1. An Increase in extracellular potassium ion from 4.0 to 6.0mEqL would?

NUR 631 Patho

• An Increase in extracellular potassium ion from 4.0 to 6.0mEq/L would?
• Make it more difficult to reach threshold and produce an action potential
• Hypopolarize the resting membrane potential
• Alter the threshold potential
• Hyperpolarize the resting membrane potential

Answer

• Hypopolarize the resting membrane potential

• Glycolysis is the metabolic process of breaking down a glucose molecule to form?

A. 30 ATP

• 2 ATP and 2 pyruvate
• CO2 and H20

Answer

• 2 ATP and 2 pyruvate

• Characteristics of smooth muscles include?

• Contraction being short-lived
• Veing under voluntary control
• Being found in blood vessels
• Having striations

Answer

• Being found in blood vessels

• Results of biochemical tests indicate an infant has PKU. The parents ask what PKU means.

Which indicates the nurse needs to review this information?

• PKU results from a chromosome abnormality called nondisjunction
• PKU is an inborn error of metabolism
• PKU is transmitted as an autosomal-recessive disorder 1 / 2

• PKU is an anzyme deficiency resulting in the inability to metabolize phenylalanine

Answer

• PKU results from a chromosome abnormality called nondisjunction

• Which of the following correctly match intracellular organelles to their function?

• Lysosomes

Digest organic waste materials

• Mitochondria

Produce proteins

• Lysosomes

Digest organic waste materials

• Approximately what percentage of the human DNA chromosomes code for proteins?

A. 10%

• 1%

C. 80%

D. 50%

Answer

• 1%

• Your patient's red blood cell count is slightly elevated today. This might be explained by

the following EXCEPT?

• Illness
• Normal variation
• Cultural variation
• / 2