Blood usually accounts for about
a. 3% to 5% of body weight
b. 7% to 9% of body weight
c. 10% to 12% of body weight
d. 14% to 18% of body weight
b. 7% to 9% of body weight
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Jonathan received a strong blow to the eye. The eyeball remained intact but he suddenly could not see. This has likely caused
A) development of cataracts. B) a detached retina. C) development of glaucoma. D) astigmatism. E) myopia.
A pyometra is an accumulation of:
A) pus in the gastrointestinal tract B) fluid in the gastrointestinal tract C) pus in the thorax D) pus in the uterus E) fluid in the thorax
The ________ provides enzymes that allow the sperm to digest a pathway through the zona pellucida to the oocyte.
A. chorion B. acrosome C. blastocyst D. zygote
Upon getting his annual physical exam, a 55-year-old man is noted to have a body mass index of 33 (above 30 = obese) and high blood pressure
His blood chemistry indicates hyperlipidemia, hypertriglyceridemia, and hypercholesterolemia. Furthermore, his fasting blood glucose level is 120 mg/dL (elevated). His physician suspects type 2 diabetes and orders a glucose tolerance test. The patient drinks 75 g of glucose and then has his blood glucose measured at 2 hr. The 2-hr glucose level is 190 mg/dL (high end of glucose intolerance range; the diagnosis of diabetes is equal to or greater than 200 mg/dL). The most likely reason for this patient's glucose intolerance is: A. autoimmune destruction of the ? cells B. impairment of ATP-sensitive K+ channel C. insulin resistance D. low leptin levels E. impairment of GLUT2 function