1. Fluids move through the kidney tubule in the following order: Bowman\'s capsu
ID: 90657 • Letter: 1
Question
1. Fluids move through the kidney tubule in the following order: Bowman's capsule, distal tubule, loop of Henle, proximal tubule, collecting duct.
A) true
B) false
2. In contrast to passive transport, active transport requires ATP.
A) true
B) false
3. Osmolarity of body fluids is important to regulate because the membranes of cells are impermeable to solutes and water.
A) true
B) false
4. The glomerulus of the mammalian kidney actively transports solutes and fluids into the Bowman's capsule of the nephron.
A) true
B) false
5. The length of the collecting duct is what permits animals to make a concentrated urine.
A) true
B) false
6. Urea is most costly to produce than uric acid, but it is a better way to get rid of nitrogenous waste for land animals.
A) true
B) false
7. The insect Malpighian tubule is functionally homologous to the mammalian glomerulus.
A) true
B) false
8. Freshwater fish and amphibians differ in that these fish face inward salt movement but amphibians face inward water movement.
A) true
B) false
9. When a cell is in osmotic equilibrium with the external fluid, there is no movement of water molecules.
A) true
B) false
10. Activation of neurons from the parasympathetic nervous system tends to promote functions associated with energy conservation (rest and digest).
A) true
B) false
11. An action potential arises when a neuron releases neurotransmitter into the synapse.
a) true
b) false
12. At rest, a neuron has a higher concentration of Na+ outside the cell, and a higher concentration of K+ inside the cell.
a) true
b) false
13. Depolarization of a neuron occurs when Na channels open and Na rushes out of the cell.
a) true
b) false
14. The four main elements of the central nervous system are the afferent division, the somatic system, the parasympathetic and sympathetic division.
a) true
b) false
15. Asexual reproduction is most important in environments where males are difficult to find.
a) true
b) false
16. In flies, both males and females have sperm storage organs.
17. Juvenile hormone and estradiol are the main two hormones that control insect growth and development, usually acting in reciprocal ways on processes and signaling pathways.
18. Once the follicle releases the ovum, its fate depends on whether the ovum is fertilized and implants in the uterine wall.
19. One advantage of sexual reproduction is the process of mitosis generates genetic variation through recombination.
20. Oviparous females make eggs, whereas viviparous females produce live young- they do not make eggs.
21. The hormones LH and FSH control reproduction in female mammals, but they have no role in male reproductive biology
a) true
b) false
22. The placenta is a tissue produced by the mother to help feed the growing embryo.
a) true
b) false
23. Vertebrates rely exclusively on sexual reproduction.
a) true
b) false
24. One trait that distinguishes mammals and reptiles is egg laying: Mammals do not lay eggs whereas reptiles lay eggs.
a) true
b) false
25. All sensory receptors are neurons but not all neurons are sensory receptors.
a) true
b) false
26. In the context of the auditory system, amplification is when structures in the ear take incoming sound waves and make them louder.
a) true
b) false
27. The signals detected by thermoreceptors, electromagnetic receptors, light and sound sensors each detect some form of radiation.
a) true
b) false
28. The archenteron develops into the lumen of the digestive tract
a) true
b) false
29. The extra-embryonic membranes are structures in embryonic development of birds and mammals, though they differ in how they are used.
a) true
b) false
30.The notochord of the embryo becomes the spinal cord of the adult.
a) true
b) false
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