Which one of the following is the primary stimulus to breathe in normal human beings?
A) Level of CO2 in the body
B) Amount of oxygen required by the body
C) Level of oxygen in the body
D) Amount of nitrogen in air
A
You might also like to view...
________ Meningitis is a common early childhood viral infection characterized by a sudden high fever, which can last about four days, followed by a rash of tiny pink spots on the head and trunk
Indicate whether the statement is true or false
A light, popping, nonmusical sound heard upon auscultation of the lungs is best described as:
A) wheezing. B) crackles. C) stridor. D) rhonchi.
Based on the structure of the nervous system, which of the following is true?
A) A stroke represents an injury to the peripheral nervous system. B) A gunshot wound to the spinal cord will directly damage the peripheral nerves. C) A deep laceration to the arm can sever peripheral nerves. D) Numbness in a fractured leg indicates damage to the autonomic nervous system.
Mr. Laufenberg is 81 years old. He has been living alone, but he admits that he just can't seem to get around as well as he used to. His daughter, Vera, and her husband have invited him to live with them, and Mr. Laufenberg is delighted. Vera has brought him to the office for a general checkup. While she is there, she asks if there is anything she needs to change in her home. Which of the following guidelines might you give to Vera?
A. Remove all mats and rugs from the bathtub and shower B. Install secure handrails near the bathtub and toilet C. Reduce lighting near stairs and doorways to reduce glare D. Remove carpeting from stairs E. Place throw rugs on bare floors to help warm the feet