We're unable to sign you in at this time. Please try again in a few minutes.
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
Article |


JAMA. 1954;155(17):1519-1520. doi:10.1001/jama.1954.03690350061022.
Text Size: A A A
Published online


Muscular Exertion and Eosinophils.  —Dr. Manuel Hernandez has investigated the effect of muscular exertion on circulating eosinophils at the Phisiologic Pathology Laboratories of the School of Medicine in Lima (Revista médica peruana, January, 1954). By determining the hypophysoadrenal reserve after muscular exertion, he hopes to contribute to the understanding of adrenal function. The work was done at an altitude of 150 m. above sea level. Sixteen clinically normal medical students were exercised on an empty stomach for 20 minutes on a treadmill revolving at 8.08 km. per hour. Differential leukocyte counts were made before and after the test and after recovery. Immediately after the test, an acute rise of leukocytes, including eosinophils, was observed. The average increase of the latter was 50%. After the subjects had rested 60 minutes, a striking fall in the number of these same cells was observed. Serial counts were made for four hours. The lowest


Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?

First Page Preview

View Large
First page PDF preview




Also Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
Please click the checkbox indicating that you have read the full article in order to submit your answers.
Your answers have been saved for later.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.


Some tools below are only available to our subscribers or users with an online account.

0 Citations

Sign in

Purchase Options

• Buy this article
• Subscribe to the journal
• Rent this article ?

Related Content

Customize your page view by dragging & repositioning the boxes below.