The inner cell mass of the blastocyst
A. consists of yolk-filled storage cells.
B. contains cells that will form the embryo.
C. represents the future placenta.
D. will form the zona pellucida.
E. contains cells that are discarded.
B
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In glomerulonephritis, proteins, and white blood cells enter the filtrate resulting in
A. increased reabsorption of water. B. increased reabsorption of Na+. C. decreased urine output. D. increased secretion of Na+. E. increased urine output.
Your family has a strong genetic predisposition to abnormal blood clotting and deep vein thrombosis. How does this affect or determine your chances of suffering from the same conditions?
A. You are guaranteed to experience blood clots and deep vein thrombosis, as the genes producing such conditions are definitely in your genome and will become active at some point. B. You have a higher risk of suffering from these conditions, but you can still take preventative steps to reduce the risk if you know about the genetic predisposition. You are not absolutely guaranteed to suffer deep vein thrombosis because environmental factors can be changed. C. You don't have to worry about these conditions because genetic predisposition doesn't at all affect your chances of developing these conditions if you exercise regularly and eat healthy foods. D. You must expect to die from such conditions if more than 4 or 5 of your relatives have also died from them, as medicine does not yet know how to stop genetic conditions from taking their course.
Which of the following is NOT a role of the basal nuclei?
A) playing a role in cognition and emotion B) controlling starting and stopping movements C) initiating protective reflex actions D) inhibiting unnecessary or antagonistic movements
Blood plasma is slightly _______; if pH drifts out of the normal range, dire consequences can result from alterations in the structure of _______
A. acidic, glucose B. acidic, proteins C. acidic, glycogen D. basic, glucose E. basic, proteins