The most important factor affecting airway resistance is A: air velocity B: airflow C: respiratory tract length D: caliber of respiratory tract

中国大学MOOC: Benign prostatic hypertrophy results in obstruction of the urinary tract. This specific condition is associated with enlargement of the

In order not to irritate the gastrointestinal tract, ferrous sulphate should be given:

The most common cause of urinary tract obstruction in elderly men is<br/>urinary tract obstruction ( ) A: Benign prostatic hyperplasia B: Urethral tumor C: Bladder tumor D: Foreign body in bladder

Oral furantoin can be used for the treatment of ( ). A: Intestinal infection B: Urinary tract infection, quickly eliminated from the body C: Urinary tract infection, slow elimination from the body D: Respiratory infection

Flatulence and eructation represent ________. A: regurgitation of chyme B: distention of the esophagus C: passage of gas or air from the GI tract D: muscular movement of the alimentary tract E: sounds heard only by abdominal auscultation

Which of the following would not be acted upon by pancreatic juice secreted into the intestinal tract:</p></p>

Escherichia coli , when found in conjunction with urethritis , often indicate infection higher in the uro-genital tract .

Scabies is transmitted through（ ） A: Respiratory tract B: Oral ingestion C: Placenta D: Contact

The internal capsule A: is a cavity of telencephalon B: the corticospinal tract passes through the anterior limb C: lies between the thalamus, caudate nucleus and the lentiform nucleus D: the optic radiation passes the anterior limb E: the corticonuclear tract passes through posterior limb