NUR 631 Patho

NUR 631 Patho
1. An Increase in extracellular potassium ion from 4.0 to 6.0mEq/L would?
A. Make it more difficult to reach threshold and produce an action potential
B. Hypopolarize the resting membrane potential
C. Alter the threshold potential
D. Hyperpolarize the resting membrane potential
Answer
B. Hypopolarize the resting membrane potential
2. Glycolysis is the metabolic process of breaking down a glucose molecule to form?
A. 30 ATP
B. 2 ATP and 2 pyruvate
C. CO2 and H20
Answer
B. 2 ATP and 2 pyruvate
3. Characteristics of smooth muscles include?
A. Contraction being short-lived
B. Veing under voluntary control
C. Being found in blood vessels
D. Having striations
Answer
C.Being found in blood vessels
4. Results of biochemical tests indicate an infant has PKU.The parents ask what PKU means.
Which indicatesthe nurse needsto review thisinformation?
A. PKU results from a chromosome abnormality called nondisjunction
B. PKU is an inborn error of metabolism
C. PKU is transmitted as an autosomal-recessive disorder
D. PKU is an anzyme deficiency resulting in the inability to metabolize phenylalanine
Answer
A. PKU results from a chromosome abnormality called nondisjunction