XI1 - d. often leads to respiratory failure 2. obstructive...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
XI. Exercise and Altitude Effects A. Exercise Effects 1. hyperpnea - increase in DEPTH, not rate 2. steady state - increase in RATE and DEPTH gradually altered to MATCH gas exchange needs a. conscious awareness of exercise b. c. proprioceptors in muscles, tendons, joints B. Altitude Effects 1. acclimatization - physiological adaptation to lower Oxygen content at higher altitude a. body “set-points” for Oxygen and Carb Diox will reset over a period of time XII. COPD and Cancer A. Chronic Obstructive Pulmonary Disease (COPD) 1. Common features of COPD a. almost all have smoking history b. dyspnea - chronic "gasping" for air c. frequent coughing and infections
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: d. often leads to respiratory failure 2. obstructive emphysema - usually results from smoking a. enlargement & deterioration of alveoli b. loss of elasticity of the lungs c. "barrel chest" from bronchiole opening during inhalation & constriction during exhalation 3. chronic bronchitis - mucus/inflammation of mucosa B. Lung Cancer 1. squamous cell carcinoma (20-40%) - epithelium of the bronchi and bronchioles 2. adenocarcinoma ( 25-35 %) - cells of bronchiole glands and cells of the alveoli 3. small cell carcinoma (10-20%) - special lymphocyte-like cells of the bronchi 4. 90% of all lung cancers are in people who smoke or have smoked...
View Full Document

This note was uploaded on 01/29/2012 for the course SCIE SYG2000 taught by Professor Bernhardt during the Fall '10 term at Broward College.

Page1 / 2

XI1 - d. often leads to respiratory failure 2. obstructive...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online