What is the term for a high-pitched, whistling sound during breathing, often associated with asthma or bronchiolitis in children? A) Rales B) Stridor C) Wheezing D) Crackles

which of the following influences the bonding of oxygen to to hemoglobin?  a) pH  b) oxygen concentration  c) temperature  d) all of the above

10) The heme group in myoglobin has a lower affinity for carbon monoxide as compared to free heme. What statement below best explains this observation? a) Myoglobin lowers the pH around the heme group. b) Myoglobin has negatively charged groups around the heme group. c) Heme is buried in the core of myoglobin making the heme inaccessible. d) Steric hindrance around the heme group caused by R groups in myoglobin. e) The iron ion of free heme is replaced with a copper ion in myoglobin.

What is the most common portal of entry?   Question 12 options:   a)  food & water   b)  mucous membranes   c)  skin   d)  vomiting   e)  respiratory aerosols

Choose below the correct order of the oxygen binding proteins from lowest to highest affinity for oxygen. A) Fetal hemoglobin < adult hemoglobin < myoglobin B) Adult hemoglobin < fetal hemoglobin < myoglobin C) Myoglobin < fetal hemoglobin < adult hemoglobin D) Fetal hemoglobin ← myoglobin < adult hemoglobin

Two warm-blooded animals underwent surgery in the following places: a) in the first animal , in the ligation of the right bronchus and left pulmonary artery; b) in the second animal, in the ligation of the left bronchus and left pulmonary artery. Immediately after the operation, registration of the pneumogram began, but the first animal died very quickly, while the second animal didn’t . Questions: 1. Why did the first animal die? 2. Was there any Violation of any stages of breathing? 3. Describe and explain changes in external respiration in animals.

Ipatropium is effective for the treatment of asthma because of which of the following actions? A) Dilates the alveoli B) Relaxes the bronchial smooth muscle C) Inhibits the cuild up of fluid in the lungs D) Removes excess fluid collecting in the lungs

None

Which of the following would provide the greatest negative prognosis of a patient exposed to radiation?  A) patient is of advanced age greater than 60 B) history of an underlying cardiac medical condition C) patient was less than 5 ft from the source of alpha radiation D) signs of nausea, vomiting, & diarrhea within an hour of exposure.

Ch. 5: Acute Respiratory Failure (ARF) can arise from all of the following EXCEPT: a) spinal cord injury Ob) Acute Respiratory Distress Syndrome (ARDS) O c) COPD d) dehydration O e) asthma