Physiology Questions

Hormones secreted by the posterior pituitary gland are made in the ________.A. medulla oblongataB. cerebellumC. thalamusD. hypothalamusE. pancreas

In the human nephron, filtration occurs in the ______ which is located in the _______ of the kidney.A. proximal convoluted tubule; medullaB. Ascending loop of Henle; medullaC. Bowman's capsule; cortexD. collecting duct; cortexE. descending loop of Henle; cortex

Which of the following composes the largest volume of cellular elements in human blood?A. thrombocytesB. leukocytesC. erythrocytesD. plasmaE. none

A blood cell leaving your right pinky toe (after supplying the pinky with oxygen) will FIRST encounter which of the following:A. left ventricleB. pulmonary artery C. lung capillaryD. aortaE. pulmonary vein

In order to increase the efficiency of gas exchange, the gills of fish make use of:A. high surface areaB. dense capillary bedsC. countercurrent exchangeD. highly folded surface structuresE. all of the above

When the supply of calcium is high in the blood, the ___________ secretes _________ which acts in several ways to reduce the amount of calcium in the blood.A. thymus; adrenalineB. thyroid; calcitoninC. pancreas; glucagonD. pancreas; insulinE. parathyroid; PTH

Mammals use the _______ to enable more effiicient respiration using __________ pressure inhalation.A. Diaphragm; positiveB. Pleual cavity; positiveC. Buccal cavity; negativeD. Diaphragm; negative

Fight or flight reactions include activation of the _________.A. adrenal medulla, leading to increased secretion of epinephrineB. anterior pituitary gland, leading to cessation of gonadal functionC. D.

In the figure of a nephron, the tubule labeled A is _________ where considerable ______ is reabsorbed.-descending loop of Henle, water

Which of the following characteristics of a frog's heart/circulatory system is the SAME in humans?A. 2 ventriclesB. oxygenated and deoxygenated blood can mixC. incomplete division of the ventricleD. 2 atria

Plasma insulin ________ during exercise

_________ work together during exercise to maintain blood glucose homeostasis

FFA mobilization ___ during heavy exercise

what is the conductor of the endocrine system?

changes in what cna change the hormone concentration?

greater exercise intensity leads to __ in plasma epinephrine

epinephrine and norepinephrine are responsible for what?

collectively hormones work to break down fatty acids for fuel except for what?

at rest, neurons have a charge of ____

neurons communicate across synapses using _________