Which of the following statements regarding C1 inhibitor (C1INH) is false? (Select all that apply.)
a. C1INH belongs to a family of serine and cysteine protease inhibitors called the serpins.
b. C1INH inhibits C1r but not C1s, so partial serine protease activation is achieved in the classical complement pathway.
c. C1INH is cleaved by C1.
d. When bound to C1 as a pseudosubstrate, it activates the protease activity of C1.
e. Heterozygous individuals who have a single-gene defect in C1INH cannot make sufficient quantities of the gene product and must receive recombinant C1INH by infusion.
B,D
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Break down the medical word into its word parts, and give the meaning of each word part. Then, give the definition of the medical word.
Exophthalmos Definition: Prefix and definition: Combining form and definition: Suffix and definition:
Spinal axons conveying a signal for conscious somatosensation from the upper limb ascend in which of the following?
A. Ventral horn B. Fasciculus gracilis C. Fasciculus cuneatus D. Internal arcuate fibers E. Medial lemniscus
An elderly patient presents to the Emergency Department with an extremely high fever. The doctor is concerned the patient might have a systemwide disease caused by bacteria in the circulating blood. This condition is called:
A) lymphoma B) splenomegaly C) anemia D) septicemia
A patient has been advised to add a nasal spray (an adrenergic decongestant) to treat a cold. The nurse will include which instruction?
a. "You won't see effects for at least 1 week." b. "Limit use of this spray to 3 to 5 days." c. "Continue the spray until nasal stuffiness has resolved." d. "Avoid use of this spray if a fever develops."