Human Anatomy and Physiology Practice Test 5

Increasing intracellular I- due to the action of NIS is an example of

A ventrolateral cordotomy is performed that produces relief of pain in the right leg. It is effective because it interrupts the

Starling's law of the heart

Which of the following is produced only by large amounts of glucocorticoids?

In an experiment, a scientist treats a group of mice with an antiserum that substantially depletes the number of circulating neutrophils. Compared with untreated control animals, the mice with reduced numbers of neutrophils were found to be significantly more susceptible to death induced by bacterial inoculation. The increased mortality can be ascribed to a relative deficit in which of the following?

The representational hemisphere is better than the categorical hemisphere at

The correct sequence of events involved in phototransduction in rods and cones in response to light is:

A decrease in which of the following would be expected in a child exhibiting a congenital absence of enterokinase?

A 20-year-old college student comes to the student health center in April complaining of runny nose and congestion, itchy eyes, and wheezing. She reports that similar symptoms have occurred at the same time each year, and that she obtains some relief from over-the-counter antihistamine drugs, although they make her too drowsy to study. Her symptoms can most likely be attributed to inappropriate synthesis of which of the following antibodies specific for tree pollen?

Which part of the ECG corresponds to ventricular repolarization?

The work performed by the left ventricle is substantially greater than that performed by the right ventricle, because in the left ventricle

Testosterone is produced

A young woman has puffy skin and a hoarse voice. Her plasma TSH concentration is low but increases markedly when she is given TRH. She probably has

Which of the following ionic changes is correctly matched with a component of the action potential?

In the utricle, tip links in hair cells are involved in

A 55-year-old woman had been receiving long-term treatment with phenelzine for her depression. After she consumed Chianti wine, aged cheddar cheese, processed meats, and dried fruits one night at a party, the following symptoms developed: a severe headache, chest pain, rapid heartbeat, enlarged pupils, increased sensitivity to light, and nausea. What is the most likely cause of these symptoms?

Currents caused by opening of which of the following channels contribute to the repolarization phase of the action potential of ventricular muscle fibers?

Which of the following are correctly paired?

A 62-year-old white woman experienced a rapid onset of blurry vision along with loss of central vision. A comprehensive eye exam showed that she had wet age-related macular degeneration. The fovea of the eye

Which of the following is not involved in regulating plasma Ca2+ levels?