Ventricular pressure is greater than aortic pressure during which phase of the cardiac cycle?
A. ventricular filling
B. isovolumetric contraction
C. isovolumetric relaxation
D. ventricular ejection
Answer: D. ventricular ejection
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Besides the supinator, which other muscle is a powerful supinator of the forearm?
A. Brachialis B. Triceps brachii C. Pronator quadratus D. Biceps brachii E. Pronator teres
Force feeding may be done using a __________________, ____________________ or ________________________
Fill in the blank(s) with correct word
Which extraembryonic membrane encloses the embryo and contains protective fluid that cushions the embryo (and fetus)?
A. Chorion B. Ectoderm C. Amnion D. Allantois E. Yolk sac
A patient with hypertension and poorly controlled diabetes complains of frequent urination. She does not take any medications yet for these conditions. What can explain her complaint?
A. Glomerular filtration rate decreases in response to excessive stretch of the glomerular capillaries in hypertension. B. Blood glucose increases the osmotic pressure in the tubules, causing increased urine production. C. Sympathetic stimulation increases when blood pressure increases, which causes dilation of the afferent arterioles. D. Renal autoregulation prevents blood glucose from entering the filtrate, but the pressure in the glomerulus increases filtrate production.