1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
alina1380 [7]
3 years ago
14

A 17-year-old student has experienced reversible, periodic attacks of chest tightness with coughing, wheezing, and hyperpnea. Sh

e states that expiration is more difficult than inspiration. She is most comfortable sitting forward with arms leaning on some support. X-rays revealed mild overinflation of the chest. Results from laboratory and pulmonary function tests are as follows:
Frequency 20 breaths/min
Vital capacity (VC) 2.9 L
FEV1.0 1.4 L
FEV1.0/FVC 56%
Functional residual capacity (FRC) 3.89 L
Total lung capacity (TLC) 6.82 L
PaO2 70 mm Hg
PaCO2 26 mm Hg
Pulse 108 b/min
BP 120/76 mm Hg
Intermittent use of a bronchial smooth muscle dilator (1:1000 epinephrine by nebulizer) for several days caused marked improvement, resulting in the following laboratory and pulmonary function tests:

VC 4.15 L
FEV1.0 3.1 L
FEV1.0/FVC >75%
FRC 3.7 L
TLC 5.96L
PaO2 89 mm Hg
PaCO2 38 mm Hg
Pulse 129 b/min
BP 122/78 mm Hg


Pick 3 Questions to Discuss!

1. What is the disorder of this 17-year-old student?

2. Is this primarily a restrictive or an obstructive disorder? Why?

3. Why is expiration more difficult than inspiration in this person?
Biology
1 answer:
maksim [4K]3 years ago
8 0
573737537282637382257283
You might be interested in
4. <br> When a Na atom, loses one electron, it gets a charge of _______.<br><br> -1<br><br> +1
Kruka [31]

Answer:

+1

Explanation:

because when an atom loses an electron it gains

8 0
3 years ago
Read 2 more answers
quizlet urine is produced by the urine is produced by the ureter. gallbladder. kidney. urinary bladder. urethra.
Step2247 [10]

Answer:

Urine is produced in the kidneys

Explanation:

Urine is a substance which is a mix of urea and water. Urea comes from the liver and other parts of the body but it is made into urine in the kidneys.

5 0
1 year ago
Which of the following is true about the alleles for hemoglobin in humans?
MissTica
C)
The difference between allele A and allele S is due to changes in the environment.
8 0
3 years ago
Read 2 more answers
You briefly expose bacteria undergoing DNA replication to radioactively labeled nucleotides. When you centrifuge the DNA isolate
noname [10]

Answer:

leading strands and Okazaki fragments

5 0
3 years ago
When is the kinetic energy of a pendulum the least?
Gwar [14]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The Correct choice is ~

" At the top of the swing where it briefly stops before changing direction "

before changing the direction, it stops for a while therefore the kinetics energy is almost zero at that particular moment ~

8 0
3 years ago
Read 2 more answers
Other questions:
  • How do the unique properties of each element in CHONP allow life to build complex structures?
    5·1 answer
  • Commercial printing uses an area of patterned dots called a ________. the dots vary in size depending on the level of color need
    11·2 answers
  • Which of these two genera has the most prominent mucilaginous sheath?
    14·1 answer
  • Polysaccharides include starch, cellulose, and glycogen. These long, chain like polymers make ideal storage products due to ther
    5·1 answer
  • Why is it important to follow the steps of washing your hands
    15·2 answers
  • A substance or molecule that participates in a chemical reaction is called
    15·1 answer
  • Science. Which student is correct?
    11·1 answer
  • This answer is B right? :)
    11·2 answers
  • TRNA:
    10·1 answer
  • If a protein loses the er srp signal and has a stop signal but nothing else it goes where?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!