On day 1 of the menstrual cycle, FSH levels will be ________. The follicle that will become dominant is in the ________ stage of maturation. Progesterone levels in blood are ________.
A. rising; preantral to antral; low
B. rising; primordial; low
C. rising; preantral to antral; high
D. falling; expanding; low
E. falling; atretic; high
Answer: A
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The functional unit of the kidneys is the ____________________
Fill in the blank(s) with correct word
Which of the following statements about the Na+ and K+ gradients in neurons is NOT true?
a. In a resting neuron the electrical gradient for sodium is inward. b. In a resting neuron the electrical gradient for potassium is inward. c. In a resting neuron the concentration gradient for sodium is outward. d. In a resting neuron the concentration gradient for potassium is outward. e. In a resting neuron, the electrical and concentration gradients for sodium andpotassium result in a membrane potential.
Which of the following statements is a false or incorrect statement?
A) The amino acid pool is the body’s total supply of amino acids in the body’s proteins. B) Fats and carbohydrates are oxidized directly to produce cellular energy. C) Amino acids can be used to supply energy only after being converted to a carbohydrate intermediate. D) Excess carbohydrate and fat can be stored as such, whereas excess amino acids are oxidized for energy or converted to fat or glycogen for storage.
Which of the following is associated with veins but not arteries?
A. A tunica media with abundant smooth muscle B. Continuous endothelium C. A tunica media with abundant elastic fibers D. Valves E. Fenestrations