the menstrual cycle?
A. Each peak in estrogen concentration is accompanied by an even greater peak in progesterone concentration. B. FSH reaches its highest concentration 3 days before menstruation begins. C. Progesterone is low during the first half of the cycle, and rises to a peak during the second half. D. Ovulation occurs exactly in the middle of the follicular phase of the cycle. E. The corpus luteum normally degenerates on day 14 of the cycle.
Nervous tissue regenerates well.
Answer the following statement true (T) or false (F)
Choose the answer that correctly lists, in chronological order, the events involved in synaptic transmission
a: A nerve impulse reaches the synaptic knob. b: Neurotransmitter molecules diffuse across the synaptic cleft. c: A nerve impulse begins in the postsynaptic cell. d: Neurotransmitter molecules bind to receptors in the postsynaptic cell. e: A voltage change occurs in the postsynaptic cell. A. a, c, b, d, e B. a, b, e, d, c C. c, b, d, e, a D. a, b, d, e, c E. c, a, b, d, e