Which of the following is NOT involved in fevers?

a. the hypothalamus
b. increase in activity of phagocytes
c. antihistamine
d. cytokines
e. prostaglandins


Answer: c

Biology & Microbiology

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You accidentally consume botulinum toxin by eating a contaminated can of sausages. What do you predict will be the most harmful physiological effect?  

A.  slowed action potential conduction B.  respiratory failure due to spastic paralysis (constant muscle contraction) C.  respiratory failure due to flaccid paralysis (relaxed muscles) D.  pupil dilation Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about botulism? What other information is related to the question? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

When the prey population is above the predator isocline, the predator population is

a. increasing b. decreasing c. neither increasing nor decreasing

Biology & Microbiology

The movement of organic compounds in phloem is

described as a. sink-to-source. b. pressure flow. c. cohesion-tension. d. active transport. e. transpiration pull.

Biology & Microbiology

Which of the following is a function of the skin?

A. protecting underlying body parts from physical trauma B. preventing water loss C. monitor touch, pressure, temperature, and pain D. thermoregulation E. All of the answer choices are functions of the skin

Biology & Microbiology