The factors responsible for holding the lungs to the thorax wall are ________.
A) the smooth muscles of the lung
B) the diaphragm and the intercostal muscles alone
C) the visceral pleurae and the changing volume of the lungs
D) surface tension from pleural fluid and negative pressure in the pleural cavity
D) surface tension from pleural fluid and negative pressure in the pleural cavity
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The diabetic patient faced amputation of his toes due to long-delayed wound healing in his foot. Which characteristic of his diabetic condition caused his medical crisis?
A) Insulin reactions B) Increase in his blood flow C) High blood sugar D) Decrease in his white blood cell activity
Which of the following is a long drawn and deep inhalation followed by a complete closure of the rima glottidis, which results in a strong exhalation, pushing the rima glottidis open and sending a blast of air through the upper respiratory passages?
a) crying b) sneezing c) coughing d) sighing e) Valsalva maneuver
Which mechanism is important in the reabsorption of glucose and amino acids when their concentrations in the filtrate are relatively high?
A. pinocytosis B. active transport C. facilitated transport D. countertransport
The main force(s) opposing glomerular filtration is (are) __________.
a) blood colloid osmotic pressure and capsular hydrostatic pressure b) blood hydrostatic pressure c) blood hydrostatic pressure and capsular hydrostatic pressure d) capsular hydrostatic pressure