In a patient with dyspnea, the prefix dys- tells us that the patient has breathing that is ________
A) difficult
B) fast
C) normal
D) slow
A
Explanation: A) Correct! Dys- means "abnormal; difficult; painful."
B) Dys- does not mean "fast."
C) Dys- does not mean "normal."
D) Dys- does not mean "slow."
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A prefix that means self is ________.
Fill in the blank(s) with the appropriate word(s).
The normal balance (homeostasis) between new bone deposition and bone resorption (breakdown) is maintained by all of the following, EXCEPT ________
A) exercise and exposure to the sun B) parathyroid hormone and calcitonin hormone C) calcium and vitamin D in the diet D) all of the above
Which of the following differentiates the AMPA and the NMDA glutamate-gated channels? Choose the correct option
A) The NMDA-gated channels are permeable to both Na+ and Ca2+. B) The inward current through NMDA-gated channels is voltage-dependent. C) The activation of NMDA receptors can cause widespread and lasting changes in the postsynaptic neuron. D) The NMDA-gated channels are permeable to both Na+ and Ca2+; The inward current through NMDA-gated channels is voltage-dependent; The activation of NMDA receptors can cause widespread and lasting changes in the postsynaptic neuron
An infection that occurs due to exposure to a disease-causing agent while in the hospital is an example of a/an ________ disease
A) idiopathic B) nutritional C) nosocomial D) symptomatic