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.
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
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
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