Health Educational Systems HESI Online Practice Questions and Exam Preparation

Health Educational Systems HESI Online Questions & Answers

• Question 391:

  Which chemical(s) carry an impulse along a nerve cell?

  A. iron and sodium
  B. scandium and iron
  C. sodium and potassium
  D. hydroxyapatite
  C. sodium and potassium

• Question 392:

  Which of the following saccharides are commonly associated with the sweet taste of fruit?

  A. Glucose.
  B. Fructose.
  C. Lactose.
  D. Galactose.
  B. Fructose.

• Question 393:

  Which of these statements is true regarding the way light travels?

  A. Sound travels faster than light.
  B. Light travels as both a wave and a particle.
  C. The speed of light is always the same regardless of the medium through which it travels.
  D. Light can not travel through a vaccum.
  B. Light travels as both a wave and a particle.

• Question 394:

  What word meaning "obvious or visible" fits best in the sentence?

  The doctor had put his _______ opinion in the plainest language possible; there was nothing more to be done for the patient besides comfort care.

  A. professional
  B. condoned
  C. single
  D. overt
  D. overt

• Question 395:

  

  What is the author's primary purpose in writing this essay?

  A. to explain how to utilize the nanoscale
  B. to review the conversion between the nanoscale and nanotechnology
  C. to advocate for the usage of more nanotechnology
  D. to describe nanotechnology and what it is
  D. to describe nanotechnology and what it is

• Question 396:

  All genes can be described using the Punnett Square method. True or False?

  A. True
  B. False
  B. False

• Question 397:

  A pea plant has alleles for the dominant tall gene (T) and the recessive short gene (t). Therefore, it appears as Tt. Which of the following will correctly describe its phenotype if there is complete dominance? And which describes incomplete dominance? (complete, incomplete)

  A. Tall, Tall
  B. Average. Tall
  C. Tall, Average
  D. Tall, Short
  C. Tall, Average

• Question 398:

  What is the best description for the term overt?

  A. Closed or obstructed
  B. First or most significant
  C. Adverse or negative
  D. Easily observed and obvious
  D. Easily observed and obvious

• Question 399:

  Positive feedback is a mechanism used by the body that results in amplification or enhancement of a signal that has already been activated. An example of this would be ____.

  A. shivering to increase temperature
  B. the release of oxytocin to increase contractions during childbirth
  C. slowing metabolism in response to starvation
  D. blood vessels regulating blood pressure
  B. the release of oxytocin to increase contractions during childbirth

• Question 400:

  What is 5 + 11.45 + 4.033?

  A. 20.78
  B. 20.483
  C. 15.533
  D. 15.488
  B. 20.483